每次48h。合并兩次提取液,減壓濃縮至無醇味,加水分散后上大孔樹脂柱DlOl, 分別用10 %乙醇、95%乙醇梯度洗脫,棄去10 %乙醇洗脫部位,95%乙醇洗脫部位為總皂苷 (400g)〇
[0058] 取總皂苷300g拌樣上MCI柱(小孔樹脂),分別用20 %甲醇、40 %甲醇、60 %甲醇、 90%甲醇、100%甲醇梯度洗脫。90%甲醇洗脫部位(150g)拌樣上硅膠色譜柱(200-300目) 分離,用二氯甲烷-甲醇梯度洗脫(25:1~0:1),經(jīng)TLC檢測后合并相同組分得至1」7個流份(A, B,C,D,E,F(xiàn),G)。流份D經(jīng)中壓ODS柱分離(50%甲醇~100%甲醇)得到4個流份(D-1,D-2,D-3,D_4),其中流份D-2經(jīng)HPLC制備分離(固定相:unitary C_18(250mmX 10mm,5ym),流動相: 45%乙腈)得到化合物2和化合物3。流份E經(jīng)中壓ODS分離(50%甲醇~90%甲醇)得到5個流 份(EI,E2,E3,E4,E5),其中流份E3經(jīng)HPLC制備分離(固定相:uni tary C-18(250_ X IOmm,5 μπι),流動相:38%乙腈)得到化合物5和化合物11。60%甲醇洗脫部位(120g)再拌樣上硅膠 色譜柱(200-300目)分離,用二氯甲烷-甲醇梯度洗脫(25:1~0:1),經(jīng)TLC檢測后合并相同 組分得到3個流分(I,II,III)。經(jīng)TLC和HPLC檢測,將流份E和流份II合并得到流份Hl (51.6g),流份G和流份III合并得到H2(30.0g) Al經(jīng)中壓MDS分離(60%~90%甲醇)得到5 個流份(Hl-0-1~Hl-0-5)。其中流份Hl-0-4經(jīng)HPLC制備分離(流動相:75 %甲醇)得到化合 物19、流份H1-0-4-1和流份H1-0-4-2,其中流份H1-0-4-2經(jīng)HPLC制備分離(流動相:64%甲 醇)得到化合物15a和15b。流份Hl-0-2用HPLC制備分離(流動相:76 %甲醇)得到化合物21。
[0059] H2經(jīng)中壓0DS(流動相:40%甲醇~70%甲醇)分離得到6個流份(H2-0-1~H2-0-6)。流份H2-0-5用HPLC制備分離(流動相:33 %乙腈)得到化合物27。流份H2-0-4經(jīng)HPLC制備 分離(流動相:31 %乙腈)得到化合物23,25,和流份H2-0-4-1;流份H2-0-4-1再經(jīng)HPLC制備 分離(流動相:70 %甲醇)得到化合物22b。流份H2-0-2經(jīng)中壓ODS分離(流動相:50 %甲醇~ 90 %甲醇)得到6個組分(H2-0-2-1~H2-0-2-6)。其中流份H2-0-2-5經(jīng)HPLC制備分離(流動 相:27 %乙腈)得到化合物29;流份H2-0-2-3經(jīng)HPLC制備分離(流動相:25 %乙腈)得到化合 物32;流份H2-0-2-2經(jīng)HPLC制備分離(22 %乙腈)得到化合物35。
[0060] 上述制備得到的編號ll、15a、15b、21、22b、23、25、27、29、32、35的三萜類化合物經(jīng) 過糖苷酶水解,逐個脫除單糖,得到次生苷和苷元。
[0061] 上述制備得到的三萜類化合物,編號2、3、5和19的化合物為具有環(huán)氧醚鍵的柴胡 皂苷類化合物。
[0062] 本實施例制備得到的各個化合物的結構鑒定數(shù)據(jù)如下:
[0063]化合物2(6〃-巴豆?;?柴胡皂苷a)
[0064]
[0065] 化學式C46H72O14,質(zhì)譜m/z 871[M+Na] +,核磁數(shù)據(jù):
[0066] 1H-匪 5.91(111,111,11-27" ),5.68(lH,dd,J=10.2,3.0Hz,H-ll),5.29(lH,d,J = 7.8Hz,H-l〃),5.03 (IHjCIJ = T-SHzjH-I7 ),1.61 (3H,ddJ = 6.6,1.2Hz,H-4//7 ) ,1.46(3H,dJ = 6.0Hz,H-67 ), 1.42(3H,s,H-26),1.12(3H,s,H-27),1.01(3H,s,H-25),0.95(3H,s,H-29),0.94(3H,s,H-30),0.92(3H,s,H-24);。
[0067] ^0^^(0505160010^)3:166.8(01^),145.5(03^),132.6(011),131.6((:-12),123.5(03'" ),107.1 (C-l〃),106.5(01' ),85.9(03' ),84.5(C-13),82.1(C-3),78.7 (0-4^),76.0(0-2^),75.9(0-5^),73.5(0-28),72.6(0-40,72.1(0-3^),72.0(0-2 7 ),71.5 (C-57),65.0(0-6^),64.5(0-16,0-23),53.6(0-9),52.6(0-18),47.8(0-5),47.5(0-17), 46.I(C-H),44.2(C-4),42.7(C-8),39.1(C-1),38.2(C-19),36.7(C-15),36.6(C-10), 35.2(C-21),34.1(C-29),32.1(C-7,C-20),26.6(C-2),26.2(C-22),24.3(C-30),21.3(C- 27),20.5(026),19.2(025),18.2(06),18.0(04'" ),17.8(06' ),13.5(C-24)。
[0068] 化合物3(柴胡皂苷a),
[0069]
[0070] 化學式C42H680i3,質(zhì)譜數(shù)據(jù)m/z 803[M+Na] +,核磁數(shù)據(jù):
[0071] 1H-NMR(C5D5N,600MHz)5:6.02(lH,d,J=10.8Hz,H-12),5.68(lH,dd,J=10.8, 3.0Hz,H-II ),5. ST(IHjCU = T-SHzjH-I123)jS-OOdHjCU = T-SHzjH-I7 )a.46(3H,dJ = Θ.0Hz,Η-θ7 )a.42(3H,s,H-26)a.l2(3H,s,H-27)a.01(3H,s,H-25),0.95(3H,s,H-29), 0.94(3H,s,H-30),0.92(3H,s,H-24)。
[0072] 13C-MMR(C5D5N,600MHz)S:132.6(C-11),131.6(C-12),107.2(C-1〃),106.5(C-I 7),85.7(0-37),84.5(0-13),82.0(0-3),79.3(0-3^),78.9(0-5^),76.3(0-2^),73.5(0- 28),72.6(0-4^),72.3(0-40,72.0(0-20,71.5(0-57 ),64.5(C-23),64.4(C-16),63.2(C-6〃),53.6(C-9),52.6(C-18),47.8(C-5),47.5(C-17),46.1(C-14),44.2(C-4),42.7(C-8), 39.1(C-1),38.2(C-19),36.7(C-10),36.6(C-15),35.2(C-21),34.1(C-24),32.0(C-7,C-20),26.6(C-2),26.2(C-22),24.3(C-30),21.3(C-27),20.5(C-26),19.2(C-25),18.0(C-6),17.7(060,13.5(024)0
[0073] 化合物5(柴胡皂苷e),
[0074]
化學式C42H68O12,質(zhì)譜數(shù)據(jù)m/z 787[M+Na] +,核磁數(shù)據(jù): 2 1H-匪R(C5D5N,600MHz)S :6.00( lH,d,J=IO. 8,2·4Ηζ,H-12),5.70( lH,dd,J = 10.8,3.0Hz,H-II ),5.44( IHjCIJ = T-SHzjH-I3 ),4.78( IHjCIJ = T-SHzjH-I7 )a.50(3H,d, J = 6.6Hz,H-6/)a.39(3H,s,H-26)a.34(3H,s,H-23)a.20(3H,s,H-27),0.99(6H,s,H-25,H-29),0.93(6H,s,H-24,H-30)。 3 13C-MMR(C5D5N,600MHz)S:132.6(C-11),131.7(C-12),107.3(C-1〃),107.2(C-I 7),89.1(0-3),85.6(0-37),84.5(0-13),79.2(0-3^),78.9(0-5^),76.3(0-2^),73.5(0-28),72.7(0-4^),72.2(0-20,72.0(0-40,71.5(0-5 7 ),64.5(0-16),63.1(0-6^),55.8(0- 5) ,53.4(C-9),52.6(C-18),47.5(C-17),46.1(C-14),42.7(C-8),40.2(C-4),39.1(C-1), 38· 2(C-19),36 ·8(C-10),36 ·6(C-15),35.2(C-21),34.2(C-29),32.3(07),32.1(020), 28 · 3(C-23),27 · I (C-2),26 · 2(C-22),24.3(C-30),21.4(027),20.5(026),18.7(06), 18.4(025),17.8(060,16.8(024)0
[0078] 化合物11(前柴胡皂苷d),
[0079]
[0080] 化學式C36H58〇s,質(zhì)譜數(shù)據(jù)m/z 641[M+Na] +,核磁數(shù)據(jù):
[0081] = 10.2Hz,H-12), 5.02( IHjCIJ = T^HzjH-I7 )a.70(3H,s,H-27)a.58(3H,d,J = 6.6Hz,H-67 )a.07(3H,s,H-26)a.05(3H,s,H-25)a.01(3H,s,H-29),0.95(3H,s,H-30),0.91(3H, s,H-24)。
[0082] 13C-MMR(C5D5N,600MHz)S:136.6(C-13),133.5(C-18),126.8(c-12),126.7(C- 11) ,106.8(0-17 ),82.2(0-3),76.0(0-30,73.5(0-27 ),73.3(0-40,71.8(0-50,68.1(0-16),65.2(C-23),64.9(C-28),54.5(C-9),48.0(C-5),45.8(C-17),44.2(C-4),42.4(C- 14) ,41.6(C-8),39.5(C-19),38.9(C-1),37.0(C-10),36.0(C-21),33.1(C-20),33.0(C- 15) ,32.8(C-7),32.4(C-30),26.6(C-2),25.6(C-29),24.9(C-22),22.4(C-27),19.4(C- 6) ,18.8(0-25),18.0(0-26),17.8(0-60,13.6(0-24).
[0083] 化合物11-1:由化合物11水解得到的苷元,質(zhì)譜數(shù)據(jù)m/z 495[M+Na]+.
[0084] 化合物15a(柴胡皂苷g),
[0085]
[0086] 化學式C42H68O13質(zhì)譜數(shù)據(jù)m/z 803[M+Na] +,核磁數(shù)據(jù):
[0087] 1H-MMR(C5D5N,600MHz)S:5.77(lH,d,J = 5.4Hz,H-ll),5.65(lH,d,J = 5.4Hz,H- 12) , 5. Se(IHjCU = T-SHzjH-I77)^-QSdHjCU = T-SHzjH-I7 )a.45(3H,d,J = 6.0Hz,H-6'),1.31(3H,s,H-27),1.30(3H,s,H-25),1.29(3H,s,H-26),1.00(3H,s,H-30),0.99(3H, s,H-29),0.89(3H,s,H-24)。
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