CN1369565A - 黑曲霉菌株选择性拆分制备手性取代芳基环氧乙烷类化合物及其二醇的方法 - Google Patents

黑曲霉菌株选择性拆分制备手性取代芳基环氧乙烷类化合物及其二醇的方法 Download PDF

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CN1369565A
CN1369565A CN 02110718 CN02110718A CN1369565A CN 1369565 A CN1369565 A CN 1369565A CN 02110718 CN02110718 CN 02110718 CN 02110718 A CN02110718 A CN 02110718A CN 1369565 A CN1369565 A CN 1369565A
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CN1174103C (zh
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金浩
李祖义
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Shanghai Institute of Organic Chemistry of CAS
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Abstract

本发明是涉及一种黑曲霉菌株(Asperillus niger CGMCC0496)对映选择性拆分取代芳基类环氧乙烷底物生成光学活性的手性环氧与二醇化合物的方法。用此反应可以不经分离直接通过化学方法进行手性拆分,一步合成具有R-构型的光学活性二醇化合物,光学活性二醇在合成手性药物具有重大的应用价值。特别是在合成是α-或β-肾上腺受体激动剂或拮抗剂。这是一类广泛运用于治疗:高血压、心绞痛、焦虑、支气管炎等心血管疾病与肺病的手性药物。

Description

黑曲霉菌株选择性拆分制备手性取代 芳基环氧乙烷类化合物及其二醇的方法
技术领域
本发明涉及一种微生物催化剂在不对称水解取代芳基环氧乙烷类底物中的用途。即用黑曲霉菌株对映选择性拆分取代芳基环氧乙烷类底物的方法,制备手性取代芳基环氧乙烷类化合物及其二醇的方法。
技术背景
具有光学活性的取代芳基环氧乙烷类化合物及其对应的二醇化物在农药、医药和精细化工等方面具有极高的应用价值。目前光学活性药物主要集中在治疗心血管,中枢神经系统疾病,抗病毒以及抗肿瘤疾病上。其中在治疗心血管类疾病的药物中β-受体阻滞剂上具有R构型的苯乙二醇类化合物是一类重要的合成中间体。其S构型的取代芳基环氧乙烷类底物也可以通过简单的化学催化生成同样具有R构型的苯乙二醇类化合物。(M.Cleij;A.Archelas;R.Furstoss J.Org.Chem.1999,64,5029-5035)这二步可以不经分离直接在同一反应器内进行(I.V.Archer;D.J.Leak;D.A.Widdowson Tetrahedron Letter 1996,37,8819-8822)。由于最终所得大部分二醇产物可以通过重结晶法进行纯化。因此运用本方法合成光学活性苯乙二醇类化合物具有高效快速,后处理方便等优点。用化学方法合成手性苯乙二醇类化合物1,2-二醇主要为有Sharpless不对称双羟化制备手性1,2-二醇,使用salen-Co(II)的复合物对1,2-环氧进行不对称水解,它们对底物都有一定的限止(1.Johnson,R.A.;Sharpless,K.B.in:Catalytic Asymmetric Synthesis,Ed.:Ojima,I.,Verlag Chemie,NewYork,1993,p.103.2.Kolb,H.C.,van Nieuwenhze,M.S.;Sharpless,K.B.Chem.Rev.1994,94,2483.3.Katsuki,T.J.Synth.Org.Chem.Jpn.1995,53,940.4.Jacobsen,E.S.;Kakiuchi,F.;Fonsler,R.G.;Larrow J.F.;Tokunaga,M.Tetrahedron Lett.1997,38,773.5.Larrow,J.F.;Schauss,S.E.;Jacobsen,E.N.J.Am.Chem.Soc.1996,50,249.)<外,由于β-受体阻滞剂这一类心血管药物往往需要长期服用,这就需要在合成中尽量不使用有害试剂如:重金属离子等。而使用化学催化法必须使用含有重金属离子的手性催化剂。使用微生物转化法催化不对称水解1,2-环氧的报道目前不多。主要为法国的R.Furstoss小组与K.Farber小组(1.Chen,X.J.;Archelas,A.;Furstoss,R.J.Org.Chem.1993,58,5528.2.Mischitz,M.;Kroutil,W.;Wandel,U.;Faber,K.Tetrahedron.Asymmetry,1995,6(6),1261.)。李祖义等人发明黑曲霉菌株(Asperillus niger CGMCC 0496)、培养方法及其用途(CN00127451.1),培养所得新鲜菌体可以贮存在0-4℃下5天活力无明显变。
至今,建立一个完整的催化不对称水解取代芳基环氧乙烷类底物以得到具有光学活性的环氧与二醇的反应条件与方法仍是手性合成研究的重点之一。
发明内容
本发明目的是提供一种用黑曲霉菌体内的环氧水解酶不对称水解取代芳基环氧乙烷类底物的反应体系与方法。
本发明的方法是用具有环氧水解酶的黑曲霉菌体(Asperillus niger CGMCC 0496)催化取代芳基环氧乙烷类化合物不对称水解,制备手性取代芳基环氧乙烷类化合物及其手性二醇的方法。
所述的取代芳基环氧乙烷类化合物底物具有以下结构:
Figure A0211071800061
,其中Ar为苯基、萘基或吡啶基,R1或R2=H、C1-4的烷基、NO2、CF3、CN或X,X=F、Cl、Br或I。
所述的光学活性的手性环氧化合物的绝对构型是S构型,结构式为
Figure A0211071800062
所述的手性二醇的绝对构型是R构型,结构式为
在本发明的方法中,在pH=5-9的磷酸缓冲溶液和助溶剂中,上述的取代芳基环氧乙烷类化合物和黑曲霉菌体(湿)(Asperillus niger CGMCC 0496)重量比为500∶1-20∶1时,底物在反应器中的浓度为0.1g/L至20g/L,推荐pH=7.5-8.5,反应温度20-35℃下,反应时间0.01-120小时。
采用本发明的方法,菌体(湿)与底物的重量比推荐为200∶1至50∶1,底物在反应器中的浓度推荐为1g/L至5g/L。底物溶解在缓冲溶液过程中推荐使用的助溶剂为N,N-二甲基甲酰胺(DMF)。推荐反应温度25-27℃,推荐反应时间0.2-3小时。通过快速过滤菌体终止反应。
用此反应可以不经分离直接通过化学方法进行手性拆分,一步合成具有R-构型的光学活性二醇化合物,光学活性二醇在合成手性药物具有重大的应用价值。特别是在合成是α-或β-肾上腺受体激动剂或拮抗剂。这是一类广泛运用于治疗:高血压、心绞痛、焦虑、支气管炎等心血管疾病与肺病的手性药物。
具体实施方式
通过下述实施例将有助于理解本发明,但并不限制本发明的内容。
     实施例1对单取代的环氧苯乙烷类底物
             的对映选择性拆分
取新鲜培养的黑曲霉CGMCC 0496湿菌体10g(相当于1.6克干菌体)或20g投入100ml磷酸缓冲体系(PH=8),水浴并控制温度在25-26℃,加入200mg或100mg取代芳基环氧乙烷类底物,机械搅拌(800转/分钟),用TLC跟踪反应进程。当反应进行到如表上所示时间时,过滤除去菌体(菌体用乙酸乙酯浸泡12小时)反应液用NaCl进行饱和,用乙酸乙酯萃取3次,合并有机层。除去溶剂用1∶20至1∶4(乙酸乙酯∶石油醚)进行快速柱层析得(S)-构型的剩余环氧;再改用1∶3至1∶1(乙酸乙酯∶石油醚)得(R)-构型的二醇产物。
反应情况列于下表:上述反应式中,(S)-1-16为手性环氧化合物,(R)-17-32为手性双醇化合物。其中,1.R1=p-NO2,2.R1=m-NO2,3.R1=o-NO2,4.R1=p-F,5.R1=p-Cl,6.R1=m-Cl,7.R1=o-Cl,8.R1=p-Br,9.R1=m-Br,10.R1=o-Br,11.R1=p-I,12.R1=p-CH3,13.R1=p-CH3CH2,14.R1=H,15.R1=o-CF3,16.R1=p-CN,17.R1=p-NO2,18.R1=m-NO2,19.R1=o-NO2,20.R1=p-F,21.R1=p-Cl,22.R1=m-Cl,23.R1=o-Cl,24.R1=p-Br,25.R1=m-Br,26.R1=o-Br,27.R1=p-I,28.R1=p-CH3,29.R1=p-CH3CH2,30.R1=H,31.R1=o-CF3,32.R1=p-CN。
                         表1.底物    时间        手性环氧化合物                二醇产物编号    (分钟)   编号b   产率,ee,%    编号c  产率,ee,%
                       %                      %(±)-1  109      (S)-1     42     94     (R-)16     45      95(±)-2  140      (S)-2     45     55     (R)-17     48      66(±)-3*  68      (S)-3     34     98     (R)-18     38      >99(±)-4   32      (S)-4     24     41     (R)-19     33      74(±)-5   60      (S)-5     32     95     (R)-20     46      85(±)-6   24      (S)-6     47     28     (R)-21     40      74(±)-7   45      (S)-7     17     47     (R)-22     37      84(±)-7*  44      (S)-7     22     94     (R)-22     30      84(±)-8   40      (S)-8     30     >99   (R)-23     43      86(±)-9   38      (S)-9     43     35     (R)-24     43      70(±)-10  65      (S)-      22     >99   (R)-25     46      80
             10(±)-11  52      (S)-      25     97     (R)-26     39      72
             11(±)-12  43      (S)-      45     70     (R)-27     43      63
             12(±)-13  41      (S)-      29     63     (R)-28     41      70
             13(±)-14  215     (S)-      15     75     (R)-29     36      52
           14(±)-15*  126  (S)-    34    98    (R)-30    31    82
           15
a:大部分反应中底物与菌体的用量为200mg底物每10g菌体。有*的反应中底物与菌体的用量为200mg底物每10g菌体。上述化合物分析结果如下:上述化合物分析结果如下:(S)-(+)-2-(4-硝基苯基)-环氧乙烷(S)-1淡黄色固体mp.73-75℃;94%ee,[α]D 25+35.0(c 1.20,CHCl3);1HNMR(300MHz,CDCl3):δ2.78(dd,1H,J=5.5,2.5Hz),3.23(dd,1H,J=5.5,4.1Hz),3.96(dd,1H,J=4.1,2.5Hz),8.22,7.46(AB,4H,J=8.7Hz);IR:vmax 1610,1530,1410,1350,855 cm-1;MS m/z(rel.intensity):166([M+1]+,2),165(M+,3),164(6),148(47),118(68),91(30),89(100),77(12),65(21),63(47),51(21).(S)-(+)-2-(3-硝基苯基)-环氧乙烷(S)-2黄色液体;57%ee,[α]D 18+2.5(c 2.8,CHCl3),1H NMR(300MHz,CDCl3):δ2.80(dd,1H,J1=4.8Hz,J2=2.4Hz),3.22(dd,1H,J1=4.2Hz,J2=0.9Hz),3.97(dd,1H,J1=3.9Hz,J2=1.2Hz),7.40-7.75(m,2H),8.02-8.24(m,2H);IR:vmax 3113,2995,1517,1343,1301,1042,983,887,789,741cm-1;MS m/z(rel.intensity):165(M+,18),150(32),136(68),120(25),105(17),90(100),77(22),74(12),65(52),63(59).(S)-(-)-2-(2-硝基苯基)-环氧乙烷(S)-3.黄色固体;mp.51-52℃;98%ee,[α]D 19.5-107.2(c=1.7;CHCl3)1HNMR(300MHz,CDCl3,TMS):δ2.67(dd,1H,J1=5.4Hz,J2=2.4Hz),3.30(dd,1H,J1=5.4Hz,J2=4.2Hz),4.48(dd,1H,J1=4.5Hz,J2=3.0Hz)7.40-7.55(m,1H),7.58-7.75(m,2H),8.15(dd,1H,J1=8.1Hz,J2=1.2Hz).IR:vmax 3150,2997,1532,1353,1254,899,859,809,737,684cm-1;MS m/z(rel.intensity):165(M+,0.3),149(2),135(21),105(10),104(10),91(79),89(21)79(71),77(100).(S)-(+)-2-(4-氟代苯基)-环氧乙烷(S)-4无色液体;41%ee;[α]D 27+7.0(c 1.9,CHCl3);MS m/z(rel.intensity):139(M+1,0.92),138(M+,13),110(13),109(100),107(11),83(22),81(4).1H NMR(300MHz,CDCl3,TMS):δ2.75(dd,1H,J1=5.4Hz,J2=2.5Hz),3.13(dd,1H,J1=5.3Hz,J2=4.1Hz),3.84(dd,1H,J1=3.9Hz,J2=2.7Hz),6.90-7.12(m,2H),7.14-7.35(m,2H).IR:vmax3055,2995,2926,1608,1514,1479,1383,1222,1157,1015,988,882,836,820cm-1.
(S)-(+)-2-(4-氯代苯基)-环氧乙烷(S)-5.
液体;95%ee;[α]D 27+18.7(c 1.8,CHCl3);MS m/z(rel.intensity):156,154(M+1,2,8),155,153(M+,3,7),138(3),125(40),119(39),91(29),89(100),63(34),50(17);1H NMR(300 MHz,CDCl3,TMS):δ2.74(dd,1H,J1=5.4Hz,J2=2.4Hz),3.13(dd,1H,J1=5.4Hz,J2=4.2Hz),3.82(dd,1H,J1=4.2Hz,J2=2.4Hz),7.10-7.21(m,2H),7.26-7.35(m,2H);IR:vmax 3054,2992,2920,1602,1496,1478,1417,1381,1199,1090,1015,987,879,831,769cm-1.
(S)-(+)-2-(3-氯代苯基)-环氧乙烷(S)-6.液体;28%ee;[α]D 27+3.6(c 1.0,CHCl3);MS m/z(rel.intensity):157,155(M+1,0.8,1.4),156,154(M+,10,24),141(15),139(14),125(50),111(11),91(56),89(100);1H NMR(300MHz,CDCl3,TMS):δ2.79(dd,1H,J1=5.3Hz,J2=2.4Hz),3.17(dd,1H,J1=J2=4.8Hz),3.86(dd,1H,J1=J2=2.8Hz),7.16-7.62(m,4H);IR:vmax 3059,2993,1602,1575,1481,1435,1386,1079,999,880,823,692cm-1.(S)-(+)-2-(2-氯代苯基)-环氧乙烷(S)-7.液体;94%ee;[α]D 23+48.3(c1.2,CHCl3);MS m/z(rel.intensity):156,154(M+,4,16),155,153(M+-1,10,23),134(9),124(28),119(75),91(33),89(100),63(17);1H NMR(300MHz,CDCl3,TMS):δ2.65(dd,1H,J1=5.9Hz,J2=3.6Hz),3.19(dd,1H,J1=5.3Hz,J2=4.2Hz),4.21(dd,1H,J1=J2=3.3Hz),7.10-7.50(m,4H);IR:vmax 3061,2993,1699,1593,1482,1442,1383,1249,1121,1053,1035,880,755cm-1.(S)-(+)-2-(4-溴代苯基)-环氧乙烷(S)-8.液体;>99%ee;[α]D 23+13.9(c 1.2,CHCl3);MS:m/z(rel.intensity%):200,198(M+,4),199,197(M-1,3),169(14),119(41),89(100),63(36);1H NMR(300MHz,CDCl3,TMS):δ2.73(dd,1H,J1=5.4Hz,J2=2.7Hz),3.13(dd,1H,J1=5.1Hz,J2=3.6Hz),3.81(dd,1H,J1=3.9Hz,J2=2.4Hz),7.05-7.18(m,2H),7.40-7.48(m,2H);IR:vmax 3051,2991,2919,1595,1490,1415,1378,1101,1073,1011,987,878,828cm-1.(S)-(+)-2-(3-溴代苯基)-环氧乙烷(S)-9.液体;35%ee;[α]D 27+4.0(c 1.1,CHCl3);MS m/z(rel.intensity):200,198(M+,23,23),199,197(M+-1,32,32),169(27),141(16),119(67),91(60),89(100);1H NMR(300MHz,CDCl3,TMS):δ2.77(dd,1H,J1=5.4Hz,J2=2.5Hz),3.15(dd,1H,J1=5.4Hz,J2=4.1Hz),3.81(dd,1H,J1=4.0Hz,J2=2.5Hz),7.10-7.50(m,4H);IR:vmax 3057,2992,1600,1571,1478,1385,1369,1201,1070,997,877,786,691cm-1.(S)-(+)-2-(2-溴代苯基)-环氧乙烷(S)-10.液体;>99%ee;[α]D 18+68.7(c1.1,CHCl3);MSm/z(rel.intensity):200,198(M+,17,18),199,197(M+-1,16,15),185(1),171(9),169(10),141(1),120(7),119(84),91(63),90(41),89(100);1HNMR(300MHz,CD3COCD3,TMS):δ2.64(dd,1H,J1=5.9Hz,J2=2.6Hz),3.18(dd,1H,J1=5.9Hz,J2=4.1Hz),4.15(dd,1H,J1=4.1Hz,J2=2.6Hz)7.08-7.38(m,3H),7.54(dd,1H,J1=7.9Hz,J2=1.1Hz);IR:vmax3055,2991,2916,1569,1472,1440,1381,1248,1045,1026,879,753cm-1.(S)-(+)-2-(4-碘代苯基)-环氧乙烷(S)-11.液体;97%ee;[α]D 26+25.1(c1.0,CHCl3);MS m/z(rel.intensity):247(M+1,10),246(M+,53),245(36),233(19),230(10),217(53),127(6),119(75),91(69),90(54),89(75);1H NMR(300MHz,CDCl3,TMS):δ2.74(dd,1H,J1=5.4Hz,J2=2.6Hz),3.13(dd,1H,J1=5.3Hz,J2=2.6Hz),2.80(dd,1H,J1=3.8Hz,J2=2.5Hz),6.90-7.05(m,2H),7.60-7.78(m,2H);IR:vmax 3053,2990,1589,1474,1413,1377,1056,1006,876,825,792cm-1.(S)-(+)-2-(4-甲基苯基)-环氧乙烷(S)-12.液体;70%ee;[α]D 16+19.5(c 1.2,CHCl3);MS:m/z(rel.intensity%):235(M+1,3),134(M+,2),121(100),91(42),77(24),65(12),51(6);1H NMR(300MHz,CDCl3,TMS):δ2.34(s,3H),2.80(dd,1H,J1=5.4Hz,J2=2.7Hz),3.13(dd,1H,J1=5.7Hz,J2=4.2Hz),3.83(dd,1H,J1=3.9Hz,J2=2.4Hz),7.10-7.20(m,4H);IR:vmax 3051,2988,2922,1519,1477,1386,1131,1255,1199,1109,986,881,818cm-1.(.S)-(+)-2-(4-乙基苯基)-环氧乙烷(S)-13.液体;63%ee;[α]D 18+18.4(c1.4,CHCl3);MS m/z(rel.intensity):149(M+1,4),148(M+,14),131(5),119(62),117(11),115(5),104(9),91(21),77(7);1H NMR(300MHz,CDCl3,TMS):δ1.23(t,3H,J=7.6Hz),5.30(q,2H,J=7.6Hz),2.80(dd,1H,J1=5.5Hz,J2=2.6Hz),3.13(dd,1H,J1=J2=4.7Hz),3.83(dd,1H,J1=4.0Hz,J2=2.5Hz)7.02-7.25(m,4H);IR:vmax 3057,2967,2874,1908,1617,1519,1384,1255,1128,987,881,834cm-1.(S)-(-)-2-苯基-环氧乙烷(S)-14.液体;75%ee;MS m/z(rel.intensity):122(M+2,15),121(M+1,43),120(M+,20),105(100),91(68),77(88);1H NMR(300MHz,CDCl3,TMS):δ2.67(dd,1H,J1=5.7Hz,J2=2.7Hz),3.15(dd,1H,J1=5.4Hz,J2=3.9Hz),3.86(dd,1H,J1=3.9Hz,J2=2.7Hz)7.15-7.45(m,4H);IR:vmax3040,2991,2913,1608,1497,1477,1453,1390,1254,1202,985,877,759,699cm-1.(S)-(+)-2-((2-三氟甲基苯基)-环氧乙烷(S)-15.液体;98%ee;[α]D 21+35.4(c 0.2,CHCl3);MS m/z(rel.intensity):188(M+,16),187(51),174(33),173(75),159(39),157(30),138(27),119(100),108(25),95(11);1H NMR(300MHz,CDCl3TMS):δ2.63(dd,1H,J1=6.0Hz,J2=2.7Hz),3.18(dd,1H,J1=5.1Hz,J2=4.5Hz),3.83(dd,1H,J1=J2=1.8Hz)7.20-7.85(m,4H);IR:vmax1655,1606,1458,1316,1168,1121,1060,1035,887,769cm-1.(S)-(+)-2-((4-腈基苯基)-环氧乙烷(S)-16.白色固体;mp38-39℃;98%ee;[α]D 25+37.6(c 1.99,CHCl3);MSm/z(rel.intensity):145(M+,12);1H NMR(300MHz,CDCl3,TMS):δ2.76(dd,1H,J1=5.5Hz,J2=2.4Hz),3.20(dd,1H,J1=5.4Hz,J2=4.2Hz),3.90(dd,1H,J1=4.0Hz,J2=2.5Hz)7.20-7.85(m,4H);13C-NMR:δ51.5(C1和C2)111.7(CN);118.6;126.1;132.2;143.3(C-Ar)(R-)(-)-1-(4-硝基苯基)-1,2-乙二醇(R)-17.黄色固体;mp.89-90℃;94%ee;[α]D 25-19.5(c1.0,EtOH);1H NMR(300MHz,CD3COCD3):δ3.45(brs,2H),3.58(dd,1H,J=11.1,6.7Hz),3.66(dd,1H,J=11.1,4.9Hz),4.85(dd,1H,J=6.7,4.9Hz),8.18,7.69(AB,4H,J=8.7Hz);IR:vmax 3250,1600,1510,1410,1350,1100,1060,850,800,720cm-1;MS m/z(rel.intensity):184([M+1]+,100),182(2)166(17),152(63),136(26),122(16),106(43),94(35),91(11),78(44).(R)-(-)-1-(3-硝基苯基)-1,2-乙二醇(R)-18.黄色固体;mp.76-77℃;79%ee,[α]D 25-13.9(c1.6,EtOH);1H NMR(300MHz,CD3COCD3):δ3.40(brs,2H),3.70-3.50(m,2H),4.87(dd,1H,J1=J2=5.7Hz),7.61(t,1H,J=8.2Hz),7.83(d,1H,J=7.5Hz),8.10(d,1H,J=8.2Hz),8.28(s,1H);MS m/z(rel.intensity):184([M+1]+,5.1),166(70),152(100),136(34.4),105(60),91(16),77(52);IR:vmax 3300,1520,1340,1070,1030,860,800,720cm-1.(R)-(+)-1-(2-硝基苯基)-1,2-乙二醇(R)-19.淡黄色固体;mp.108-109℃;>99%ee,[α]D 19.5+53.4(c=1.1;EtOH);1H NMR(300MHz,CD3COCD3):δ3.45(brs,2H),3.60(dd,1H,J=11.1,7.0Hz),3.74(dd,1H,J=11.1,4.0Hz),5.28(dd,1H,J=7.0,4.0Hz),7.53(t,1H,J=7.8Hz),7.73(t,1H,J=7.8Hz),7.91-7.86(m,2H);IR:vmax 3250,1610,1530,1065,825,795,750,700cm-1;MSm/z(rel.intensity):184([M+1]+,1.1),166(21),152(88),135(52),104(100),91(54),79(69),77(88).(R)-(-)-1-(4-氟代苯基)-1,2-乙二醇(R)-20.白色固体;mp55-56℃,74%ee;[α]D 24-23.5(c1.5,EtOH);MSm/z(rel.intensity):156(M+,2),140(3),139(47),126(6),125(100),123(15),121(5),119(4),109(9),107(4),95(26),91(3),77(38),70(4);1H NMR(300MHz,CD3COCD3,TMS):δ3.29(s,2H),3.45-3.78(m,2H),4.70-4.83(m,1H),7.02-7.20(m,2H),7.22-7.54(m,2H);IR:vmax3207,2934,2878,1608,1512,1470,1245,1234,1105,1086,1033,891,831cm-1.(R)-(+)-1-(4-氯代苯基)-1,2-乙二醇(R)-21.白色固体;mp83-84℃;95%ee;[α]D 27+18.7(c1.8,CHCl3);MS:m/z(rel.intensity%):172(M+,2),155(11),141(86),113(26),89(8),77(100),51(21);1H NMR(300MHz,CD3COCD3,TMS):δ3.13(bs,2H),3.52(dd,1H,J1=10.9Hz,J2=7.4Hz),3.60(dd,1H,J1=11.OHz,J2=4.6Hz),4.71(dd,1H,J1=11.9Hz,J2=4.5Hz),7.30-7.40(m,2H),7.40-7.50(m,2H);IR:vmax 3310,2977,2939,2879,1596,1490,1457,1341,1110,1085,1031,1015,890,823cm-1.(R)-(-)-1-(3-氯代苯基)-1,2-乙二醇(R)-22.液体;74%ee;[α]D 24-15.8(c1.1,EtOH);MS m/z(rel.intensity):175,173(M+1,0.38,1.09),174,172(M+,3.65,11.65),143(25),141(80),139(4),125(2),115(10),113(33),105(4),89(4),77(100);1HNMR(300MHz,CD3COCD3,TMS):δ2.92(s,2H),3.59(dd,1H,J1=11.2Hz,J2=8.1Hz),3.73(dd,1H,J1=11.2Hz,J2=2.6Hz),4.76(dd,1H,J1=7.8Hz,J2=2.8Hz)7.01-7.28(m,3H),7.35(s,1H);IR:vmax 3369,2926,2878,1599,1575,1479,1431,1197,1102,1077,1029,786,693cm-1.(R)-(-)-1-(2-氯代苯基)-1,2-乙二醇(R)-23.白色固体;mp99-100℃;84%ee;[α]D 23-50.4(c 1.7,EtOH);MS m/z(rel.intensity):172(M+,1.8),143(38),141(100),113(24),77(70);1NMR(300MHz,CD3COCD3,TMS):δ3.39(dd,1H,J1=11.2Hz,J2=7.8Hz),3.46(bs,2H),3.69(dd,1H,J1=11.2Hz,J2=3.0Hz),5.12(dd,1H,J1=7.8Hz,J2=3.0Hz),7.61-7.29(m,4H);IR:vmax 3300,1635,1440,1070,1040,760cm-1.(R)-(-)-1-(4-溴代苯基)--1,2-乙二醇(R)-24.白色固体;mp104-105℃;86%ee;[α]D 23-41.4(c1.2,EtOH);MS m/z(rel.intensity):218,216(M+,3,3),187(71),185(83),159(16),157(19),77(100),51(18);1H NMR(300MHz,CD3COCD3,TMS)δ3.26(bs,2H),3.53(dd,1H,J1=11.4Hz,J2=7.5Hz),3.61(dd,1H,J1=11.1Hz,J2=4.8Hz),4.70(dd,1H,J1=7.5Hz,J2=4.8Hz),7.20-7.38(m,2H),7.40-7.60(m ,2H);IR:vmax 3051,2991,2919,1595,1490,1073,1011,828 cm-1.(R)-(-)-1-(3-溴代苯基)--1,2-乙二醇(R)-25.液体;70%ee;[α]D 23-8.5(c1.2,EtOH);MS:m/z(rel.intensity%):218,216(M+,8),191(22),187(70),185(74),157(34),117(7),105(12),81(21),77(100);1H NMR(300MHz,CDCl3,TMS):δ3.50-2.80(bs,2H),3.58-3.85(m,2H),4.74(dd,1H,J1=8.2Hz,J2=3.3Hz),7.12-7.52(m,3H),7.55(s,1H);IR:vmax 3260,2918,1656,1594,1569,1415,1193,1111,1068,1057,1022,995,906,779,695cm-1.(R)-(-)-1-(2-溴代苯基)--1,2-乙二醇(R)-26.白色固体;mp118-119℃80%ee;[α]D 18-24.8(c1.3,EtOH);MS m/z(rel.intensity):219,217(M+1,0.3,0.2),218,216(M+,2,2),201(2),199(2),188(7),187(72),185(76),159(15),157(19),155(3),137(3),119(3),107(2),105(11),91(5),89(6),78(44),77(100);1HNMR(300MHz,CD3COCD3,TMS):δ3.29(s,2H),3.42(dd,1H,J1=11.2Hz,J2=7.9Hz),3.74(dd,1H,J1=11.2Hz,J2=3.1Hz),5.07(dd,1H,J1=7.9Hz,J2=3.1Hz)7.20(ddd,1H,J1=J2=7.7Hz,J3=1.8Hz),7.39(ddd,1H,J1=J2=7.4Hz,J3=1.2Hz),7.54(ddd,1H,J1=J2=8.0Hz,J3=1.2Hz),7.66(dd,1H,J1=7.8Hz,J2=1.6Hz);IR:vmax 3276,2923,1589,1568,1467,1431,1363,1193,1127,1093,1069,1023,953,898,836,756cm-1.(R)-(-)-1-(4-碘代苯基)-1,2-乙二醇(R)-27.白色固体;mp120-121℃72%ee;[α]D 27-17.7(c 1.1,EtOH);MS m/z(rel.intensity):265(M+1,3),264(M+, 30),234(13),233(100),205(3),141(11),127(3),107(25),105(21),79(25),78(99);1H NMR(300MHz,CD3COCD3,TMS):δ3.25(s,2H),3.52(dd,1H,J1=11.OHz,J2=7.6Hz),3.61(dd,1H,J1=11.2Hz,J2=4.2Hz),4.70(dd,1H,J1=7.6Hz,J2=4.3Hz),7.20,7.66(AB,4H,J=8.1Hz);IR:vmax 3369,2923,1586,1484,1396,1092,1066,1034,1023,1006,895,832,821,523cm-1.(R)-(-)-1-(4-甲基苯基)-1,2-乙二醇(R)-28.白色固体;mp68-69℃;63%ee;[α]D 27-48.1(c 1.1,EtOH);MS m/z(rel.intensity):152(M+,2.4),135(11),121(100),105(5),93(45),77(25),65(6);1H NMR(300MHz,CD3COCD3,TMS):δ2.32(s,3H),3.18(bs,2H),3.50(dd,1H,J1=11.1Hz,J2=8.1Hz),3.60(dd,1H,J1=11.1Hz,J2=4.2Hz),4.68(dd,1H,J1=7.8Hz,J2=4.2Hz),7.14,7.28(AB,4H,J=7.8Hz);IR:vmax 3264,2921,2863,1515,1347,1097,1070,1033,900,849,819em-1.(R)-(-)-1-(4-乙基苯基)-1,2-乙二醇(R)-29.白色固体;mp64-65℃,;70%ee;[α]D 23-23.8(c1.2,EtOH);MSm/z(rel.intensity):166(M+,0.16),165(2),155(1),149(100),136(3),135(51),133(7),131(64),120(4),105(6),91(20),79(39);1H NMR(300MHz,CD3COCD3,TMS):δ1.23(t,3H,J=5.2Hz),2.65(q,2H,J=7.6Hz)2.74-3.15(bs,2H),3.60-3.78(m,2H),4.78(dd,1H,J1=8.0Hz,J2=3.5Hz),7.20,7.26(AB,4H,J=8.1Hz);IR:vmax 3259,2959,2921,2867,1513,1456,1358,1097,1072,1050,1031,900,849,831cm-1.(R)-1-(-)-苯基-1,2-乙二醇(R)-30.白色固体;mp:66-67℃;52%ee;MS:m/z(rel.intensity%):138(M+,3),121(11),107(100),79(85),77(65),63(4),51(14);1H NMR(300MHz,CDCl3,TMS)δ2.92(bs,2H),3.56-3.81(m,2H),4.82(dd,1H,J1=8.1Hz,J2=3.3Hz),7.26-7.50(m,5H);IR:vmax 3203,3061,3030,2934,1469,1448,1343,1228,1101,1089,1054,887,833,760,748,699cm-1.(R)-(-)-1-((2-三氟甲基苯基)-1,2-乙二醇(R)-31.白色固体;mp66-67℃;82%ee;[α]D 21-38.4(c0.5,EtOH);MS:m/z(rel.intensity%):206(M+,4),175(44),173(25),155(100),145(18),127(55);1H NMR(300MHz,CD3COCD3,TMS):δ):δ3.18(bs,2H),3.48(dd,1H,J1=11.4Hz,J2=8.1Hz),3.54(dd,1H,J1=11.1Hz,J2=3.0Hz),5.10(dd,1H,J1=8.1Hz,J2=1.5Hz),7.40-7.56(m,1H),7.58-7.78(m,2H),7.82-7.98(m,1H);IR:vmax 3323,2939,2877,1610,1586,1456,1316,1164,1110,1025,770,755,667cm-1.(R)-(-)-1-((4-腈基苯基)-1,2-乙二醇(R)-32.白色固体;mp78-79℃;82%ee;[α]D 21-19.8(c 0.5,EtOH);MS:m/z(rel.intensity%):163(M+,4);1H NMR(300MHz,CD3COCD3,TMS):δ):δ3.51-+3.65(m,2H),3.93(t,1H,OH,J=6.0Hz),4.65(d,1H,OH,J=4.0Hz),4.75-4.83(m,1H),7.62,8.11(AB,4H,J=8.8Hz).13C-NMRδ:68.4,74.5,123.8,128.2,146.3,151.6
         实施例2对双取代的环氧苯乙烷类
             底物的对映选择性拆分
取新鲜培养的黑曲霉CGMCC 0496  湿菌体10g投入100ml磷酸缓冲体系(PH=8),水浴并控制温度在25-26℃,加入200mg或100mg双取代环氧乙烷类底物,机械搅拌(800转/分钟),用TLC跟踪反应进程。当反应进行到如表上所示时间时,过滤除去菌体(菌体用乙酸乙酯浸泡12小时)反应液用NaCl进行饱合,用乙酸乙酯萃取3次,合并有机层。除去溶剂用1∶20(乙酸乙酯∶石油醚)进行快速柱层析得(S)-构型的剩余环氧;再改用1∶3(乙酸乙酯∶石油醚)得(R)-构型的二醇产物。反应情况如下表:
                      表2.编    取代基位       反应时       手性环手性环氧二醇产物二醇产号      置           间(分        氧化合物化合物的(产率(%))物的ee.
                 钟)          (产率    ee.值              值
                              (%))33    2,3-二氯      122          (S)-31a   95%    (R)-31b   84%
                              (27)              (34)34    2,4-二氯      23           (S)-32a   >99%  (R)-32b   95%
                              (15)              (26)35    2,5-二氯      73           (S)-33a   58%    (R)-33b   95%
                              (40)              (39)36    2,6-二氯                   3小时后无明显水解37    3,4-二氯      46           (S)-35a   63%    (R)-35b   90%
                              (40)              (37)38    2,4-二甲      20           (S)-38a   98%    (R)-38b   96%
     基                       (37)              (36)39    3,5-二氯                   3小时后无明显水解
  a:所有反应中菌体与底物的重量比为15g湿菌体加入200mg底物。上述化合物分析结果如下:(S)-(+)-2-(2,3-二氯代苯基)-环氧乙烷;(+)-33aColorless oil;e.e.=95%;[α]D 18.5+55.9(c0.6,CHCl3);MS m/z(rel.intensity):193,191,189(M+1,1.0,6.1,18.2),192,190,188(M+,7,19,19),155(55),153(56),127(11),125(65),123(100),111(8),89(22);1H NMR(300MHz,CDCl3,TMS):δ2.63(dd,1H,J1=5.7Hz,J2=2.7Hz),3.21(dd,1H,J1=6.0Hz,J2=4.2Hz),4.20(dd,1H,J1=4.2Hz,J2=2.7Hz),7.16-7.35(m,2H),7.36-7.50(m,1H);IR:vmax 3067,2992,1425,1116,1047,889,781cm-1;元素分析(计算值:C:50.83%;H:3.20%;Cl:37.51%)分析值:C,50.87%;H,3.26%;Cl,37.61%.(S)-(+)-2-(2,4-二氯代苯基)-环氧乙烷;(±)-34a液体;e.e.>99%;[α]D 23+31.4(c1.7,CHCl3);Colorless oil;MS m/z(rel.intensity):193,191,189(M+1,0.2,1.4,2.2),192,190,188(M+,3,15,23),163(12),161(68),159(100),127(10),125(46),123(45),99(7),89(29);1H NMR(300MHz,CDCl3,TMS):δ2.63(dd,1H,J1=5.5Hz,J2=2.3Hz),3.19(dd,1H,J1=5.9Hz,J2=4.3Hz),4.15(dd,1H,J1=4.1Hz,J2=2.6Hz),7.05-7.30(m,2H),7.37(d,1H,J=2.0Hz);IR:vmax 3060,2993,1480,1100,1052,880,825cm-1;元素分析(计算值:C:50.83%;H:3.20%;Cl:37.51%)分析值:C,50.91%;H,3.20%;Cl,37.60%.(S)-(+)-2-(2,5-二氯代苯基)-环氧乙烷;(±)-35a液体;e.e.=58%;[α]D 1616.2(c 1.1,CHCl3);Colorless oil;MS m/z(rel.intensity):193,191,189(M+1,0.4,2.6,8.9),192,190,188(M+,3,13,20),155(31),153(91),127(10),125(62),124(12),123(100),109(5),89(18);1H NMR(300MHz,CDCl3,TMS):δ2.64(dd,1H,J1=5.4Hz,J2=2.4Hz),3.19(dd,1H,J1=6.6Hz,J2=4.8Hz),4.15(dd,1H,J1=3.9Hz,J2=2.7Hz),7.05-7.30(m,3H);IR:vmax 3064,2995,1464,1094,1052,813cm-1.元素分析(计算值:C:50.83%;H:3.20%;Cl:37.51%)分析值:C,50.60%;H,3.24%;Cl,37.46%.(S)-(+)-2-(3,4-二氯代苯基)-环氧乙烷;(±)-37a液体;e.e.=63%;[α]D 19 15.3(c 0.5,CHCl3);Colorless oil;MSm/z(rel.intensity):193,191,189(M+1,0.2,4.6,16.5),192,190,188(M+,3,11,16),161(23),159(37),155(30),153(71),127(11),123(100),118(2),109(5),89(12);1H NMR(300MHz,CDCl3,TMS):δ2.74(dd,1H,J1=5.4Hz,J2=2.4Hz),3.15(dd,1H,J1=5.1Hz,J2=4.2Hz),3.82(dd,1H,J1=3.9Hz,J2=3.0Hz),7.12(dd,1H,J1=8.4Hz,J2=2.1Hz),7.35-7.55(m,2H);IR:vmax 3058,2921,1470,1371,1133,1031,882,821cm-1;元素分析(计算值:C:50.83%;H:3.20%;Cl:37.51%)分析值:C,50.58%;H,3.21%;Cl,37.55%.(S)-(+)-2-(3,4-二甲基苯基)-环氧乙烷;(±)-38a液体;e.e.=98%;[α]D 19 35.4(c 0.5,CHCl3);MS m/z(rel.intensity):148(M+,15)m 1H NMR(300MHz,CDCl3,TMS):δ2.30(s,3H),2.34(s,3H),2.65(dd,1H),3.10(dd,1H,),3.90(dd,1H),6.95-7.10(m,3H);13C-NMRδ19.1,25.5,50.5,50.6,51.0,124.6,127.2,131.1,133.3,136.6,137.7.(R)-(-)-1-(2,3-二氯代苯基)-1,2-乙二醇;(-)-33b白色固体;e.e.=84%;mp.126-127℃;[α]D 18.5-52.7(c 1.4,EtOH);MS:m/z(rel.intensity%):210,208,206(M+,0.0,0.6,1.7),189(7),179(11),177(65),175(100),153(3),149(23),147(35),113(22),111(65),89(3);1H NMR(300MHz,CD3COCD3,TMS)δ3.25(bs,2H),3.49(dd,1H,J1=11.4Hz,J2=7.5Hz),3.76(dd,1H,J1=11.1Hz,J2=3.0Hz),5.17(dd,1H,J1=7.5Hz,J2=3.3Hz),7.35-7.45(m,1H),7.47-7.58(m,1H),7.60-7.75(m,1H);IR:vmax 3366,3223,2945,1452,1419,1401,1180,1100,1070,1041,860,782cm-1;元素分析(计算值:C:46.41%;H:3.89%;Cl:34.24%)分析值:C,46.24%;H,4.04%;Cl,34.27%.(R)-(-)-1-(2,4-二氯代苯基)-1,2-乙二醇;(-)-34b白色固体;e.e.=95%;mp.77-78℃;[α]D 23-62.5(c 1.6,EtOH);MS:m/z(rel.intensity%):179,177,175(M+-CH2OH,10,62,100),149(10),147(16),139(5),113(22),111(68),89(3);1H NMR(300MHz,CD3COCD3,TMS)1H NMR(300MHz,CD3COCD3,TMS):δ3.26(bs,2H),3.46(dd,1H,J1=11.3Hz,J2=7.3Hz),3.71(dd,1H,J1=11.3Hz,J2=3.3Hz),5.09(dd,1H,J1=7.4Hz,J2=3.4Hz),7.30-7.45(m,2H),7.66(d,1H,J=8.4Hz);IR:vmax 3253,2961,2943,1590,1559,1466,1375,1349,1270,1190,1093,1062,1046,1025,869,819,778cm-1;元素分析(计算值:C:46.41%;H:3.89%;Cl:34.24%)分析值:C,46.52%;H,4.11%;Cl,34.29%.(R)-(-)-1-(2,5-二氯代苯基)-1,2-乙二醇;(-)-35b白色固体;e.e.=95%;mp.59-60℃;[α]D 13-52.1(c 1.4,EtOH);MS:m/z(rel.intensity%):210,208,206(M+,1.3,8.1,12.6),179(10),177(61),175(100),149(19),147(32),141(5),139(6),113(25),111(75),75(27);1H NMR(300MHz,CD3COCD3,TMS)δ3.28(bs,2H),3.49(dd,1H,J1=11.1Hz,J2=7.2Hz),3.76(dd,1H,J1=11.1Hz,J2=3.0Hz),5.11(dd,1H,J1=6.9Hz,J2=2.7Hz),7.35-7.45(m,2H),7.47-7.58(m,1H);IR:vmax 3293,3191,2923 1462,1191,1104,1093,1037,1023,900,811cm-1;元素分析(计算值:C:46.41%;H:3.89%;Cl:34.24%)  分析值:C,46.42%;H,3.85%;Cl,34.15%.(R)-(-)-1-(3,4-二氯代苯基)-1,2-乙二醇;(-)-37b液体;e.e.=90%;[α]D 19-14.2(c 1.2,EtOH);MS:m/z(rel.intensity%):210,208,206(M+,0.0,2.4,3.8),189(4),179(11),177(64),175(100),171(7),149(22),147(38),141(3),113(25),111(75),75(18);1H NMR(300MHz,CD3COCD3,TMS)δ3.27(bs,2H),3.57(dd,1H,J1=11.1Hz,J2=6.9Hz),3.63(dd,1H,J1=11.4Hz,J2=5.1Hz),4.73(dd,1H,J1=6.9Hz,J2=4.8Hz),7.37(dd,1H,J1=8.1Hz,J2=1.8Hz),7.51(d,1H,J=8.4Hz),7.60(d,1H,J=1.8Hz);IR:vmax 3369,2929,1469,1392,1084,1031,822cm-1;元素分析(计算值:C:46.41%;H:3.89%;Cl:34.24%)分析值:C,46.56%;H,4.15%;Cl,34.32%.(R)-(-)-1-(3,4-二甲基苯基)-1,2-乙二醇;(-)-38b白色固体;mp.64-65℃;[α]D 25-71.2(c 1.2,EtOH);MS:m/z(rel.intensity%):166(M+,15);1H NMR(300MHz,CD3COCD3,TMS)δ2.30(s,6H),2.71(s,1H),2.90(s,1H),3.55-3.75(m,2H),5.02(dd,1H),6.90-7.10(m,2H),7.35(d,1H).13C-NMRδ18.9,20.9,66.9,71.3,125.6,126.9,131.2,134.7,135.5,137.4;IR:vmax 3263,3020,2931,1261,1087,1026,796cm-1.
       施例3对具有多环芳烃取代的环氧乙烷
            类化合物的对映选择性拆分
取新鲜培养的黑曲霉CGMCC 0496湿菌体10g投入100mL磷酸缓冲体系(PH=8),水浴并控制温度在24-26℃,加入200mg或100mg萘基环氧乙烷类底物(溶于2mL DMF),机械搅拌(800转/分钟),用TLC跟踪反应进程。当反应进行到如表上所示时间时,过滤除去菌体(菌体用乙酸乙酯浸泡12小时)反应液用NaCl进行饱合,用乙酸乙酯萃取3次,合并有机层。除去溶剂用1∶10(乙酸乙酯∶石油醚)进行快速柱层析得(S)-构型的剩余环氧;再改用1∶1(乙酸乙酯∶石油醚)得(R)-构型的二醇产物。
反应情况列于下表:
Figure A0211071800251
R1=H;α-(±)-40         R1=H;α-(±)-40a           R1=H;α-(±)-40bR1=7-Cl;α-(±)-41      R1=7-Cl;α-(±)-41a        R1=7-Cl;α-(±)-41bR1=H;β-(±)-42         R1=H;β-(±)-42a           R1=H;β-(±)-42b
                                         表3底物        底物/菌体        反应时间        手性环氧        手性环       二醇产率      二醇编号                                          化合物          氧化合         %          e.e.值
                                          产率%          物e.e.值α-(±)-    210mg/10g         36min          ((S)-40a)        32%(S)      ((R)-40b)     94%(R)
40                                          33                            19α-(±)-    140mg/10g         37min          ((S)-40a)        80%(S)      ((R)-40b)     87%(R)
40                                          32                            44α-(±)-    140mg/10g         37min          ((S)-41a)        82%(S)      ((R)-41b)     85%(R)
41                                          38                            40β-(±)-42  210mg/10g         117min         ((S)-41b)        43%(S)      ((R)-42b)     85%(R)
                                            48                            47β-(±)-42  140mg/10g         106min         ((S)-41b)        60%(S)      ((R)-42b)     78%(R)
                                            45                            37上述化合物分析结果如下:(S)-(+)-2-(1-萘基)-环氧乙烷;(S)-40a液体:e.e.=32%;[α]D 16 28.6(c 2.3,CHCl3);MS m/z(rel.intensity):171(M+1,4),170(M+,27),142(24),141(100),139(15),115(34).1H NMR(90MHz,CCl4,TMS):δ2.6(dd,1H,J1=9Hz,J2=4Hz),3.2(dd,1H,J1=9Hz,J2=6Hz),4.3(dd,1H,J1=J2=3Hz),7.3-8.4(m,7H).IR:vmax 3052,2989,1597,1515,1017,974,884,800cm-1.(S)-(+)-2-(1-(7-氯代)-萘基)-环氧乙烷;(S)-41a白色固体;mp40-41℃;e.e.=82%;[α]D 15 48.6(c 0.2,CHCl3);MS m/z(rel.intensity):204(M+,21);1H NMR(90MHz,CCl4,TMS):δ2.6(dd,1H,J1=9Hz,J2=3.5Hz),3.2(dd,1H,J1=9Hz,J2=5.5Hz),4.3(dd,1H,J1=J2=3.5Hz),7.3-8.4(m,6H).元素分析(计算值:C:70.43%;H:4.43%;Cl:17.32%;)分析值:C:70.34%;H:4.40%;Cl:17.38%。(S)-(-)-2-(2-萘基)-环氧乙烷;(S)-42a白色固体;mp=57-58℃;e.e.=43%;[α]D 16-7.1(c1.2,CHCl3);MS m/z(rel.intensity):171(M+1,12),170(M+,48),169(36),154(17),149(10),141(100),139(57),127(11),122(14),115(25).1H NMR(90MHz,CCl4,TMS):δ2.7(dd,1H,J1=6Hz,J2=2.5Hz),3.1(dd,1H,J1=J2=6Hz),3.9(dd,1H,J1=J2=3Hz),6.9-7.8(m,7H).IR:vmax 3055,2993,1601,1509,1336,893,846,822,742cm-1.(R)-(-)-2-(1-萘基)-乙二醇;(R)-40b白色固体;mp=118-119℃;e.e.=94%;[α]D 16-61.7(c 2.3,EtOH);MSm/z(rel.intensity):189(M+1,3),188(M+,20),169(1),157(94),129(100),77(7);1H NMR(300MHz,CD3COCD3,TMS):δ3.26(bs,2H),3.65-3.84(m,2H),4.94(dd,1H,J1=7.6Hz,J2=4.3Hz),7.45-8.04(m,7H);IR:vmax 3252,3158,2930,1596,1509,1375,1108,1066,1041cm-1.(R)-(-)-2-(1-(7-氯代)-萘基)-乙二醇;(R)-41b白色固体;mp=124-125℃;e.e.=85%;[α]D 16-60.4(c 0.3,EtOH);MSm/z(rel.intensity):222(M+,3);1H NMR(300MHz,CD3COCD3,TMS):δ3.20(bs,2H),3.55-3.80(m,2H),4.92(dd,1H),7.45-8.04(m,6H);元素分析(计算值:C:64.73%;H:4.98%;Cl:15.92%;)分析值:C:64.77%;H:5.01%;Cl:15.38%。(R)-(-)-2-(2-萘基)-乙二醇;(R)-42b白色固体;mp=126-127℃;e.e.=85%;[α]D 16-32.3(c 0.5,EtOH);;MSm/z(rel.intensity):189(M+1,7),188(M+,41),157(100),129(97),127(45),102(4),77(5).1H NMR(300MHz,CD3COCD3,TMS):δ3.26(s,2H),3.64(dd,1H,J1=11.1Hz,J2=7.7Hz),3.73(dd,1H,J1=10.9Hz,J2=6.6Hz),4.90(dd,1H,J1=7.6Hz,J2=4.3Hz),7.32-7.58(m,3H),7.82-8.01(m,4H).IR:vmax 3199,3052,2936,2874,1600,1469,1093,1045,1037,903,856,820,742cm-1.
         实施例4对吡啶环氧乙烷类底物
               的对映选择性拆分
取新鲜培养的黑曲霉CGMCC 0496湿菌体20g投入100ml磷酸缓冲体系(PH=8),水浴并控制温度在25-26℃,加入200mg吡啶环氧乙烷类底物,机械搅拌(800转/分钟),用TLC跟踪反应进程。当反应进行到如表上所示时间时,过滤除去菌体(菌体用乙酸乙酯浸泡12小时)反应液用NaCl进行饱合,用乙酸乙酯萃取3次,合并有机层。除去溶剂用1∶20(乙酸乙酯∶石油醚)进行快速柱层析得(S)-构型的剩余环氧;再改用1∶3(乙酸乙酯∶石油醚)得(R)-构型的二醇产物。反应情况如下表:
Figure A0211071800281
  其中:(±)-43为  
Figure A0211071800282
  (±)-44为     (±)-45为
Figure A0211071800284
环氧位         反应时       环氧产        环氧ee     二醇产     二醇ee置             间            率           值         率         值(±)-43        205分钟     31;((S)-       98(S)      38;((R)-  50(R)
                        43a)                        43b)(±)-44        226分钟     28;((S)-       95(S)      41;((R)-  48(R)
                        44a)                        44b)(±)-45        198分钟     32;((S)-       97(S)      39;((R)-  52(R)
                        45a)                        45b)上述化合物分析结果如下:(S)-(+)-2-吡啶环氧乙烷;(S)-43a液体:e.e.=98%;[α]D 19 13.8(c 2.3,CHCl3);MS m/z(rel.intensity):121(M+,26).1H NMR(250MHz,CDCl3,TMS):δ2.78(dd,1H,J1=5Hz,J2=2.5Hz),2.99(dd,1H,J1=5Hz,J2=3.5Hz),3.84(dd,1H,J1=2.5Hz,J2=3.75Hz),7.02-7.08(m,2H),7.50(t,1H);8.39(d,1H,J=5Hz).13C-NMR:δ50.38,52.81,119.69,123.12,136.82,149.39,157.18.(S)-(+)-3-吡啶环氧乙烷;(S)-44a液体:e.e.=95%;[α]D 19 18.8(c 1.3,CHCl3);MS m/z(rel.intensity):121(M+,26).1H NMR(250MHz,CDCl3,TMS):δ2.83(dd,1H,J1=5.3Hz,J2=2.51Hz),3.20(dd,1H,J1=5.26Hz,J2=4.1Hz),3.90(dd,1H,J1=3.87Hz,J2=2.7Hz),7.25-7.31(m,1H),7.52-7.57(m,1H),8.55-8.59(m,2H).13C-NMR:δ50.38,51.1,123.46,132.73,147.88,149.62.(S)-(+)-4-吡啶环氧乙烷;(S)-45a液体:e.e.=97%;[α]D 19 28.0(c 1.1,CHCl3);MS m/z(rel.intensity):121(M+,26).1H NMR(250MHz,CDCl3,TMS):δ2.77(dd,1H,J1=5.6Hz,J2=2.5Hz),3.20(dd,1H,J1=5.6Hz,J2=4.2Hz),3.85(dd,1H,J1=4.0Hz,J2=2.5Hz),7.21(dd,1H,J1=4.5Hz,J2=1.5Hz);8.58(d,2H,J=5.7Hz).13C-NMR:δ50.95,51.33,120.36,146.96,149.93.(R)-(-)-2-吡啶乙二醇;(R)-43b白色固体;mp=89-90℃;e.e.=50%;[α]D 16-32.4(c 1.1,EtOH);MS m/z(rel.intensity):139(M+,17);1H NMR(250MHz,CD3COCD3,TMS):δ3.64(dd,1H,J1=10.8Hz,J2=5.6Hz),3.82(dd,1H,J1=11.3Hz,J2=6.1Hz),3.97-3.94(m,1H,OH),4.66(d,1H,J=4.95Hz),4.77-4.73(m,1H),7.28-7.24(m,1H),7.56(d,1H,J=7.8Hz);7.82-7.75(m,1H);8.51(d,1H,J=4.5Hz);13C-NMR:δ67.81,75.06,121.59,123.07,137.32,149.12.162.57.(R)-(-)-3-吡啶乙二醇;(R)-44b白色固体;e.e.=48%;[α]D 16-22.4(c 1.0,EtOH);MS m/z(rel.intensity):139(M+,14);1H NMR(250MHz,CD3COCD3,TMS):δ3.69-3.58(m,2H);4.10(s,1H,OH),4.66(s,1H,OH),4.8-4.78(m,1H),7.34(dd,1H,J1=7.86Hz,J2=4.75Hz),7.81-7.77(m,1H),8.60-8.44(m,2H).13C-NMR:δ68.45,73.16,123.91,134.63,139.00,149.07,149.28.(R)-(-)-3-吡啶乙二醇;(R)-45b白色固体;mp71-73℃;e.e.=52%;[α]D 16 10.9(c 0.8,EtOH);MS m/z(rel.intensity):139(M+,10);1H NMR(250MHz,CD3COCD3,TMS):δ3.67-3.58(m,2H);4.03(s,1H,OH),4.66(s,1H,OH),4.74(s,1H),7.40-7.37(m,2H),8.52-8.49(m,2H).13C-NMR:δ68.22,73.96,122.27,150.13,152.59.

Claims (7)

1.一种由黑曲霉(Asperillus niger CGMCC 0496)菌体产生的环氧水解酶不对称催化水解取代芳基环氧乙烷类化合物生成具有光学活性的环氧化合物与手性二醇产物的方法,在20-35℃下和pH=5.0-9.50的0.01-0.3M的磷酸缓冲溶液及助溶剂N,N-二甲基甲酰胺中,黑曲霉菌体(湿)与芳基环氧乙烷类化合物重量比是20~500∶1,催化反应时间0.01~120小时,所述的芳基环氧乙烷类化合物的结构式为
Figure A0211071800021
,其中Ar=苯基、
萘基或吡啶基,R1或R2=H、C1-4的烷基、NO2、CN、CF3或X,
X=F、Cl、Br或I。
2.如权利要求1所述的方法,其特征是所述的光学活性的环氧化合物的绝对构型是S构型,结构式为
Figure A0211071800022
3.如权利要求1所述的方法,其特征是所述的手性二醇的绝对构型是R构型,结构式为
Figure A0211071800023
4.如权利要求1所述的方法中,其特征是所述的反应时间为0.2~3小时。
5.如权利要求1所述的方法中,其特征是所述的黑曲霉菌体(湿)与芳基环氧乙烷类化合物重量比是50~200∶1。
6.如权利要求1所述的方法中,其特征是所述的芳基环氧乙烷类化合物在反应器中的浓度为0.1g/L至20g/L。
7.如权利要求1所述的方法中,其特征是通过快速过滤菌体终止反应。
CNB021107181A 2002-01-31 2002-01-31 黑曲霉菌株选择性拆分制备手性取代芳基环氧乙烷类化合物及其二醇的方法 Expired - Fee Related CN1174103C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101522892B (zh) * 2005-10-07 2013-05-01 韩国海洋研究及发展院 对映选择性环氧化物水解酶和用其制备对映纯环氧化物的方法
CN112076180A (zh) * 2019-06-12 2020-12-15 华东理工大学 抗高血压的多元醇化合物及其衍生物

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101522892B (zh) * 2005-10-07 2013-05-01 韩国海洋研究及发展院 对映选择性环氧化物水解酶和用其制备对映纯环氧化物的方法
CN112076180A (zh) * 2019-06-12 2020-12-15 华东理工大学 抗高血压的多元醇化合物及其衍生物
WO2020249117A1 (zh) * 2019-06-12 2020-12-17 华东理工大学 抗高血压的多元醇化合物及其衍生物
CN112076180B (zh) * 2019-06-12 2024-04-30 源道医药(苏州)有限公司 抗高血压的多元醇化合物及其衍生物

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