孫程亮,李正輝,馮 濤,王元忠,劉吉開,王 剛
(1.安徽中醫(yī)藥大學(xué)藥學(xué)院 現(xiàn)代中藥安徽省重點(diǎn)實(shí)驗(yàn)室 安徽省中醫(yī)藥科學(xué)院藥物化學(xué)研究所,安徽 合肥 230031;2.中國科學(xué)院昆明植物研究所植物化學(xué)與西部植物資源持續(xù)利用國家重點(diǎn)實(shí)驗(yàn)室,云南 昆明 650201;3.云南省農(nóng)業(yè)科學(xué)院藥用植物研究所,云南 昆明 650200)
大白口蘑(TricholomagiganteumMassee),隸屬于真菌門(Eumycota)擔(dān)子菌亞門(Basidimycotina)層菌綱(Hymenomycetes)傘菌目(Agaricales)口蘑科(Tricholomataceae)口蘑屬(Tricholoma),別名長柄口蘑、巨大口蘑、洛巴口蘑等,在中國、日本、韓國等地均有發(fā)現(xiàn),并且是一種營養(yǎng)價(jià)值很高的可食用菌。文獻(xiàn)報(bào)道大白口蘑具有廣泛的生物活性,如抗腫瘤、降壓降糖、抗氧化等[1]。國內(nèi)外關(guān)于大白口蘑的研究多集中在其藥理活性方面,而關(guān)于其化學(xué)成分的相關(guān)報(bào)道極少,為了進(jìn)一步弄清大白口蘑中的有效活性成分,筆者對大白口蘑子實(shí)體進(jìn)行了系統(tǒng)的化學(xué)成分研究,從其乙酸乙酯提取物中分離得到12個(gè)已知化合物,經(jīng)波譜解析,鑒定為:亞油酸甲酯(1)、亞油酸(2)、麥角甾-4,6,8(14),22-四烯-3-酮(3)、麥角甾-5,7,22-三烯-3β-醇(4)、過氧麥角甾醇(5)、麥角甾-7,22-二烯-3β,5α,9α-三羥基-6-酮(6)、麥角甾-7,22-二烯-3β,5α-二羥基-6-酮(7)、麥角甾-7,22-二烯-3β,5α,6α,9α-四醇(8)、麥 角 甾-7,22-二烯-3β,5α,6β,9α-四 醇 (9)、麥 角 甾-7,22-二 烯-3β,5α,6β-三 醇 (10)、3β-O-glucopyranosyl-5α,6β-dihydroxy-ergosta-7,22-diene(11)、腦 苷 脂 D(12)。除化合物4和5外其余10個(gè)化合物均為首次從該種真菌中分離得到。
Waters AutoSpec Premier P776和Xevo TQ-S質(zhì)譜儀:美國 Waters公司生產(chǎn);Bruker AvanceⅢ-600、AV-400和DRX-500核磁共振儀:德國 Bruker公司生產(chǎn),以TMS為內(nèi)標(biāo);Agilent 1100型和Agilent 1200型高效液相色譜儀:美國安捷倫公司生產(chǎn),檢測器為DAD檢測器,分析型泵為四元泵,制備型泵為二元泵,進(jìn)樣器為自動(dòng)進(jìn)樣器,分析型色譜柱為Agilent Zorbax SB-C18,色譜柱粒徑為5μm,柱長150mm,內(nèi)徑4.6mm,制備型色譜柱同為Agilent Zorbax SB-C18,色譜柱粒徑為5μm,柱長150 mm,內(nèi)徑9.4mm;正相柱層析硅膠(80~100目和200~300目)以及GF254薄層層析色譜(thin layer chromatography,TLC)預(yù)制硅膠板:均由山東省青島海洋化工廠生產(chǎn);Rp-18反相硅膠(40~75μm):日本Fuji silysia化學(xué)公司生產(chǎn);Sephadex LH-20:瑞典Amersham Biosciences公司產(chǎn)品;顯色方法為熒光燈下波長254nm和365nm處觀察熒光,碘蒸汽顯色,10%硫酸香草醛處理后加熱顯色。大白口蘑(TricholomagiganteumMassee)于2013年8月采自中國云南玉溪,由昆明植物研究所楊祝良研究員鑒定,標(biāo)本存放于中國科學(xué)院昆明植物研究所植物化學(xué)與西部植物資源持續(xù)利用國家重點(diǎn)實(shí)驗(yàn)室高等真菌化學(xué)組(標(biāo)本號:L20130812)。
大白口蘑子實(shí)體(干質(zhì)量1.5kg)用氯仿-甲醇1∶1混合溶劑提取3次。濃縮合并提取液后,將濃縮物(78g)用水溶解,用乙酸乙酯萃取4次。回收乙酸乙酯得浸膏30g。粗提物經(jīng)正相硅膠柱色譜粗分,以石油醚-丙酮(100∶0→0∶100)梯度洗脫得5個(gè)組分(A、B、C、D、E)。組分A(石油醚∶丙酮為20∶1)經(jīng)石油醚-氯仿(100∶0→0∶100)梯度洗脫得到個(gè)5亞組分,A2硅膠柱色譜以石油醚-乙酸乙酯(50∶1)反復(fù)洗脫得到化合物1(17mg)。A3經(jīng)以石油醚-乙酸乙酯(50∶1)反復(fù)洗脫得化合物2(8mg),組分B(石油醚∶丙酮為10∶1)經(jīng)石油醚-丙酮(20∶1→5∶1)梯度洗脫得到4個(gè)亞組分,其中B1以石油醚-丙酮(20∶1)反復(fù)洗脫得到化合物3(10mg),B2經(jīng)正相硅膠柱色譜以石油醚-丙酮(10∶1)洗脫再重結(jié)晶得到化合物4(50mg),B3正相硅膠柱色譜以石油醚-丙酮(8∶1)洗脫再重結(jié)晶得到化合物5(30mg)。組分D(石油醚∶丙酮為2∶1)經(jīng)反相RP-18以甲醇-水(50∶50→100∶0)梯度洗脫得到5個(gè)亞組分,其中 D3經(jīng)硅膠柱色譜以三氯甲烷-丙酮(8∶1)反復(fù)洗脫得化合物6(3mg)和化合物7(1mg)。組分E(石油醚∶丙酮為1∶1)以氯仿-丙酮(6∶1)反復(fù)洗脫得到5個(gè)亞組分,各亞組分分別重結(jié)晶得化合物8(5.2mg)、化合物9(3.6mg)、化合物10(5mg)、化合物11(3 mg)、化合物12(20mg)。
化合物1:亞油酸甲酯,C19H34O2,淡黃色油狀物;EI-MSm/z:294[M]+;1H-NMR (CDCl3,400 MHz)δ:2.30(2H,t,J=7.2Hz,H-2),1.61(2H,m,H-3),1.25~1.37(m,H-4~H-7和H-15~H-17),2.04(4H,m,H-8和 H-14),5.35(4H,m,H-9,H-10,H-12,H-13),2.77(2H,t,J=6.8Hz,H-11),0.88 (3H,t,J=6.8Hz,H-18),3.66(3H,s,-OCH3);13C-NMR(CDCl3,100MHz)δ:174.3 (s,C-1),34.0 (t,C-2),29.7~22.5(t,C-3~C-7和 C-15~C-17),31.9 (t,C-8),130.1 (d,C-9),130.0 (d,C-10),25.6 (t,C-11),128.0(d,C-12),127.8(d,C-13),31.5(t,C-14),14.0(q,C-18),51.4(q,-OCH3)。以上數(shù)據(jù)與文獻(xiàn)[2]數(shù)據(jù)報(bào)道一致,確定該化合物為亞油酸甲酯(見圖1)。
化合物2:亞油酸,C18H32O2,無色油狀物;1HNMR(CDCl3,400MHz)δ:2.34(2H,t,J=7.6 Hz,H-2),1.63(2H,m,H-3),1.31(14H,m,H-4~H-7,H-15~H-17),2.04 (4H,m,H-8,H-14),5.35(4H,m,H-9,H-10,H-12,H-13),2.75(2H,m,H-11),0.87(3H,t,J=7.2Hz,H-18);13C-NMR(CDCl3,100MHz)δ:179.5(s,C-1),33.9(t,C-2),24.6(t,C-3),29.0~29.6(t,C-4~C-7,C-15),27.2 (t,C-8),130.1 (d,C-9),130.0 (d,C-10),25.6 (t,C-11),128.0(d,C-12),127.8 (d,C-13),27.1 (t,C-14),31.9(t,C-16),22.7(t,C-17),14.1(q,C-18)。以上數(shù)據(jù)與文獻(xiàn)[3]數(shù)據(jù)報(bào)道一致,確定該化合物為亞油酸(見圖1)。
化合物 3:麥角甾-4,6,8(14),22-四烯-3-酮,C28H40O,淺黃色晶體;EI-MSm/z:392[M]+;1HNMR(CDCl3,400MHz)δ:5.70(1H,s,H-4),6.00(1H,d,J=9.4Hz,H-6),6.58(1H,d,J=9.4Hz,H-7),0.93 (3H,s,H-18),0.96(3H,s,H-19),1.03 (3H,d,J= 6.8Hz,H-21),5.19(1H,dd,J=15.2,7.2Hz,H-22),5.25(1H,dd,J=15.2,7.2Hz,H-23),0.78(3H,d,J=6.8Hz,H-26),0.82(3H,d,J=6.8 Hz,H-27),0.90 (3H,d,J=6.8Hz,H-28),1.21~2.53 (18H,m, 甾 體 母 核 );13C-NMR(CDCl3,100MHz)δ:34.1 (t,C-1),19.0 (t,C-2),199.3(s,C-3),123.0(d,C-4),164.3(s,C-5),124.5(d,C-6),133.8(d,C-7),124.3(s,C-8),44.1 (d,C-9),36.8 (s,C-10),25.4 (t,C-11),34.2(t,C-12),44.0(s,C-13)156.0(s,C-14),35.7(t,C-15),27.7(t,C-16),55.8(d,C-17),16.7(q,C-18),18.9(q,C-19),39.2(d,C-20),21.2(q,C-21),135.0(d,C-22),132.6(d,C-23),42.9(d,C-24),33.1(d,C-25),19.7(q,C-26),20.0(q,C-27),17.6(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[4]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-4,6,8(14),22-四烯-3-酮(見圖1)。
化合物4:麥角甾-5,7,22-三烯-3β-醇,C28H44O,白 色 晶 體;EI-MSm/z:396 [M]+;1H-NMR(CDCl3,400MHz)δ:3.63(1H,m,H-3),5.57(1H,m,H-6),5.38(1H,m,H-7),0.62(3H,s,H-18),0.93(3H,s,H-19),1.03(3H,d,J=6.8Hz,H-21),5.14~5.25(2H,m,H-22和H-23),0.81(3H,d,J=6.8Hz,H-26),0.84(3H,d,J=6.8Hz,H-27),0.91(3H,d,J=6.8Hz,H-28);13C-NMR (CDCl3,100MHz)δ:38.4 (t,C-1),32.0 (t,C-2),70.4 (d,C-3),40.8(t,C-4),139.8(s,C-5),119.6(d,C-6),116.3(d,C-7),141.3(s,C-8),46.2(d,C-9),37.0(s,C-10),21.1(t,C-11),39.1(t,C-12),42.8(s,C-13),54.6(d,C-14),23.0(t,C-15),28.3(t,C-16),55.7(d,C-17),12.0(q,C-18),16.3(q,C-19),40.4(d,C-20),21.1(q,C-21),135.6 (d,C-22),132.0 (d,C-23),42.8 (d,C-24),33.1(d,C-25),19.6(q,C-26),19.9(q,C-27),17.6(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[5]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-5,7,22-三烯-3β-醇(見圖1)。
化合物5:過氧麥角甾醇,C28H44O3,無色針晶;EI-MSm/z:428 [M]+;1H-NMR (CDCl3,400 MHz)δ:3.97(1H,m,H-3),6.24(1H,d,J=8.4Hz,H-6),6.50(1H,d,J=8.4Hz,H-7),0.82(3H,s,H-18),0.88(3H,s,H-19),0.99(3H,d,J=6.8Hz,H-21),5.22(1H,dd,J=15.2,7.4Hz,H-22),5.13(1H,dd,J=15.2,7.4Hz,H-23),0.80 (3H,d,J=6.8Hz,H-26),0.83(3H,d,J=6.8Hz,H-27),0.90(3H,d,J=6.8Hz,H-28);13C-NMR (CDCl3,100MHz)δ:34.7 (t,C-1),30.1 (t,C-2),66.4(d,C-3),36.9 (t,C-4),82.1 (s,C-5),135.4(d,C-6),130.7(d,C-7),79.4(s,C-8),51.0(d,C-9),36.9(s,C-10),23.4(t,C-11),39.3(t,C-12),44.5(s,C-13),51.6(d,C-14),20.6(t,C-15),28.6(t,C-16),56.2(d,C-17),12.8(q,C-18),18.1(q,C-19),39.7(d,C-20),20.8 (q,C-21),135.2 (d,C-22),132.3 (d,C-23),42.7(d,C-24),33.0(d,C-25),19.6(q,C-26),19.9(q,C-27),17.5(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[6]數(shù)據(jù)報(bào)道一致,確定該化合物為過氧麥角甾醇(見圖1)。
化合物6:麥角甾-7,22-二烯-3β,5α,9α-三羥基-6-酮,C28H44O4,無色針晶;1H-NMR (CDCl3,600 MHz)δ:4.07(1H,m,H-3),5.66(1H,d,J=2.0Hz,H-7),0.62(3H,s,H-18),1.02(3H,s,H-19),1.04(3H,d,J=6.3Hz,H-21),5.16(1H,dd,J=15.2,8.2Hz,H-22),5.24(1H,dd,J=15.2,7.6Hz,H-23),0.82(3H,d,J=6.8Hz,H-26),0.84 (3H,d,J=6.8Hz,H-27),0.92 (3H,d,J=6.7Hz,H-28);13CNMR (CDCl3,150MHz)δ:25.4 (t,C-1),30.1(t,C-2),67.2(d,C-3),37.1(t,C-4),79.7(s,C-5),197.8 (s,C-6),119.8 (d,C-7),164.4(s,C-8),74.6 (s,C-9),41.8 (s,C-10),28.8(t,C-11),34.8(t,C-12),45.3(s,C-13),51.8(d,C-14),22.3(t,C-15),27.9(t,C-16),55.9(d,C-17),12.2(q,C-18),20.4(q,C-19),40.3 (d,C-20),21.1 (q,C-21),135.0 (d,C-22),132.4 (d,C-23),42.8 (d,C-24),33.0(d,C-25),19.6(q,C-26),20.0(q,C-27),17.6(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[7]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-7,22-二烯-3β,5α,9α-三羥基-6-酮(見圖1)。
化合物7:麥角甾-7,22-二烯-3β,5α-二羥基-6-酮,C28H44O3,白色結(jié)晶;ESI-MSm/z:427 (MH)-;1H-NMR(CDCl3,600MHz)δ:4.03(1H,m,H-3),5.66(1H,br.s,H-7),0.61(3H,s,H-18),0.96(3H,s,H-19),1.03(3H,d,J=6.6Hz,H-21),5.16(1H,dd,J=15.2,8.4Hz,H-22),5.24(1H,dd,J=15.2,7.6Hz,H-23),0.84(3H,d,J=7.6Hz,H-26),0.83(3H,d,J=7.2Hz,H-27),0.91(3H,d,J=7.1Hz,H-28);13C-NMR(CDCl3,150MHz)δ:30.4(t,C-1),30.2 (t,C-2),67.5 (d,C-3),38.8 (t,C-4),77.8(s,C-5),198.2(s,C-6),119.7(d,C-7),165.2(s,C-8),43.9 (d,C-9),40.3(s,C-10),22.0(t,C-11),36.5(t,C-12),44.7(s,C-13),55.8(d,C-14),22.5(t,C-15),27.9(t,C-16),56.0(d,C-17),12.7(q,C-18),16.4(q,C-19),40.0(d,C-20),21.1(q,C-21),135.0(d,C-22),132.5 (d,C-23),42.8 (d,C-24),33.0(d,C-25),19.6(q,C-26),19.9(q,C-27),17.6(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[8]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-7,22-二烯-3β,5α-二羥基-6-酮(見圖1)。
化合物8:麥角甾-7,22-二烯-3β,5α,6α,9α-四醇,C28H46O4,無色針晶;ESI-MSm/z:445[M-H]-;1HNMR(MeOD,600MHz)δ:5.06(2H,m,H-7),0.57(3H,s,H-18),1.05(3H,s,H-19),1.02(3H,d,J=6.7Hz,H-21),5.16(1H,dd,J=15.2,7.4Hz,H-22),5.24(1H,dd,J=15.2,7.4Hz,H-23),0.82 (3H,d,J=6.8Hz,H-26),0.84(3H,d,J=6.8Hz,H-27),0.92(3H,d,J=6.8Hz,H-28);13C-NMR (MeOD,150MHz)δ:28.1(t,C-1),30.3(t,C-2),67.2(d,C-3),40.1(t,C-4),74.5(s,C-5),70.2(d,C-6),122.0(d,C-7),143.2(s,C-8),77.0(s,C-9),41.0(s,C-10),27.9(t,C-11),35.0(t,C-12),43.8(s,C-13),50.5(d,C-14),22.8(t,C-15),26.5(t,C-16),55.7(d,C-17),11.7(q,C-18),21.1(q,C-19),40.4(d,C-20),20.3(q,C-21),137.0(d,C-22),133.3(d,C-23),42.8(d,C-24),33.1(d,C-25),19.7(q,C-26),20.0(q,C-27),17.6(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[9]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-7,22-二烯-3β,5α,6α,9α-四醇(見圖1)。
化合物9:麥角甾-7,22-二烯-3β,5α,6β,9α-四醇,C28H46O4,無 色 針 晶;ESI-MSm/z:445[M-H]-;1H-NMR (CDCl3,600MHz)δ:3.99(1H,m,H-3),3.64(1H,brd,H-6),5.32(1H,br.s,H-7),0.64(3H,s,H-18),1.11(3H,s,H-19),1.04(3H,d,J=6.5Hz,H-21),5.19(1H,dd,J=15.2,7.4Hz,H-22),5.24(1H,dd,J=15.2,7.4Hz,H-23),0.84(3H,d,J=6.8Hz,H-26),0.86 (3H,d,J=6.8Hz,H-27),0.94 (3H,d,J=7.2Hz,H-28);13CNMR(CDCl3,150MHz)δ:29.3(t,C-1),31.6(t,C-2),68.2(d,C-3),40.7(t,C-4),76.0(s,C-5),73.7(d,C-6),121.0(d,C-7),143.8(s,C-8),78.9 (s,C-9),41.9 (s,C-10),29.1 (t,C-11),36.5(t,C-12),44.8(s,C-13),51.9(d,C-14),24.0(t,C-15),28.3(t,C-16),57.3(d,C-17),12.3(q,C-18),22.2(q,C-19),41.4(d,C-20),21.6(q,C-21),137.0(d,C-22),133.3(d,C-23),44,4(d,C-24),34.4(d,C-25),20.1(q,C-26),20.5(q,C-27),18.2(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[10]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-7,22-二烯-3β,5α,6β,9α-四醇(見圖1)。
化合物10:麥角甾-7,22-二烯-3β,5α,6β-三醇,C28H46O3,白色粉末;EI-MSm/z:430[M]+;1HNMR(C5D5N,400MHz)δ:4.84(1H,m,H-3),4.32(1H,br.s,J=4.8Hz,H-6),5.74(1H,br.s,H-7),0.67(3H,s,H-18),1.53(3H,s,H-19),1.07(3H,d,J=6.8Hz,H-21),5.16(1H,dd,J=15.2,7.4Hz,H-22),5.24(1H,dd,J=15.2,7.4Hz,H-23),0.84(3H,d,J=6.8Hz,H-26),0.85 (3H,d,J=6.8Hz,H-27),0.94 (3H,d,J=6.8Hz,H-28);13CNMR(C5D5N,100MHz)δ:32.6(t,C-1),33.8(t,C-2),67.6(d,C-3),42.0(t,C-4),76.5(s,C-5),74.3(d,C-6),120.4(d,C-7),141.6(s,C-8),43.8 (d,C-9),38.1 (s,C-10),22.4 (t,C-11),40.1(t,C-12),43.9(s,C-13),55.2(d,C-14),23.5(t,C-15),28.2(t,C-16),56.5(d,C-17),12.3(q,C-18),18.8(q,C-19),40.7(d,C-20),21.3(q,C-21),136.2(d,C-22),132.5(d,C-23),43.0(d,C-24),33.1(d,C-25),19.9(q,C-26),20.1(q,C-27),17.6(q,C-28)。以上波譜數(shù)據(jù)與文獻(xiàn)[11]數(shù)據(jù)報(bào)道一致,確定該化合物為麥角甾-7,22-二烯-3β,5α,6β-三醇(見圖1)。
化 合 物 11:3β-O-glucopyranosyl-5α,6β-dihydroxy-ergosta-7,22-diene,C34H56O8,白 色 結(jié)晶;1H-NMR(MeOD,600MHz)δ:5.20~5.27(3H,m,H-7,H-22,H-23),0.65 (3H,s,H-18),1.44(3H,s,H-19),1.04(3H,d,J=6.8Hz,H-21),0.84 (3H,d,J=6.4Hz,H-26),0.87(3H,d,J=6.8Hz,H-27),0.94(3H,d,J=6.8Hz,H-28),4.40(1H,d,J=7.8Hz,H-1′);13C-NMR (MeOD,150MHz)δ:34.0 (t,C-1),30.0 (t,C-2),75.1 (d,C-3),37.2(t,C-4 ),76.9 (s,C-5),74.4 (d,C-6),119.0(d,C-7),143.8(s,C-8),44.4(d,C-9),38.3(s,C-10),23.0(t,C-11),40.7(t,C-12),44.7(s,C-13),55.9(d,C-14),24.0(t,C-15),28.0(t,C-16),57.4(d,C-17),12.8(q,C-18),18.9(q,C-19),41.9(d,C-20),21.7(q,C-21),137.0 (d,C-22),133.2 (d,C-23),44.4 (d,C-24),34.4(d,C-25),20.1(q,C-26),20.5(q,C-27),18.2 (q,C-28),102.3 (d,C-1′),76.1(d,C-2′),78.1(d,C-3′),71.6(d,C-4′),77.9(d,C-5′),62.8(t,C-6′)。以上波譜數(shù)據(jù)與文獻(xiàn)[12]數(shù)據(jù)報(bào)道一致,確定該化合物為3β-O-glucopyranosyl-5α,6β-dihydroxy-ergosta-7,22-diene (見圖1)。
化合物12:腦苷脂D,C43H81NO9,白色結(jié)晶;ESI-MSm/z:754[M -H]-;1H-NMR (MeOD,400MHz)δ:5.49(1H,dd,J=15.6,7.2Hz,H-4),5.73 (1H,d,J=15.6,5.6Hz,H-5),5.12(1H,t,J=5.6Hz,H-8),1.96 (2H,t,J=7.2Hz,H-10),0.89(6H,t,J=6.4Hz,H-18,H-18′),1.59(3H,s,H-19),4.28(1H,d,J=7.8Hz,H-1″);13C-NMR (MeOD,100MHz)δ:68.8 (t,C-1),53.8 (d,C-2),72.5 (d,C-3),129.6(d,C-4),134.5(d,C-5),33.1(t,C-6),25.6(t,C-7),123.8(d,C-8),136.4(s,C-9),40.2(t,C-10),29.8(t,C-11),176.4(s,C-1′),72.3 (d,C-2′),35.0(t,C-3′),28.5(t,C-4′),30.0~30.2(t,C-12~15,5′~15′),32.4(t,C-16,16′),23.1(t,C-17,17′),14.3 (q,C-18,18′),16.1(q,C-19),103.6(d,C-1″),73.9(d,C-2″),78.3(d,C-3″),70.5(d,C-4″),78.0(d,C-5″),61.9(t,C-6″)。以上波譜數(shù)據(jù)與文獻(xiàn)[13]數(shù)據(jù)報(bào)道一致,確定該化合物為腦苷脂D(見圖1)。
圖1 化合物1—12的化學(xué)結(jié)構(gòu)
[1]張婷,王元忠,李杰慶,等.大白口蘑研究進(jìn)展[J].中國食用菌,2013,32(4):4-7.
[2]朱珠,馬琳,朱海燕,等.民族藥珠芽艾麻化學(xué)成分研究[J].中藥材,2011,34(2):223-225.
[3]盧慧明,謝海輝,楊宇峰,等.大型海藻龍須菜的化學(xué)成分研究[J].熱帶亞熱帶植物學(xué)報(bào),2011,19(2):166-170.
[4]Gao JM,Hu L,Liu JK.A novel sterol from Chinese trufflesTuberindicum[J].Steroids,2001,66(10):773-774.
[5]杜子偉,劉吉開,項(xiàng)晨,等.虎皮小牛肝菌的化學(xué)成分研究[J].天然產(chǎn)物研究與開發(fā),2012,24(5):618-621.
[6]Rosecke J,Konig WA.Constituents of the fungiDaedalea quercinaandDaedaleopsisconfragosavar.tricolor[J].Phytochemistry,2000,54(8):757-762.
[7]雷輝,周雪峰,楊亞玲,等.南海多室草苔蟲甾醇類化學(xué)成分研究[J].中藥材,2011,34(2):180-183.
[8]宮俊,湯華,劉寶姝,等.中國南海黑乳海參共附生白色側(cè)齒霉菌中的甾體類成分[J].第二軍醫(yī)大學(xué)學(xué)報(bào),2013,34(3):310-314.
[9]龔慶芳,張玉梅,譚寧華,等.亞稀褶黑菇的化學(xué)成分[J].天然產(chǎn)物研究與開發(fā),2007,19(3):436-438.
[10]Yue JM,Chen SN,Lin ZW,et al.Sterols from the funguslactariumvolemus[J].Phytochemistry,2001,56(8):801-806.
[11]何其偉,劉吉開,杜子偉,等.齒貝栓菌的化學(xué)成分[J].安徽中醫(yī)學(xué)院學(xué)報(bào),2011,30(2):73-75.
[12]Yoshihisa T,Minoru U,Takashi O,et al.Glycosides of ergosterol derivatives fromHericumErinacens[J].Phytochemistry,1991,30(12):4117-4120.
[13]張梅,徐良雄,薛璟花,等.一株茄病鐮刀菌的代謝產(chǎn)物研究[J].熱帶亞熱帶植物學(xué)報(bào),2012,20(6):585-590.