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澤漆化學(xué)成分研究

2021-04-18 01:31:01查顯進(jìn)張普照劉榮華饒倩如
中草藥 2021年2期

查顯進(jìn),石 強(qiáng),邵 峰*,張普照,劉榮華,楊 明,饒倩如

澤漆化學(xué)成分研究

查顯進(jìn)1,石 強(qiáng)2,邵 峰1*,張普照1,劉榮華1,楊 明1,饒倩如1

1. 江西中醫(yī)藥大學(xué) 現(xiàn)代中藥制劑教育部重點(diǎn)實(shí)驗(yàn)室,江西 南昌 330004 2. 江西中醫(yī)藥大學(xué),岐黃國(guó)醫(yī)書院,江西 南昌 330004

研究澤漆的化學(xué)成分。采用硅膠柱色譜、Sephadex LH-20柱色譜及制備液相色譜等方法進(jìn)行分離純化,并經(jīng)理化性質(zhì)與光譜數(shù)據(jù)鑒定化合物結(jié)構(gòu)。從澤漆70%乙醇提取物中分離得到23個(gè)化合物,依次鑒定為β-谷甾醇(1)、euphoscopin B(2)、對(duì)羥基苯乙酮(3)、euphoscopin F(4)、euphoscopin C(5)、nepehinol(6)、4-羥基-3,5-二甲氧基苯甲醛(7)、antiquorin(8)、1-吲哚-3-甲醛(9)、7-羥基-6-甲氧基香豆素(10)、澤漆內(nèi)酯A(11)、euphoheliosnoid A(12)、松脂素(13)、(+)-去氫催吐蘿芙木醇(14)、loliolide(15)、1-(4-羥基-3-甲氧基苯基)-3-羥基丙-1-酮(16)、3-羥基乙酰吲哚(17)、橙皮酰胺(18)、rayalinol(19)、3--β--吡喃葡萄糖基澤漆內(nèi)酯A(20)、柚皮素(21)、4′,5,7-三羥基異黃酮(22)、槲皮素(23)。化合物10、17、19、20、22為首次從大戟屬植物中分離得到,化合物3、7~9、14~16、18為首次從該植物中分離得到。

大戟屬;澤漆;7-羥基-6-甲氧基香豆素;3-羥基乙酰吲哚;rayalinol;3--β--吡喃葡萄糖基澤漆內(nèi)酯A;4′,5,7-三羥基異黃酮

澤漆L.為大戟科(Euphorbiaceae)大戟屬Linn. 植物,民間稱為貓眼草、五鳳靈芝、五朵云等,其干燥全草可入藥[1]。中藥澤漆味辛、苦,性微寒,具有利水消腫、消痰退熱、散結(jié)殺蟲之功效,臨床常用于治療腹水、水腫、肺結(jié)核、頸淋巴結(jié)核、痰多喘咳及癬瘡等疾病[2]。迄今為止,已從澤漆中發(fā)現(xiàn)具有萜類、黃酮類及多酚類等結(jié)構(gòu)特征的150余個(gè)化學(xué)成分。其中,有研究表明假白欖酮型二萜酯類化合物有可能成為抗腫瘤藥物的先導(dǎo)化合物[3],黃酮類成分如heliosin具有止咳作用[4]。為進(jìn)一步發(fā)掘澤漆植物化學(xué)資源,本實(shí)驗(yàn)從澤漆中分離鑒定了23個(gè)化學(xué)成分,其中,萜類7個(gè)、生物堿類4個(gè)、黃酮類3個(gè)、其他類9個(gè),分別為β-谷甾醇(β-sitosterol,1)、euphoscopin B(2)、對(duì)羥基苯乙酮(4- hydroxyacetophenone,3)、euphoscopin F(4)、euphoscopin C(5)、nepehinol(6)、4-羥基-3,5-二甲氧基苯甲醛(4-hydroxy-3,5-dimethoxy- benzaldehyde,7)、antiquorin(8)、1-吲哚-3-甲醛(1-indole-3-carboxaldehyde,9)、7-羥基-6-甲氧基香豆素(7-hydroxy-6-methoxycoumarin,10)、澤漆內(nèi)酯 A(helioscopinolide A,11)、euphoheliosnoid A(12)、松脂素(pinoresinol,13)、(+)-去氫催吐蘿芙木醇 [(+)-dehydrovomifoliol,14]、loliolide(15)、1-(4-羥基-3-甲氧基苯基)-3-羥基丙-1-酮 [1-(4- hydroxy-3-methoxy-phenyl)-3-hydroxypropan-1-one,16]、3-羥基乙酰吲哚 [3-(hydroxyacetyl)indole,17]、橙皮酰胺(aurantiamide,18)、rayalinol(19)、3--β--吡喃葡萄糖基澤漆內(nèi)酯A(3--β-- glucopyranosylhelioscopinolide A,20)、柚皮素(naringenin,21)、4′,5,7-三羥基異黃酮(4′,5,7- trihydroxyisoflavones,22)、槲皮素(quercetin,23)。化合物10、17、19、20、22為首次從該屬植物中分離得到,化合物3、7~9、14~16、18為首次從該植物中分離得到。

1 儀器與材料

Bruker Avance III HD 600 MHz型核磁共振波譜儀(瑞士Bruker科技有限公司),LC-3000型制備高效液相色譜儀(北京創(chuàng)新通恒科技有限公司),Agilent1260型高效液相色譜儀(美國(guó)Agilent公司),Sartorius BSA124S型萬(wàn)分之一電子天平(Sartorius(上海)貿(mào)易有限公司),薄層色譜硅膠板GF254、柱色譜硅膠100~200、200~300目(均購(gòu)于青島海洋化工有限公司),Sephadex LH-20(美國(guó)GE Healthcare公司),石油醚、二氯甲烷、醋酸乙酯、丙酮、甲醇(均為分析級(jí),購(gòu)于西隴化工股份有限公司),甲醇(色譜級(jí),Dikma Technologies. Inc.,),雙蒸水為實(shí)驗(yàn)室自制。

澤漆于2016年11月購(gòu)自浙江麗水,經(jīng)江西中醫(yī)藥大學(xué)石強(qiáng)副教授鑒定為大戟科大戟屬草本植物澤漆L. 的干燥地上部分,憑證標(biāo)本(20140523)存于江西中醫(yī)藥大學(xué)現(xiàn)代中藥制劑教育部重點(diǎn)實(shí)驗(yàn)室標(biāo)本室。

2 提取與分離

取干燥澤漆藥材50.0 kg,加8倍量70%乙醇回流提取3次,每次2 h,濾過(guò),合并濾液,減壓回收溶劑,濃縮至無(wú)醇味,得浸膏3.9 kg。再加入適量水,制成混懸液,依次用石油醚、二氯甲烷、醋酸乙酯萃取,回收溶劑,得到石油醚萃取部位1.6 kg、二氯甲烷萃取部位992.3 g、醋酸乙酯萃取部位415.0 g。

石油醚萃取部位(1.56 kg)經(jīng)硅膠柱色譜(100~200目),石油醚-醋酸乙酯(200∶1→1∶20)梯度洗脫,得到12個(gè)流分Fr. A~L。Fr. D(33.0 g)經(jīng)硅膠柱色譜(200~300目),石油醚-丙酮(30∶1)等度洗脫,得5個(gè)流分Fr. D.1~D.5。Fr. D.1(5.94 g)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(50∶1→30∶1)梯度洗脫,得6個(gè)流分Fr. D.1.A~D.1.F。Fr. D.1.E(2.07 g)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(30∶1→20∶1)梯度洗脫,得化合物1(17. 2 mg)和2(39.2 mg)。

二氯甲烷萃取部位(992.3 g)經(jīng)硅膠柱色譜(100~200目),石油醚-醋酸乙酯(100∶1→1∶50)梯度洗脫得23個(gè)流分Fr. A~W。Fr. M(8.0 g)經(jīng)硅膠柱色譜(100~200目),石油醚-醋酸乙酯(20∶1→1∶2)梯度洗脫得5個(gè)流分Fr. M.1~M.5。Fr. M.3(862.0 mg)經(jīng)硅膠柱色譜(200~300目,石油醚-醋酸乙酯30∶1→5∶1)梯度洗脫,得流分Fr. M.3(13-19)(25.0 mg)。Fr. M.3(13-19)經(jīng)高效液相[甲醇-水(18∶82)]等度洗脫得化合物3(2.0 mg,R=19.4 min)。Fr. M.3(28-36)經(jīng)高效液相[甲醇-水(72∶28)]等度洗脫得化合物4(2.0 mg,R=20.9 min)和5(3.0 mg,R=41.3 min)。Fr. O(31.5 g)經(jīng)硅膠柱色譜(100~200目),二氯甲烷-甲醇(200∶1→5∶1)梯度洗脫得10個(gè)流分Fr. O.1~O.10。Fr. O.1(190.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜[二氯甲烷-甲醇(1∶1)]得化合物6(5.0 mg)。Fr. O.2(244.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜[二氯甲烷-甲醇(1∶1)]得化合物7(5.0 mg)。Fr. O.3(8.3 g)經(jīng)硅膠柱色譜(200~300目),石油醚-二氯甲烷(1∶150)等度洗脫,得3個(gè)流分Fr. O.3.A~O.3.C。Fr. O.3.A(3.9 g)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(6∶1)等度洗脫得5個(gè)流分Fr. O.3.A.1~O.3.A.5。Fr. O.3.A.2(274.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜[二氯甲烷-甲醇(1∶1)]得化合物8(5.0 mg)。Fr. O.3.A.3(303.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜,二氯甲烷-甲醇(1∶1)等度洗脫得化合物9(3.0 mg)。Fr. O.3.A.4(276.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜,二氯甲烷-甲醇(1∶1)等度洗脫得化合物10(7.0 mg)。Fr. O.3.C(1.4 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(300∶1→50∶1)梯度洗脫得4個(gè)流分Fr. O.3.C.1~O.3.C.4。Fr. O.3.C.2(950.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜,二氯甲烷-甲醇(1∶1)等度洗脫得2個(gè)流分Fr. O.3.C.2.A~O.3.C.2.B。Fr. O.3.C.2.B(509.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜[二氯甲烷-甲醇(1∶1)]等度洗脫得化合物11(20.0 mg)。Fr. P(22.5 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(100∶0→25∶1)梯度洗脫得3個(gè)流分Fr. P.1~P.3。Fr. P.1(3.9 g)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(6∶1→2∶1)梯度洗脫得8個(gè)流分Fr. P.1.A~P.1.H。Fr. P.1.D(1.4 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(100∶0→25∶1)梯度洗脫得5個(gè)流分Fr. P.1.D.1~P.1.D.5。Fr. P.1.D.4(404.0 mg)經(jīng)Sephadex LH-20凝膠柱色譜[二氯甲烷-甲醇(1∶1)]等度洗脫得到化合物12(5.0 mg)和13(5.0 mg)。Fr. P.2(2.1 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(100∶0→25∶1)梯度洗脫得到6個(gè)流分Fr. P.2.A~P.2.F。Fr. P.2.B(871.3 mg)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(16∶1→1∶1)梯度洗脫得到4個(gè)流分Fr. P.2.B.1~P.2.B.4。Fr. P.2.B.2(181.2 mg)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(15∶1)等度洗脫得2個(gè)流分 Fr. P.2.B.2.A~P.2.B.2.B。Fr. P.2.B.2.A(144.6 mg)經(jīng)高效液相色譜,甲醇-水(20∶80、27∶73)分別等度洗脫得化合物14(8.7 mg,R=38.9 min)和化合物15(39.5 mg,R=48.5 min)。Fr. P.2.B.3(148.2 mg)經(jīng)Sephadex LH-20凝膠柱色譜[二氯甲烷-甲醇(1∶1)]等度洗脫得化合物16(15.0 mg)和17(2.9 mg)。Fr. Q(7.2 g)經(jīng)硅膠柱色譜(100~200目),二氯甲烷-甲醇(200∶1→0∶100)梯度洗脫得6個(gè)流分Fr. Q.1~Q.6。Fr. Q.3(1.48 g)經(jīng)硅膠柱色譜(200~300目),石油醚-醋酸乙酯(6∶1→1∶1)梯度洗脫得到流分Fr. Q.3.A~Q.3.D。Fr. Q.3.C經(jīng)高效液相色譜,甲醇-水(50∶50)等度洗脫,得到化合物18(6.1 mg,R=86.1 min)。Fr. U(20.2 g)經(jīng)Sephadex LH-20凝膠柱色譜,二氯甲烷-甲醇(1∶1)等度洗脫,得到6個(gè)流分Fr. U.1~U.6。Fr. U.1(8.7 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(50∶1→2∶1)梯度洗脫,得到流分Fr.U.1(21)(30.0 mg)。Fr. U.1(21)經(jīng)高效液相色譜,甲醇-水(45∶55)等度洗脫得到化合物19(2.0 mg,R=38.1 min)。Fr. U.2(4.1 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(50∶1→2∶1)梯度洗脫得到5個(gè)流分Fr. U.2.A~U.2.E。Fr. U.2.C(1.3 g)經(jīng)硅膠柱色譜(200~300目),二氯甲烷-甲醇(100∶1→5∶1)梯度洗脫得到流分Fr. U.2.C(29-31)(40.0 mg)。Fr. U.2.C(29-31)經(jīng)高效液相色譜,甲醇-水(48∶52)等度洗脫得到化合物20(4.6 mg,R=56.1 min)。

醋酸乙酯萃取部位(415.0 g)經(jīng)硅膠柱色譜(100~200目),二氯甲烷-甲醇(100∶0→1∶1)梯度洗脫,得8個(gè)流分Fr. A~H。Fr. E(25.0 g)經(jīng)硅膠柱色譜(100~200目),石油醚-醋酸乙酯(10∶1→1∶20)梯度洗脫得9個(gè)流分Fr. E.1~E.9。Fr. E.7(2.79 g)經(jīng)硅膠柱色譜(200~300目),石油醚-丙酮(10∶1→1∶2)梯度洗脫得到3個(gè)流分Fr. E.7.A~E.7.C。Fr. E.7.C(236.8 mg)經(jīng)高效液相色譜,甲醇-水(42∶58)等度洗脫得化合物21(2.0 mg,R=37.9 min)和22(2.0 mg,R=39.2 min)。Fr. F(6.4 g)經(jīng)Sephadex LH-20凝膠柱色譜,二氯甲烷-甲醇(1∶1)等度洗脫得到化合物23(40.0 mg)。

3 結(jié)構(gòu)鑒定

化合物1:白色粉末,分子式C29H50O;1H-NMR (600 MHz, CDCl3): 5.39~5.36 (1H, m, H-6), 3.60~3.49 (1H, m, H-3), 1.03 (3H, s, CH3-19), 0.94 (3H, d,= 6.5 Hz, CH3-21), 0.87 (3H, d,= 7.4 Hz, CH3-26), 0.86~0.85 (3H, m, CH3-29), 0.84 (3H, d,= 6.8 Hz, CH3-27), 0.70 (3H, s, CH3-18);13C-NMR (150 MHz, CDCl3): 140.8 (C-5), 121.7 (C-6), 71.8 (C-3), 56.8 (C-14), 56.1 (C-17), 50.1 (C-9), 45.8 (C-24), 42.3 (C-4), 42.3 (C-13), 39.8 (C-12), 37.3 (C-1), 36.5 (C-10), 36.2 (C-20), 34.0 (C-22), 31.9 (C-7), 31.9 (C-8), 31.7 (C-2), 29.2 (C-25), 28.3 (C-16), 26.1 (C-23), 24.3 (C-15), 23.1 (C-28), 21.1 (C-11), 19.8 (C-26), 19.4 (C-19), 19.0 (C-27), 18.8 (C-21), 12.0 (C-29), 11.9 (C-18)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[5],故鑒定化合物為β-谷甾醇。

化合物2:白色粉末,易溶于氯仿,分子式C33H42O6;1H-NMR (600 MHz, CDCl3): 7.99 (2H, brd,= 7.0 Hz, H-3′, 7′), 7.53 (1H, t,= 7.4 Hz, H-5′), 7.43 (2H, t,= 7.8 Hz, H-4′,6′), 5.92 (1H, brs, H-14), 5.66 (1H, dd,= 1.5, 8.6 Hz, H-5), 5.38 (1H, dd,= 11.5, 4.5 Hz, H-7), 5.35 (1H, d,= 16.0 Hz, H-11), 5.19 (1H, dd,= 7.4, 3.0 Hz, H-3), 5.16 (1H, dd,= 15.2, 8.0 Hz, H-12), 3.25 (1H, dd,= 8.3, 7.7 Hz, H-4), 3.14 (1H, dd,= 15.8, 11.5 Hz, H-8), 2.97 (1H, dd,= 15.2, 8.0 Hz, H-1), 2.67 (1H, dd,= 15.8, 4.5 Hz, H-8), 2.47~2.41 (1H, m, H-2), 2.22 (3H, s, 15-OCOCH3), 2.19~2.15 (1H, m, H-13), 2.15 (3H, s, 14-OCOCH3), 1.86 (3H, d,= 1.5 Hz, H-17), 1.43 (1H, dd,= 15.2, 9.2 Hz, H-1), 1.26 (3H, s, 7-OCOCH3), 1.23 (3H, s, H-19), 1.09 (3H, s, H-18), 1.09 (3H, d,= 5.0 Hz, H-20), 0.91 (3H, d,= 7.1 Hz, H-16);13C-NMR (150 MHz, CDCl3): 207.5 (C-9), 170.3 (14-OCOCH3), 170.1 (15-OCOCH3), 170.0 (7-OCOCH3), 165.4 (C-1′), 135.8 (C-6), 133.7 (C-11), 133.6 (C-12), 132.8 (C-5′), 130.7 (C-2′), 129.5 (C-3′,7′), 128.3 (C-4′, 6′), 122.6 (C-5), 92.3 (C-15), 83.3 (C-3), 75.3 (C-14), 73.4 (C-7), 49.0 (C-10), 44.2 (C-4), 43.1 (C-1), 42.9 (C-8), 37.7 (C-2), 37.7 (C-13), 25.3 (C-18), 24.9 (C-19), 23.0 (15-OCOCH3), 22.1 (14-OCOCH3), 21.0 (7-OCOCH3), 20.1 (C-20), 18.9 (C-16), 18.9 (C-17)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[6],鑒定化合物2為euphoscopin B。

化合物3:淡黃色粉末,易溶于氯仿,分子式C8H8O2;1H-NMR (600 MHz, CDCl3): 9.84 (1H, s, 1-OH), 7.78 (2H, d,= 8.5 Hz, H-3, 5), 6.92 (2H, d,= 8.5 Hz, H-2, 6), 1.22 (3H, s, H-8);13C-NMR (150 MHz, CDCl3): 191.1 (CO), 160.8 (C-1), 132.2 (C-3, 5), 130.2 (C-4), 116.3 (C-2, 6), 29.4 (C-8)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道對(duì)照基本一致[7],故鑒定化合物3為對(duì)羥基苯乙酮。

化合物4:白色粉末,易溶于氯仿,分子式C31H38O6;1H-NMR (600 MHz, CDCl3): 8.04 (2H, dd,= 7.8, 1.2 Hz, H-2′, 6′), 7.54 (1H, dd,= 7.8, 1.2 Hz, H-4′), 7.46 (2H, t,= 7.8 Hz, H-3′, 5′), 5.70 (1H, dd,= 9.1, 1.5 Hz, H-5), 5.53 (1H, d,= 15.5 Hz, H-11), 5.26 (1H, dd,= 11.3, 4.8 Hz, H-7), 5.18 (1H, dd,= 6.7, 2.4 Hz, H-3), 5.03 (1H, dd,= 15.5, 9.4 Hz, H-12), 3.44 (1H, dd,= 9.4, 6.7 Hz, H-4), 3.09 (1H, dd,= 11.0, 7.8 Hz, H-8), 3.07 (1H, m, H-1), 2.69 (1H, dd,= 14.9, 4.8 Hz, H-8), 2.66 (1H, m, H-13), 2.35 (3H, s, 15-OCOCH3), 2.26 (1H, m, H-2), 2.24 (1H, m, H-1), 1.67 (3H, d,= 1.4 Hz, H-17), 1.29 (3H, s, 7-OCOCH3), 1.22 (3H, d,= 3.2 Hz, H-20), 1.21 (3H, s, H-19), 1.14 (3H, d,= 6.6 Hz, H-16), 1.10 (3H, s, H-18);13C-NMR (150 MHz, CDCl3): 211.6 (C-14), 206.6 (C-9), 170.8 (15-OCOCH3), 169.8 (7-OCOCH3), 165.2 (C-7′), 139.9 (C-6), 136.4 (C-11), 133.0 (C-4′), 132.3 (C-12), 130.5 (C-1′), 129.5 (C-2′, 6′), 128.4 (C-3′, 5′), 119.3 (C-5), 95.9 (C-15), 83.4 (C-3), 73.2 (C-7), 51.4 (C-13), 49.3 (C-10), 45.5 (C-4), 43.6 (C-1), 42.5 (C-8), 39.2 (C-2), 25.1 (C-18), 22.0 (C-20), 21.9 (15-OCOCH3), 20.1 (C-19), 19.0 (7-OCOCH3), 18.9 (C-16), 18.7 (C-17)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[6],故鑒定化合物4為euphoscopin F。

化合物5:白色粉末,易溶于氯仿,分子式C38H44O9;1H-NMR (600 MHz, CDCl3): 7.85 (2H, d,= 7.1 Hz, H-2′′, 6′′), 7.56 (2H, d,= 8.0 Hz, H-2′, 6′), 7.46 (1H, t,= 7.4 Hz, H-4′′), 7.31 (1H, m, H-4′), 7.28 (2H, t,= 7.7 Hz, H-3′′, 5′′), 6.96 (2H, t,= 7.8 Hz, H-3′, 5′), 5.94 (1H, d,= 0.7 Hz, H-14), 5.86 (1H, d,= 9.8 Hz, H-5), 5.70 (1H, dd,= 11.4, 4.2 Hz, H-3), 5.39 (1H, d,= 16.0 Hz, H-11), 5.21 (1H, dd,= 16.0, 9.0 Hz, H-7), 5.13 (1H, dd,= 6.5, 2.2 Hz, H-12), 3.32 (1H, dd,= 10.9, 6.4 Hz, H-4), 3.29 (1H, dd,= 10.5, 4.6 Hz, H-8a), 2.99 (1H, dd,= 15.5, 8.4 Hz, H-8b), 2.85 (1H, dd,= 15.7, 4.2 Hz, H-1a), 2.45 (1H, m, H-13), 2.20 (3H, s, 15-OCOCH3), 2.17 (3H, s, 14-OCOCH3), 2.13 (1H, m, H-1b), 1.95 (3H, s, H-17), 1.49 (1H, m, H-2), 1.30 (3H, s, H-19), 1.13 (3H, s, H-18), 1.09 (3H, d,= 7.2 Hz, H-20), 0.93 (3H, d,= 7.1 Hz, H-16);13C-NMR (150 MHz, CDCl3): 207.6 (C-9), 170.1 (15-OCOCH3), 170.0 (14-OCOCH3), 165.9 (C-7′′), 165.4 (C-7′), 135.5 (C-6), 133.7 (C-11), 133.6 (C-4′), 132.7 (C-4′′), 132.4 (C-12), 130.4 (C-1′), 129.9 (C-1′′), 129.3 (C-2′, 6′), 129.2 (C-2′′, 6′′), 128.2 (C-3′, 5′), 128.0 (C-3′′, 5′′), 122.7 (C-5), 92.4 (C-15), 84.3 (C-3), 75.6 (C-14), 74.2 (C-7), 49.1 (C-10), 44.0 (C-4), 43.6 (C-1), 42.8 (C-8), 38.0 (C-2), 37.8 (C-13), 25.5 (C-19), 24.9 (C-18), 22.9 (C-20), 22.1 (15-OCOCH3), 21.1 (14-OCOCH3), 19.3 (C-16), 18.9 (C-17)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[8],故鑒定化合物5為euphoscopin C。

化合物6:白色粉末,易溶于氯仿,分子式C30H50O;1H-NMR (600 MHz, CDCl3): 4.71 (1H, brs, H-29a), 4.63 (1H, brs, H-29b), 3.19 (1H, dd,= 11.5, 4.7 Hz, H-3), 2.54 (1H, ddd,= 15.6, 9.3, 5.5 Hz, H-19), 1.68 (3H, s, H-30), 1.05(3H, s, H-26), 0.97 (3H, s, H-27), 0.91 (3H, s, H-23), 0.91 (3H, s, H-28), 0.84 (3H, s, H-25), 0.77 (3H, s, H-24);13C-NMR (150 MHz, CDCl3): 150.6 (C-20), 108.9 (C-29), 79.0 (C-3), 55.4 (C-5), 50.6 (C-9), 50.6 (C-18), 44.8 (C-19), 43.1 (C-17), 41.8 (C-14), 41.4 (C-22), 41.0 (C-8), 38.8 (C-4), 37.2 (C-10), 36.9 (C-1), 34.8 (C-13), 34.2 (C-7), 30.6 (C-16), 29.7 (C-21), 28.0 (C-23), 27.6 (C-2), 27.4 (C-15), 25.2 (C-12), 25.1 (C-28), 20.9 (C-11), 20.6 (C-30), 18.4 (C-6), 16.1 (C-25), 16.0 (C-26), 15.4 (C-24), 14.4 (C-27)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[9],故鑒定化合物6為nepehinol。

化合物7:淡黃色粉末,易溶于氯仿,分子式C9H10O4;1H-NMR (600 MHz, CDCl3): 9.82 (1H, s, H-7), 7.15 (2H, s, H-2, 6), 3.97 (6H, s, 2×OCH3);13C-NMR (150 MHz, CDCl3): 190.8 (C=O, C-7), 147.4×2 (C-3, 5), 140.8 (C-4), 128.4 (C-1), 106.7 (C-2, 6), 56.5 (2×OCH3)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[10],故鑒定化合物7為4-羥基-3,5-二甲氧基苯甲醛。

化合物8:淡黃色粉末,易溶于氯仿,分子式C20H28O3;1H-NMR (600 MHz, CDCl3): 5.04 (1H, brs, H-17), 4.89 (1H, brs, H-17′), 3.90 (1H, d,= 3.0 Hz, H-13), 2.84 (1H, dt,= 3.8, 2.8 Hz, H-12), 2.57(1H, ddd,= 15.9, 13.2, 6.4 Hz, H-2), 2.44 (1H, dt,= 13.6, 3.4 Hz, H-7), 2.39~2.35 (1H, m, H-2′), 2.37~2.34 (1H, m, H-15), 2.04 (1H, ddd,= 14.1, 11.6, 3.8 Hz, H-11), 1.89 (1H, ddd,= 13.4, 6.5, 3.2 Hz, H-1), 1.78 (1H, ddd,= 14.1, 6.2, 2.5 Hz, H-11′), 1.68 (1H, dd,= 11.5, 6.2 Hz, H-9), 1.55~1.50 ( 2H, m, H-2~6), 1.42(1H, dt,= 13.3, 5.5 Hz, H′-1), 1.35~1.26 (2H, m, H-5, 15′), 1.11 (3H, s, CH3-4α), 1.03 (3H, s, CH3-4β), 0.99~0.95 (1H, m, H-7′), 0.87 (3H, s, CH3-10);13C-NMR (150 MHz, CDCl3): 218.0 (C-14), 216.1 (C-3), 142.2 (C-16), 111.1 (C-17), 75.1 (C-13), 55.2 (C-5), 51.1 (C-9), 47.5 (C-8), 47.3 (C-4), 44.8 (C-12), 43.7 (C-15), 37.6 (C-10), 36.7 (C-1), 34.1 (C-2), 30.4 (C-7), 26.2 (CH3-4α), 25.3 (C-11), 21.9 (CH3-4β), 20.0 (C-6), 13.7 (CH3-10)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[11],故鑒定化合物8為古柯堿。

化合物9:白色粉末,分子式C9H7NO;1H-NMR (600 MHz, CD3OD): 9.86 (1H, s, 3-CHO), 8.14 (1H, d,= 7.7 Hz, H-4), 8.07 (1H, s, H-2), 7.45 (1H, d,= 8.0 Hz, H-7), 7.25 (1H, t,= 7.5 Hz, H-5), 7.21 (1H, t,= 7.5 Hz, H-6);13C-NMR (150 MHz, CD3OD): 186.0 (3-CHO), 138.3 (C-7a), 137.5 (C-2), 124.3 (C-3a), 123.6 (C-6), 122.2 (C-5), 121.0 (C-4), 118.7 (C-3), 111.7 (C-7)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[12],故鑒定化合物9為1-吲哚-3-甲醛。

化合物10:白色粉末,易溶于氯仿,分子式C10H8O4;1H-NMR (600 MHz, CDCl3): 7.62 (1H, d,= 9.6 Hz, H-4), 6.94 (1H, s, H-5), 6.87 (1H, s, H-8), 6.29 (1H, d,= 9.4 Hz, H-3), 6.19 (1H, s, OH), 3.98 (3H, s, OCH3);13C-NMR (150 MHz, CDCl3): 161.6 (C-2), 150.4 (C-7), 149.8 (C-9), 144.1 (C-6), 143.4 (C-4), 113.6 (C-10), 111.6 (C-5), 107.6 (C-3), 103.3 (C-8), 56.6 (OCH3)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[13],故鑒定化合物10為7-羥基-6-甲氧基香豆素。

化合物11:白色粉末, 易溶于氯仿,分子式C20H28O3;1H-NMR (600 MHz, CDCl3): 6.29 (1H, s, H-14), 4.87 (1H, dd,= 13.4, 6.2 Hz, H-12), 3.29 (1H, dd,= 8.0, 3.7 Hz, H-3), 2.59~2.54 (1H, m, H-11eq), 2.54~2.50 (1H, m, H-7eq), 2.25~2.19 (1H, m, H-7ax), 2.20~2.14 (1H, m, H-9), 2.00~1.94 (1H, m, H-1eq), 1.90~1.85 (1H, m, H-6eq), 1.84 (3H, s, H-20), 1.80~1.74 (1H, m, H-2eq), 1.68~1.61 (1H, m, H-2ax), 1.56~1.49 (1H, m, H-11ax), 1.49~1.42 (1H, m, H-6ax), 1.30~1.23 (1H, m, H-1ax), 1.20~1.14 (1H, m, H-5), 1.05 (3H, s, H-17), 0.94 ( 3H, s, H-19), 0.84 (3H, s, H-18);13C-NMR (150 MHz, CDCl3): 175.3 (C-16), 156.0 (C-13), 151.4 (C-8), 116.6 (C-15), 114.2 (C-14), 78.6 (C-3), 75.9 (C-12), 54.4 (C-5), 51.6 (C-9), 41.2 (C-10), 39.1 (C-4), 37.4 (C-1), 37.0 (C-7), 28.7 (C-17), 27.6 (C-2), 27.6 (C-11), 23.5 (C-6), 16.7 (C-19), 15.6 (C-18), 8.3 (C-20)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[14],故鑒定化合物11為澤漆內(nèi)酯A。

化合物12:白色粉末,易溶于氯仿,分子式C37H43NO9;1H-NMR (600 MHz, CDCl3): 8.86 (1H, d,= 1.6 Hz, H-3′′), 8.55 (1H, dd,= 4.8, 1.6 Hz, H-5′′), 7.75 (2H, d,= 7.0 Hz, H-3′, 7′), 7.73 (1H, m, H-7′′), 7.40 (1H, t,= 7.4 Hz, H-5′), 7.22 (2H, t,= 7.8 Hz, H-4′, 6′), 6.90 (1H, dd,= 7.9, 4.8 Hz, H-6′′), 5.97 (1H, s, H-14), 5.82 (1H, dd,= 8.7, 1.4 Hz, H-5), 5.65 (1H, dd,= 11.5, 4.4 Hz, H-7), 5.42 (1H, d,= 16.0 Hz, H-11), 5.23 (1H, dd,= 16.0, 8.9 Hz, H-12), 5.16 (1H, dd,= 6.7, 2.6 Hz, H-3), 3.37 (1H, dd,= 15.6, 11.5 Hz, H-8α), 3.32 (1H, dd,= 8.6, 6.9 Hz, H-4), 2.99 (1H, dd,= 15.5, 8.3 Hz, H-1α), 2.85 (1H, dd,= 15.6, 4.3 Hz, H-8β), 2.46 (1H, m, H-13), 2.23 (3H, s, H-15-OCOCH3), 2.19 (3H, s, 14-OCOCH3), 2.14 (1H, m, H-2), 2.00 (3H, d,= 1.3 Hz, H-17), 1.50 (1H, dd,= 15.5, 8.0 Hz, H-1β), 1.33 (3H, s, H-19), 1.15 (3H, s, H-18), 1.08 (3H, d,= 7.2 Hz, H-16), 0.95 (3H, d,= 7.1 Hz, H-20);13C-NMR (150 MHz, CDCl3): 207.5 (C-9), 170.1 (14-OCOCH3), 170.1 (15-OCOCH3), 165.4 (C-1′), 164.4 (C-1′′), 152.9 (C-5′′), 150.6 (C-3′′), 136.6 (C-7′′), 136.0 (C-6), 133.8 (C-11), 133.8 (C-12), 132.8 (C-5′), 130.2 (C-2′), 129.2 (C-3′, 7′), 128.3 (C-4′, 6′), 125.9 (C-2′′), 123.0 (C-5), 123.0 (C-6′′), 92.4 (C-15), 84.1 (C-3), 75.6 (C-14), 75.0 (C-7), 49.3 (C-10), 44.1 (C-4), 43.6 (C-1α, 1β), 43.1 (C-8α, 8β), 38.0 (C-13), 37.8 (C-2), 25.4 (C-18), 25.1 (C-19), 23.1 (C-20), 22.2 (15-OCOCH3), 21.2 (14-OCOCH3), 19.3 (C-16), 19.0 (C-17)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[15],故鑒定化合物12為euphoheliosnoid A。

化合物13:白色粉末,易溶于氯仿,分子式C20H22O6;1H-NMR (600 MHz, CDCl3): 6.88 (2H, d,= 2.1 Hz, H-2, 2′), 6.87 (2H, d,= 8.2 Hz, H-5, 5′), 6.81 (2H, dd,= 8.1, 1.8 Hz, H-6, 6′), 4.72 (2H, d,= 4.3 Hz, H-7, 7′), 4.23 (2H, dd,= 9.1, 6.9 Hz, H-9e, 9′e), 3.89 (6H, s, 2×OCH3), 3.86 (2H, dd,= 9.2, 3.7 Hz, H-9a, 9′a), 3.09 (2H, m, H-8, 8′);13C-NMR (151 MHz, CDCl3): 146.5 (C-3, 3′), 145.1 (C-4, 4′), 132.4 (C-1, 1′), 118.6 (C-6, 6′), 114.2 (C-5, 5′), 108.8 (C-2, 2′), 84.9 (C-7, 7′), 71.7 (C-9, 9′), 55.5 (2×OCH3), 53.2 (C-8, 8′)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[16],故鑒定化合物13為松脂素。

化合物14:淡黃色粉末,易溶于甲醇,分子式C13H18O3;1H-NMR (600 MHz, CH3OD): 6.97 (1H, d,= 16.9 Hz, H-7), 6.41 (1H, d,= 15.8 Hz, H-8), 5.94~5.90 (1H, m, H-4), 2.58 (1H, d,= 17.3 Hz, H-2a), 2.28 (1H, s, 10-CH3), 2.25 (1H, d,= 16.0 Hz, H-2b), 1.88 (3H, d,= 4.6 Hz, 13-CH3), 1.04 (3H, s, 11-CH3), 0.99 (3H, s, 12-CH3)。13C-NMR (150 MHz, CH3OD): 199.3 (C-9), 199.0 (C-3), 163.1 (C-5), 146.6 (C-7), 130.5 (C-8), 126.4 (C-4), 78.9 (C-6), 49.1 (C-2), 41.1 (C-1), 26.3 (C-10), 23.8 (C-11), 22.2 (C-12), 17.7 (C-13)。以上數(shù)據(jù)與文獻(xiàn)對(duì)照一致[17],故鑒定化合物14為(+)-去氫催吐蘿芙木醇。

化合物15:淡黃色粉末,易溶于甲醇,分子式C11H16O3;1H-NMR (600 MHz, CD3OD): 5.74 (1H, s, H-7), 4.28~4.15 (1H, m, H-3), 2.46~2.37 (1H, m, H-4a), 2.02~1.94 (1H, m, H-2a), 1.75 (3H, s, H-11), 1.73 (1H, d,= 4.0 Hz, H-2b), 1.52 (1H, dd,= 14.4, 3.7 Hz, H-4b), 1.45 (3H, s, H-9), 1.26 (3H, s, H-10);13C-NMR (150 MHz, CD3OD)185.8 (C-6), 174.6 (C-8), 113.5 (C-7), 89.1(C-5), 67.4 (C-3), 48.1 (C-4), 46.6 (C-2), 37.7 (C-1), 31.2 (C-11), 27.6 (C-10), 27.1 (C-9)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[18],故鑒定化合物15為loliolide。

化合物16:淡黃色固體,易溶于氯仿,分子式C10H12O4;1H-NMR (600 MHz, CDCl3): 7.54 (1H, dd,= 8.2, 1.9 Hz, H-6), 7.53 (1H, d,= 1.8 Hz, H-2), 6.95 (1H, d,= 8.1 Hz, H-5), 6.23 (1H, s, 4-OH), 4.02 (2H, dt,= 5.1 Hz, H-9), 3.95 (3H, s, OCH3), 3.18 (2H, t,= 5.3 Hz, H-8), 2.80 (1H, s, 9-OH);13C-NMR (150 MHz, CDCl3): 199.5 (C-7), 151.2 (C-4), 147.1 (C-3), 130.0 (C-1), 124.0 (C-6), 114.3 (C-5), 109.9 (C-2), 58.7 (C-9), 56.4 (OCH3), 40.1 (C-8)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[19],故鑒定化合物16為1-(4-羥基-3-甲氧基苯基)-3-羥基丙-1-酮。

化合物17:灰色粉末,易溶于氯仿,分子式C10H9O2N;1H-NMR (600 MHz, CDCl3): 8.31~8.26 (1H, m, H-4), 7.93 (1H, d,= 3.1 Hz, H-2), 7.48~7.45 (1H, m, H-7), 7.38~7.32 (2H, m, H-5, 6), 4.79 (2H, s, CH2OH);13C-NMR (150 MHz, CDCl3): 193.1 (C=O), 136.1 (C-7a), 130.5 (C-2), 124.9 (C-3a), 124.1(C-4), 123.1 (C-5), 121.9 (C-6), 114.2 (C-3), 111.6 (C-7), 65.3 (CH2OH)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[20],故鑒定化合物17為化合物3-羥基乙酰吲哚。

化合物18:白色粉末,易溶于甲醇,分子式C25H26N2O3;1H-NMR (600 MHz, CD3OD): 7.68 (2H, d,= 9.4 Hz, H-3′, 7′), 7.52 (1H, t,= 7.4 Hz, H-5′), 7.42 (2H, t,= 7.7 Hz, H-4′, 6′), 7.28~7.19 (5H, m, H-5~9), 7.19~7.16 (2H, m, H-5′′, 7′′), 7.13 (2H, d,= 7.8 Hz, H-4′′, 8′′), 7.06 (1H, t,= 7.3 Hz, H-6′′), 4.78 (1H, dd,= 9.0, 6.1 Hz, H-2), 4.09~4.03 (1H, m, H-1′′), 3.50~3.35(2H, m, H-9′′), 3.14 (1H, dd,= 13.8, 6.1 Hz, H-3), 2.97 (1H, dd,= 13.8, 9.0 Hz, H-3), 2.90 (1H, dd,= 13.7, 6.0 Hz, H-2′′), 2.70 (1H, dd,= 13.7, 8.2 Hz, H-2′′);13C-NMR (150 MHz, CD3OD): 173.0 (C-1), 169.7 (C-1′), 139.3 (C-4), 138.4 (C-3′′), 135.0 (C-2′), 132.6 (C-5′), 130.1 (C-6, 8), 130.1 (C-5′′, 7′′), 129.2 (C-4′′, 8′′), 129.1 (C-5, 9), 129.0 (C-3′, 7′), 128.2 (C-7), 127.5 (C-4′, 6′), 127.0 (C-6′′), 63.6 (C-9′′), 56.4 (C-2), 53.9 (C-1′′), 38.5 (C-3), 37.6 (C-2′′)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[21],故鑒定化合物18為橙皮酰胺。

化合物19:白色粉末,易溶于氯仿,分子式C22H26O8;1H-NMR (600 MHz, CDCl3): 6.96 (1H, brs, H-2), 6.86 (1H, d,= 8.1 Hz, H-5), 6.73 (1H, dd,= 8.2, 1.7 Hz, H-6), 6.63 (2H, s, H-2′, 6′), 4.99 (1H, brs, H-9), 4.79 (1H, brs, H-7′), 4.34 (1H, dd,= 6.7, 4.8 Hz, H-9′a), 4.13 (1H, brs, H-7), 3.97 (1H, dd,= 9.3, 2.4 Hz, H-9′b), 3.92 (1H, dd,= 6.7, 3.4 Hz, Ha-9a), 3.90 (9H, s, OCH3×3), 3.47 (1H, dd,= 12.1, 9.2 Hz, Hb-9a), 3.14 (1H, brs, H-8′), 3.09 (1H, brs, H-8);13C-NMR (150 MHz, CDCl3): 153.5 (C-5′), 146.6 (C-3), 144.8 (C-4), 137.6 (C-4′), 134.3 (C-1), 131.2 (C-1′), 118.7 (C-6), 114.1 (C-5), 108.3 (C-2), 102.8 (C-2′), 102.7 (C-6′), 87.0 (C-7), 85.6 (C-7′), 72.5 (C-9), 72.0 (C-9′), 60.6 (C-9a), 56.3 (2×OCH3), 56.0 (OCH3), 54.5(C-8), 54.4 (C-8′), 53.5 (C-3′)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[22],故鑒定化合物19為rayalinol。

化合物20:白色粉末,易溶于甲醇,分子式C26H38O8;1H-NMR (600 MHz, CD3OD): 6.38 (1H, s, H-14), 4.96 (1H, dd,= 13.6, 6.1 Hz, H-12), 4.32 (1H, d,= 7.8 Hz, H-1′), 3.84 (1H, dd,= 11.7, 2.2 Hz, H-6′β), 3.65 (1H, dd,= 11.8, 5.7 Hz, H-6′α), 3.40 (1H, dd,= 11.9, 4.2 Hz, H-3), 3.35 (1H, t,= 9.0 Hz, H-3′), 3.27~3.23 (1H, m, H-4′), 3.23~3.20 (1H, m, H-5′), 3.17~3.12 (1H, m, H-2′), 2.59 (1H, d,= 13.4, 6.3 Hz, H-11β), 2.56~2.52 (1H, m, H-7β), 2.30~2.25 (1H, m, H-7α), 2.25~2.19 (1H, m, H-9), 2.04~1.98 (1H, m, H-1β), 1.90~1.87 (1H, m, H-6β), 1.87~1.84 (1H, m, H-2β), 1.78 (3H, s, H-17), 1.69~1.62 (1H, m, H-2α), 1.52~1.47 (1H, m, H-6α), 1.47~1.44 (1H, m, H-11α), 1.34-1.28 (1H, m, H-1α), 1.23~1.20 (1H, m, H-5), 1.06 (3H, s, H-18), 0.97 (3H, s, H-20), 0.85 (3H, s, H-19);13C-NMR (150 MHz, CH3OD): 176.3 (C-16), 157.6 (C-13), 152.9 (C-8), 115.5 (C-15), 113.4 (C-14), 100.5 (C-1′), 84.1 (C-3), 76.8 (C-3′), 76.5 (C-5′), 76.4 (C-12), 73.7 (C-2′), 70.5 (C-4′), 61.6 (C-6′), 54.6 (C-5), 51.4 (C-9), 40.9 (C-10), 38.1 (C-4), 36.9 (C-1), 36.5 (C-7), 27.9 (C-18), 27.3 (C-11), 23.3 (C-6), 23.1 (C-2), 15.7 (C-19), 15.7 (C-20), 6.7 (C-17)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[23],故鑒定化合物20為3--β--吡喃葡萄糖基澤漆內(nèi)酯A。

化合物21:白色粉末,易溶于甲醇,分子式C15H12O5;1H-NMR (600 MHz, CD3OD): 7.30 (2H, d,= 8.4 Hz, H-2′, 6′), 6.80 (2H, d,= 8.6 Hz, H-3′, 5′), 5.86~5.87 (2H, d,= 2.2 Hz, H-6, 8), 5.33 (1H, dd,= 12.9, 3.0 Hz H-2a), 3.10 (1H, dd,= 17.1, 13.0 Hz, H-3a), 2.68 (1H, dd,= 17.0, 2.9 Hz, H-3e);13C-NMR (150 MHz, CH3OD): 196.3 (C-4), 167.4 (C-7), 164.1 (C-5), 163.6 (C-9), 157.6 (C-4′), 129.7 (C-1′), 127.7 (C-2′, 6′), 114.9 (C-3′, 5′), 101.7 (C-10), 95.8 (C-8), 94.9 (C-6), 79.1 (C-2), 42.6 (C-3)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[24],故鑒定化合物21為柚皮素。

化合物22:白色粉末,易溶于甲醇,分子式C15H10O5;1H-NMR (600 MHz, CD3OD): 8.04 (1H, s, H-2), 7.36 (2H, d,= 8.7 Hz, H-2′, 6′), 6.83 (2H, d,= 8.7 Hz, H-3′, 5′), 6.32 (1H, d,= 2.2 Hz, H-8), 6.20 (1H, d,= 2.1 Hz, H-6);13C-NMR (150 MHz, CD3OD): 181.1 (C-4), 163.9 (C-7), 162.8 (C-5), 158.4 (C-8a), 157.5 (C-4′), 153.4 (C-2), 129.8 (C-2′, 6′), 123.4 (C-3), 122.1 (C-1′), 114.7 (C-3′, 5′), 104.9 (C-4a), 98.8 (C-6), 93.4 (C-8)。以上數(shù)據(jù)與文獻(xiàn)對(duì)照一致[25],故鑒定化合物22為4′,5,7-三羥基異黃酮。

化合物23:黃色粉末,易溶于甲醇,分子式C15H10O7;1H-NMR (600 MHz, CD3OD): 7.75 (1H, d,= 2.2 Hz, H-2′), 7.65 (1H, dd,= 8.5, 2.2 Hz, H-6′), 6.90 (1H, d,= 8.5 Hz, H-5′), 6.41 (1H, d,= 2.1 Hz, H-8), 6.20 (1H, d,= 2.1 Hz, H-6);13C-NMR (150 MHz, CD3OD): 175.9 (C-4), 161.1 (C-5), 156.8 (C-9), 147.4 (C-4′), 146.6 (C-2), 144.8 (C-3′), 135.8 (C-3), 122.7 (C-1′), 120.3 (C-6′), 114.8 (C-5′), 114.6 (C-2′), 103.1 (C-10), 93.0 (C-8), 64.2 (C-7), 7.8 (C-6)。以上數(shù)據(jù)與文獻(xiàn)報(bào)道一致[26],故鑒定化合物23為槲皮素。

利益沖突 所有作者均聲明不存在利益沖突

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Chemical constituents of

ZHA Xian-jin1, SHI Qiang2,SHAO Feng1,ZHANG Pu-zhao1,LIU Rong-hua1,YANG Ming1,RAO Qian-ru1

1. Key Laboratory of Modern Preparation of TCM, Ministry of Education, JiangxiUniversity of Traditional Chinese Medicine, Nanchang 330004, China 2. Qihuang Academy of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China

To study the chemical constituents of.The compounds were isolated and purified by silica gel, SephadexLH-20 column chromatography and preparative HPLC, and their structures wereidentified by analysis of physicochemical properties and spectroscopic evidences.Twenty-three compounds were isolated from the 70% EtOH extract of. Their structures were identified as β-sitosterol (1), euphoscopin B (2), 4-hydroxyacetophenone(3), euphoscopin F(4), euphoscopin C(5), nepehinol(6), 4-hydroxy-3,5-dimethoxybenzaldehyde (7), antiquorin (8), 1-indole-3-carboxaldehyde (9), 7-hydroxy-6-methoxycoumarin (10), helioscopinolide A (11), euphoheliosnoid A(12), pinoresinol (13), (+)-dehydrovomifoliol (14), loliolide(15), 1-(4-hydroxy-3-methoxy-phenyl)-3-hydroxypropan-1-one(16), 3-(hydroxyacetyl)indole (17), aurantiamide (18), rayalinol(19), 3--β--glucopyranosylhelioscopinolide A(20), naringenin(21), 4′,5,7-trihydroxyisoflavones(22) and quercetin(23).Compounds 10,17,19, 20,22 are isolated fromgenus for the first time, 3, 7—9,14—16,18 are isolated fromfor the first time.

Linn.;L.; 7-hydroxy-6-methoxycoumarin; 3-(hydroxyacetyl)indole;rayalinol; 3--β--glucopyranosylhelioscopinolideA; 4′,5,7-trihydroxy isoflavones

R284.1

A

0253 - 2670(2021)02 - 0341 -08

10.7501/j.issn.0253-2670.2021.02.006

2020-05-12

國(guó)家自然科學(xué)基金資助項(xiàng)目(82060698);國(guó)家自然科學(xué)基金資助項(xiàng)目(81560637);江西省自然科學(xué)基金資助項(xiàng)目(20161BAB205216)

查顯進(jìn)(1994—),男,碩士,研究方向?yàn)橹兴幓钚猿煞峙c質(zhì)量評(píng)價(jià)。E-mail: 724543064@qq.com

邵 峰(1980—),男,副教授,碩士生導(dǎo)師,主要從事中藥活性成分與質(zhì)量評(píng)價(jià)研究。E-mail: shaofeng0729@163.com

[責(zé)任編輯 王文倩]

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