JP2006193529A - ビンドリンとのカップリング反応によりビンブラスチン類を合成する中間体製造用中間体 - Google Patents
ビンドリンとのカップリング反応によりビンブラスチン類を合成する中間体製造用中間体 Download PDFInfo
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Abstract
Description
A.本発明の特徴を、一般式Cを含む出発原料、中間体およびビンブラスチンの製造法を順次記載することにより説明する。
1、一般式Cのチオアニリドは、一般式Bの2つの水酸基を保護した化合物とシリルエーテルと化合物1のイソチオシアナートとを反応させて合成される。合成工程は以下のとおりである。R5の好ましい基としてエチル基を、R6の好ましい基としてメチル基を、R10の好ましい基としてt−ブチル基と2つのフェニル基の組み合わせを、R11の好ましいものとしてエチル基を、R12の好ましい基としてメチル基を、またR13の好ましいものとしてテトラヒドロピラニル基を、それぞれ挙げることができる。
参考例1
公知の出発原料1からカルボン酸2を製造する工程は以下のとおりである。
IR(film):3083,2968,1712,1649,1438,1415,1296,892cm−1;1HNMR(CDCl3,400MHz)11.63(brs,1H),4.78(d,J=0.4Hz,1H),4.73(d,J=0.4Hz,1H),2.52(t,J=7.7Hz,2H),2.36(t,J=7.7Hz,2H),2.05(q,J=7.2Hz,2H),1.04(t,J=7.2Hz,3H);13CNMR(CDCl3,100MHz)180.2,149.4,108.3,32.6,30.7,29.0,12.3;分析;計算値(Anal.Calcdfor)C7H12O:C,65.60,H,9.44;分析結果(Found)C,65.50,H,9.37.
〔α〕26 D−52.0(c1.15,CHCl3);IR(film)3029,2966,2921,1783,1701,1648,1454,1388,1353,1212,1110,892,762,743,703cm−1;1HNMR(CDCl3,400MHz)7.33(t,J=7.0Hz,2H),7.27(t,J=7.0Hz,1H),7.20(d,J=7.0Hz,2H),4.79(d,J=1.1Hz,1H),4.77(d,J=1.1Hz,1H),4.67(ddt,J=9.8,8.3,3.2Hz,1H),4.19(dd,J=9.0,8.3Hz,1H),4.15(dd,J=9.0,3.2Hz,1H),3.29(dd,J=13.5,3.2Hz,1H),3.14(ddd,J=17.0,8.8,6.8Hz,1H),3.06(ddd,J=7.0,8.4,7.2Hz,1H),2.76(dd,J=13.5,9.8Hz,1H),2.42(m,2H),2.09(q,J=7.3Hz,2H),1.06(t,J=7.3Hz,3H);13CNMR(CDCl3,100MHz)172.9,153.4,149.6,135.3,129.4,128.9,127.3,108.4,66.2,55.2,37.9,34.0,30.4,29.0,12.3.
〔α〕26 D−36.4(c0.978,CHCl3);IR(film)3029,2967,2935,2247,1779,1695,1646,1453,1389,1351,1291,1211,1113,1014,902,762,742,703cm−1;1HNMR(CDCl3,400MHz)7.35(t,J=7.0Hz,2H),7.29(t,J=7.0Hz,1H),7.22(d,J=7.0Hz,2H),4.83(d,J=1.4Hz,1H),4.75(d,J=1.4Hz,1H),4.65(m,1H),4.19(m,2H),4.09(ddt,J=12.0,7.3,4.4Hz,1H),3.34(dd,J=13.4,3.4Hz,1H),2.78(dd,J=13.4,10.0Hz,1H),2.49(dd,J=14.0,7.0Hz,1H),2.38(m,2H),2.15(dd,J=14.0,7.6Hz,1H),2.08(m,1H),2.04(q,J=7.3Hz,2H),1.90(m,1H),1.03(t,J=7.3Hz,3H);13CNMR(CDCl3,100MHz)174.7,153.1,147.6,135.2,129.4,129.0,127.4,119.1,110.9,66.4,55.6,40.5,39.0,38.1,28.3,27.1,15.1,12.2;
〔α〕23 D+6.49(c1.99,CHCl3);IR(film)3071,2961,2931,2858,2246,1644,1589,1471,1428,1112,1083,894,823,741,703,614,505cm−1;1HNMR(CDCl3,400MHz)7.64(d,J=7.3Hz,4H),7.44(t,J=7.3Hz,2H),7.39(t,J=7.3Hz,4H),4.76(d,J=1.4Hz,1H),4.67(d,J=1.4Hz,1H),3.56(dd,J=9.4,3.4Hz,1H),3.53(dd,J=9.4,4.2Hz,1H),2.30(ddd,J=16.8,8.3,6.3Hz,1H),2.23(dd,J=16.8,7.3Hz,1H),2.15(dd,J=13.9,6.6Hz,1H),1.94(dd,J=13.9,7.6Hz,1H),1.93(q,J=7.3Hz,2H),1.79m,1H),1.74(m,2H),1.06(s,9H),0.99(t,J=7.3Hz,3H);13CNMR(CDCl3,100MHz)148.5,135.6,135.6,133.4,133.4,129.8,129.8,127.8,127.7,120.0,110.3,65.3,38.2,37.4,28.2,27.2,26.9,19.3,15.0,12.0;
〔α〕25 D+8.5(c2.06,CHCl3);IR(film)3070,2931,2858,1471,1428,1388,1112,1063,846,823,741,704,614cm−1;1HNMR(CDCl3,400MHz)7.63(d,J=7.4Hz,4H),7.44(t,J=7.4Hz,2H),7.38(t,J=7.4Hz,4H),4.27(d,J=8.0Hz,1H),3.77(d,J=8.0Hz,1H),3.52(dd,J=9.3,5.4Hz,1H),3.48(dd,J=9.3,5.5Hz,1H),2.67(ddd,J=13.9,4.9,2.2Hz,1H),2.15(td,J=13.9,5.4Hz,1H),2.08(dt,J=13.0,2.4Hz,1H),2.02(m,1H),1.88(m,1H),1.67(dq,J=14.1,7.5Hz,1H),1.49(dq,J=14.1,7.5Hz,1H),1.20(t,J=13.0Hz,1H),1.18(qd,J=13.9,4.9Hz,1H),1.05(s,9H),0.89(t,J=7.5Hz,3H);13CNMR(CDCl3,100MHz)162.5,135.5,135.5,133.6,133.5,129.7,129.7,127.6,127.6,79.0,68.0,55.1,39.1,35.7,29.5,26.8,26.4,22.0,19.2,8.3;
〔α〕26 D+54.4(c1.40,CHCl3);IR(film)3489,3070,2931,2858,1699,1471,1427,1389,1191,1112,1056,997,823,741,703,614,506cm−1;1HNMR(CDCl3,400MHz)7.65(d,J=7.4Hz,4H),7.44(t,J=7.4Hz,2H),7.39(t,J=7.4Hz,4H),3.67(dd,J=11.5,7.3Hz,1H),3.55(dd,J=8.8,4.9Hz,1H),3.51(dd,J=8.8,5.2Hz,1H),3.33(dd,J=11.5,6.8Hz,1H),2.51(td,J=14.6,6.6Hz,0H),2.48(dd,J=7.3,6.8Hz,1H),2.28(ddd,J=14.6,4.6,2.4Hz,1H),2.12(m,2H),1.83(dq,J=15.4,7.6Hz,1H),1.75dq,J=15.0,3.9Hz,1H),1.52(dq,J=15.4,7.6Hz,1H),1.38t,J=15.0Hz,1H),1.32(qd,J=14.6,3.7Hz,1H),1.06(s,9H),0.84(t,J=7.6Hz,3H);13CNMR(CDCl3,100MHz)218.5,135.6,135.6,133.7,133.6,129.7,129.7,127.7,127.768.1,65.9,52.6,38.3,34.8,34.4,29.5,26.9,25.4,19.3,7.7;
〔α〕27 D+10.0(c1.50,CHCl3);IR(film)3441,3071,2932,2859,1738,1462,1428,1362,1172,1112,1071,823,741,704,614,504cm−1;1HNMR(CDCl3,400MHz)7.67(m,4H),7.43(t,J=6.7Hz,2H),7.40(t,J=6.7Hz,4H),3.64(s,3H),3.57(dd,J=10.0,4.6Hz,1H),3.51(s,1H),3.46(brs,2H),3.42(dd,J=10.0,7.7Hz,0H),2.23(t,J=7.4Hz,2H),2.09(m,1H),1.82(m,1H),1.63−1.48(m,9H),1.06(s,9H),0.88(t,J=7.6Hz,3H);13CNMR(CDCl3,100MHz)174.4,135.7,135.6,132.9,132.9,129.9,129.9,127.8,127.8,74.0,68.4,67.5,51.6,38.5,35.2,31.4,30.2,28.1,26.8,19.1,8.1;
〔α〕28 D−3.48(c1.04,CHCl3);IR(film)2955,2878,1742,1461,1430,1249,1168,1109,1011,839,741,704,612cm−1;1HNMR(CDCl3,400MHz)7.66(d,J=6.7Hz,4H),7.41(t,J=6.7Hz,2H),7.36(t,J=6.7Hz,4H),3.65(s,3H),3.63(dd,J=10.0,4.4Hz,1H),3.47(dd,J=10.0,6.1Hz,1H),3.41(d,J=9.8Hz,1H),3.37(d,J=9.8Hz,1H),2.27(dd,J=9.0,7.3Hz,1H),1.81(m,3H),1.55(m,2H),1.41(dq,J=13.9,7.4Hz,1H),1.25(dd,J=14.4,4.9Hz,1H),1.05(s,9H),0.95(t,J=7.9Hz,9H),0.77(t,J=7.4Hz,3H),0.59(q,J=7.9Hz,6H),0.01(s,9H);13CNMR(CDCl3,100MHz)174.6,135.7,133.9,129.5,127.6,79.2,68.0,67.0,51.4,36.9,35.5,31.7,31.6,29.9,27.8,26.9,8.3,6.9,4.4,2.6;
実施例1
a,前記シリルエーテル10と化合物1において、R1〜R4の全てがHである化合物に相当するイソチオシアナート11から一般式Cに含まれるチオアニリド12の合成。合成工程は以下のとおりである。
1HNMR(CDCl3,400MHz)9.78(s,(1/4)1H),9.74(s,(1/4)1H),9.63(s,(1/4)1H),9.60(s,(1/4)1H),7.83(d,J=7.8Hz,1H),7.67(m、5H),7.38(m,8H),6.50(d,J=11.5Hz,1H)6.00(ddd,J=11.5,6.4,3.9Hz,1H),4.60(t,J=3.4Hz,1H),3.43(ddd,J=12.7,5.8,1.9Hz,1H),4.16(m,(1/2)1H),4.09(ddd,J=12.7,7.1,1.6Hz,1H),4.03(m,(1/2)1H),3.81(m,2H),3.74(s,3H),3.57(m,1H),3.49−3.40(m,3H),2.24(m,2H),1.93(m,(1/2)1H),1.82(m,1H+(1/2)1H),1.68(m,2H),1.53(m,4H),1.44−1.20(m,3H),1.07(s,(1/2)9H),1.05(s,(1/2)9H),0.94(t,J=7.9Hz,9H),0.79(t,J=7.3Hz,(1/2)3H),0.77(t,J=7.3Hz,(1/2)3H),0.59(q,J=7.9Hz,(1/2)6H),0.58(q,J=7.9Hz,(1/2)6H),0.01(s,(1/2)9H),0.00(s,(1/2)9H);
1HNMR(CDCl3,400MHz)8.68(s,(1/4)1H),8.65(s,(1/4)1H),8.39(s,(1/2)1H),7.61(m,6H),7.37(m,6H),7.12(m1H)、7.06(m,1H),4.54(m,(1/2)1H),4.51(m,(1/2)1H),4.12(m,1H),3.96(m,1H),3.83(m,1H),3.66(s,(1/2)3H),3.63(s,(1/2)3H),3.50(m,3H),3.39(m,3H),3.31(m,1H),2.96(m,2H),2.85(m,1H),2.33(m,1H),2.23(m,1H),2.13(m,1H),1.79(m,2H),1.60−1.37(m,4H),1.27(m,2H),1.06(s,(1/2)9H),1.05(s,(1/2)9H),0.99−0.81(m,9H),0.74(t,J=7.2HzH(1/2)3H),0.67(t,J=7.2Hz,(1/4)3H),0.66(t,J=7.2Hz,(1/4)3H),0.56(m,6H),0.11(s,(1/4)9H),0.10(s,(1/4)9H),0.00(s,(1/4)9H),−0.01(s、(1/4)9H);
1HNMR(CDCl3,400MHz)7.95(m,1H),7.67(m,3H),7.53(t,J=8.3Hz,2H),7.37(m,6H),7.21(m,2H),4.57(m,1H),4.51(m,1H),4.23(m,(1/2)1H),4.12(m,(1/2)1H),3.92(m,(1/2)1H),3.85(m,(1/2)1H),3.82(m,1H),3.70(m,1H),3.60(s,(1/2)3H),3.59(s,(1/4)3H),3.58(s,(1/4)3H),3.57(m,2H),3.43(m,3H),3.19(m,2H),2.92(m,2H),2.82(m,2H),2.53(m,(1/2)1H),2.12(m,(1/2)1H),1.86(m,1H),1.64(s,(1/4)9H),1.60(s,(1/4)9H),1.57(s,(1/2)9H),1.72−1.40(m,4H),1.28(m,2H),1.27(brs,(1/2)9H),1.06(s,(1/2)9H),0.93(t,J=8.0Hz,(1/4)9H),0.89(t,J=8.0Hz,(1/4)9H),0.85(t,J=8.0Hz,(1/4)9H),0.84(t,J=8.0Hz,(1/4)9H),0.74(t,J=7.2Hz,(1/2)3H),0.65(t,J=7.2Hz,(1/2)3H),0.56(q,J=8.0Hz,(1/2)6H),0.45(q,J=8.0Hz,(1/4)6H),0.44(q,J=8.0Hz,(1/4)6H),−0.03(s,(1/2)9H),−0.10(s,(1/4)9H),−0.11(s,(1/4)9H);
I、低極性異性体〔α〕26 D+78(c0.57,CHCl3);IR(film)3423,2934,2860,1731,1457,1431,1366,1325,1231,1163,1131,1113,1047,910,823,738,705,614cm−1;1HNMR(CDCl3,400MHz)7.96(d,J=7.8Hz,1H),7.65(d,J=7.8Hz,2H),7.62(d,J=7.8Hz,2H),7.44(m,3H),7.37(m,3H),7.30(td,J=7.8,1.2Hz,1H),7.23(dd,J=7.8,1.2Hz,1H),4.05(t,J=6.3Hz,1H),3.74(m,1H),3.68(m,1H),3.61(s,3H),3.60(dd,J=9.9,4.9Hz,1H),3.36(dd,J=9.9,7.9Hz,1H),3.28(s,2H),2.82(dt,J=14.4,4.3Hz,1H),2.67(ddd,J=14.4,9.0,5.6Hz,1H),2.42(dt,J=13.7,6.3Hz,1H),1.87(m,1H),1.79(ddd,J=13.7,7.3,5.6Hz,1H),1.63(s,9H),1.62(dd,J=15.0,5.9Hz,1H),1.50(dd,J=15.0,4.3Hz,1H),1.34(q,J=7.6Hz,2H),1.03(s,9H),0.75(t,J=7.6Hz,3H);13CNMR(CDCl3,100MHz)173.2,150.4,135.8,135.7,135.6,135.5,132.9,132.8,129.9,129.8,129.1,127.8,127.8,124.6,122.7,118.6,117.8,115.9,84.4,73.8,68.6,67.2,61.7,52.2,41.3,38.6,34.1,34.0,30.0,28.2,27.7,26.8,19.1,7.8;
〔α〕26.5 D−59(c0.47,CHCl3);IR(film)3430,2934,2863,1728,1458,1430,1366,1326,1230,1163,1131,1116,1048,910,738,705,614cm−1;1HNMR(CDCl3,400MHz)7.93(d,J=8.0Hz,1H),7.61(d,J=8.1Hz,2H),7.58(d,J=8.1Hz,2H),7.42(t,J=8.0Hz,1H),7.39(t,J=8.1Hz,2H),7.32(t,J=8.1Hz,4H),7.26(dd,J=8.0,1.0Hz,1H),7.23(td,J=8.0,1.0Hz,1H),3.96(brs,1H),3.66(m,2H),3.63(s,3H),3.55(dd,J=10.2,4.2Hz,1H),3.51(d,J=11.0Hz,1H),3.47(d,J=11.0Hz,1H),3.37(dd,J=10.2,8.4Hz,1H),2.74(dt,J=14.4,4.7Hz,1H),2.58(ddd,J=14.4,8.3,6.4Hz,1H),2.47(ddd,J=14.7,6.8,5.1Hz,1H),1.98(m,1H),1.68(dd,J=14.9,5.9Hz,1H),1.61(dd,J=14.9,7.1Hz,1H),1.60(m,2H),1.60(s,9H),1.45(ddd,J=14.7,7.6,4.9Hz,1H),0.98(s,9H),0.91(t,J=7.4Hz,3H);13CNMR(CDCl3,100MHz)173.5,150.3,135.8,135.6,135.6,135.6,132.9,132.8,129.8,129.8,129.2,127.8,127.7,124.5,122.7,118.6,116.9,115.9,84.4,74.2,68.9,67.6,61.8,52.3,42.0,39.2,35.6,34.9,30.2,28.1,27.7,26.7,19.0,8.2;
I、低極性異性体〔α〕24 D+73(c0.41,CHCl3);IR(film)3543,3397,2934,1731,1597,1457,1431,1364,1325,1253,1232,1175,1130,1113,1044,973,911,842,821,740,705,667,615,555cm-1;1HNMR(CDCl3,400MHz)7.96(d,J=8.3Hz,1H),7.68(d,J=8.1Hz,2H),7.50(m,5H),7.39(m,2H),7.32(td,J=7.3,1.2Hz,1H),7.29(t,J=7.3Hz,4H),7.26(dd,J=7.3,1.2Hz,1H),7.23(d,J=8.1Hz,2H),3.96(brs,1H),3.93(d,J=9.2Hz,1H),3.79(d,J=9.2Hz,1H),3.69(m,2H),3.63(s,3H),3.47(dd,J=10.3,3.8Hz,1H),3.33(dd,J=10.3,8.3Hz,1H),2.90(dt,J=14.4,4.5Hz,1H),2.65(ddd,J=14.4,9.0,6.1Hz,1H),2.41(ddd,J=15.9,6.1,4.6Hz,1H),2.37(s,2H),1.83(m,1H),1.69(dd,J=14.9,4.4Hz,1H),1.61(m,1H),1.58(s,9H),1.51(m,1H),1.00(m,2H),0.91(s,9H),0.79(t,J=7.6Hz,3H);13CNMR(CDCl3,100MHz)173.2,150.3,144.7,135.7,135.5,135.5,135.4,132.6,132.5,132.5,129.9,129.8,129.8,129.3,128.0,127.8,127.8,124.5,122.7,118.8,117.5,116.0,84.4,73.1,72.4,68.9,61.8,52.3,41.8,40.2,35.3,34.7,30.5,28.1,27.8,26.7,21.6,19.0,7.5;
〔α〕25 D−20(c0.57,CHCl3);IR(film)3416,2934,1729,1597,1457,1431,1364,1325,1254,1231,1175,1131,1112,1045,974,912,841,821,739,705,667,614,556,508cm−1;1HNMR(CDCl3,400MHz)7.96(d,J=7.6Hz,1H),7.68(d,J=8.3Hz,2H),7.61(m,4H),7.47(t,J=7.6Hz,1H),7.43(m,2H),7.37(m,4H),7.29(td,J=7.6,1.2Hz,1H),7.26(d,J=8.3Hz,2H),7.23(dd,J=7.6,1.2Hz,1H),3.98(t,J=5.5Hz,1H),3.82(d,J=9.3Hz,1H),3.74(m,2H),3.64(d,J=9.3Hz,1H),3.63(dd,J=10.0,2.3Hz,1H),3.61(s,3H),3.33(dd,J=10.0,8.3Hz,1H),2.92(dt,J=14.2,5.2Hz,1H),2.72(dt,J=14.2,8.0Hz,1H),2.41(s,2H),2.40(m,1H),1.98(m,1H),1.65(m,1H),1.61(s,9H),1.58(m,2H),1.37(dq,J=14.4,7.4Hz,1H),1.31(dq,J=14.4,7.4Hz,1H),1.00(s,9H),0.68(t,J=7.4Hz,3H);13CNMR(CDCl3,100MHz)172.9,150.3,144.9,135.8,135.7,135.6,135.6,132.5,132.5,132.5,132.4,130.0,129.9,129.3,128.0,127.9,127.8,124.4,122.6,118.6,117.4,116.0,84.3,72.9,72.0,68.8,61.8,52.1,41.2,39.4,34.5,34.2,30.5,28.1,28.0,26.8,21.6,19.1,7.3;
低極性異性体
〔α〕23 D+93(c0.31,CHCl3);IR(film)3456,2934,2859,1731,1588,1458,1431,1364,1324,1254,1229,1164,1130,1113,1049,1004,910,822,741,705,616cm−1;1HNMR(CDCl3,400MHz)7.98(d,J=7.7Hz,1H),7.64(m,4H),7.43(m,3H),7.36(m,4H),7.29(td,J=7.7,1.2Hz,1H),7.23(td,J=7.7,1.2Hz,1H),4.01(dd,J=9.9,4.3Hz,1H),3.68(m,2H),3.66(s,3H),3.55(dd,J=10.2,4.1Hz,1H),3.47(dd,J=10.2,4.7Hz,1H),2.82(dt,J=14.7,3.9Hz,1H),2.55(m,2H),2.34(d,J=4.7Hz,1H),2.27(d,J=4.7Hz,1H),2.11(dd,J=9.6,3.8Hz,1H),2.05(ddd,J=14.7,9.8,3.4Hz,1H),1.66(m,1H),1.65(s,9H),1.44(brs,1H),1.21(qd,J=7.4,3.6Hz,2H),1.05(s,9H),0.64(t,J=7.4Hz,3H);13CNMR(CDCl3,100MHz)173.0,150.3,136.0,135.8,135.6,135.1,133.5,133.5,129.8,129.7,129.7,127.7,127.7,124.5,122.7,118.5,118.3,116.0,84.4,65.9,61.7,58.7,52.1,51.6,41.8,36.2,35.0,31.8,28.2,27.8,26.9,26.5,19.3,8.5;
〔α〕24 D62(c0.36,CHCl3);IR(film)3455,2934,2859,1730,1458,1431,1365,1325,1253,1229,1164,1130,1112,1079,1008,910,823,742,705,615cm−1;1HNMR(CDCl3,400MHz)7.99(d,J=7.8Hz,1H),7.56(d,J=8.0Hz,4H),7.50-7.20(m,9H),4.14(t,J=6.8Hz,1H),3.76(m,2H),3.65(s,3H),3.47(d,J=4.6Hz,2H),2.93(dt,J=14.4,4.3Hz,1H),2.80(ddd,J=14.4,9.0,5.9Hz,1H),2.45(ddd,J=14.2,6.8,4.6Hz,1H),2.42(d,J=4.6Hz,1H),2.40(d,J=4.6Hz,1H),2.27(dd,J=9.5,4.4Hz,1H),2.09(ddd,J=14.2,7.3,4.9Hz,1H),1.63(s,9H),1.62(m,1H),1.39(m,2H),1.06(m,1H),0.90(s,9H),0.76(t,J=7.6Hz,3H);13CNMR(CDCl3,100MHz)173.2,150.4,135.9,135.8,135.6,135.6,133.6,133.4,129.6,129.6,129.3,127.6,127.5,124.5,122.7,118.5,117.6,116.1,84.4,66.7,61.9,59.1,52.3,52.2,41.7,36.3,36.0,33.6,28.1,28.1,26.8,26.7,19.1,8.7;
IR(film)3397,3071,2934,2859,1731,1546,1459,1432,1367,1327,1235,1165,1115,910,735,705,581cm−1;1HNMR(CDCl3,400MHz)8.04(d,J=8.3Hz,1H),7.93(m,(1/2)1H),7.89(d,J=7.1Hz,(1/2)1H),7.78-7.16(m,13H+(1/2)1H),7.13(d,J=7.3Hz,(1/2)1H),7.11(d,J=7.3Hz,(1/2)1H),6.77(brs,(1/2)3H),4.83(s,(1/2)1H),4.31(brs,(1/2)1H),4.23(m,(1/2)2H),3.82-3.19(m,4H+(1/2)1H),3.60(s,(1/2)3H),3.56(s,(1/2)3H),3.12(m,(1/2)1H),2.98(m,1H),2.88(d,J=14.9Hz,(1/2)1H),2.75(m,(1/2)1H),2.51−1.71(m,3H),1.64(s,(1/2)9H),1.61(s,(1/2)9H),1.42−1.15(m,4H),1.06(s,(1/2)9H),0.98(s,(1/2)9H),0.89(t,J=7.6Hz,(1/2)3H),0.68(t,J=7.6Hz,(1/2)3H);
I、低極性異性体
〔α〕22 D−89(c0.37,CHCl3);IR(film)3389,2947,1728,1545,1460,1439,1370,1341,1167,910,734,580cm−1;1HNMR(CDCl3,400MHz)8.76(s,1H),7.93(dd,J=7.6,1.2Hz,1H),7.72(td,J=7.6,1.2Hz,1H),7.67(td,J=7.6,1.2Hz,1H),7.62(dd,J=7.6,1.2Hz,1H),7.42(d,J=8.0Hz,1H),7.31(d,J=8.0Hz,1H),7.15(td,J=8.0,1.0Hz,1H),7.05(td,J=8.0,1.0Hz,1H),4.17(dd,J=12.8,3.3Hz,1H),4.07(ddd,J=15.1,8.5,6.6Hz,1H),3.74(s,3H),3.58(d,J=14.4Hz,1H),3.51(dd,J=10.9,4.0Hz,1H),3.46(dd,J=10.9,6.3Hz,1H),3.40(dt,J=15.1,7.9Hz,1H),3.11(m,2H),3.10(d,J=14.4Hz,1H),2.97(ddd,J=15.4,6.6,3.3Hz,1H),2.19(d,J=15.4Hz,1H),2.10(t,J=12.1Hz,1H),1.77-1.63(m,4H),0.98(t,J=7.4Hz,3H);13CNMR(CDCl3,100MHz)174.3,148.9,136.0,133.9,131.5,131.3,130.5,129.8,127.2,124.2,122.5,119.8,118.6,112.6,111.2,74.3,68.3,60.4,53.6,52.6,39.4,37.9,37.2,33.7,33.6,26.4,7.4;
〔α〕23 D+21(c0.24,CHCl3);IR(film)3385,2930,1726,1546,1461,1440,1372,1347,1166,909,735,581cm−1;1HNMR(CDCl3,400MHz)8.56(s,1H),7.98(dd,J=7.7,1.5Hz,1H),7.76(td,J=7.7,1.5Hz,1H),7.72(td,J=7.7,1.5Hz,1H),7.64(dd,J=7.7,1.5Hz,1H),7.50(d,J=7.9Hz,1H),7.33(d,J=7.9Hz,1H),7.16(t,J=7.9Hz,1H),7.08(t,J=7.9Hz,1H),4.15(dd,J=10.0,2.4Hz,1H),4.02(m,1H),3.70(s,3H),3.58(dd,J=10.8,6.1Hz,1H),3.54(dd,J=10.8,5.7Hz,1H),3.40(d,J=15.4Hz,1H),3.31(m,3H),2.77(d,J=15.4Hz,1H),2.44(m,1H),2.17(dt,J=13.9,2.4Hz,1H),1.80(dt,J=13.9,10.8Hz,1H),1.05(m,4H),0.40(t,J=7.4Hz,3H);13CNMR(CDCl3,100MHz)174.3,149.0,136.0,134.1,132.4,131.5,131.0,130.3,127.6,124.2,122.5,119.8,118.6,111.1,110.8,73.0,68.6,61.8,53.9,52.5,42.2,37.5,37.5,36.0,34.6,25.6,7.1;
IR(film)3514,3393,2956,1728,1595,1546,1461,1440,1354,1173,962,754,667,580cm−1;1HNMR(CDCl3,400MHz)8.67(s,(1/2)1H),8.51(s,(1/2)1H),7.89(d,J=8.0Hz,(1/2)1H),7.81(d,J=8.0Hz,(1/2)1H),7.77(d,J=8.0Hz,(1/2)2H),7.73-7.57(m,4H),7.43(d,J=7.1Hz,1H),7.36(d,J=7.1Hz,1H),7.32(d,J=8.0Hz,(1/2)2H),7.18(t,J=7.1Hz,(1/2)1H),7.16(t,J=7.1Hz,(1/2)1H),7.11(d,J=8.0Hz,(1/2)2H),7.06(t,J=7.1Hz,(1/2)1H),7.04(t,J=7.1Hz,(1/2)1H),4.23-4.07(m,2H),3.92(dd,J=9.5,6.6Hz,(1/2)1H),3.86(dd,J=9.8,7.1Hz,(1/2)1H),3.80(m,(1/2)1H),3.70(s,(1/2)3H),3.69(s,(1/2)3H),3.38(d,J=15.0Hz,1H),3.25(m,1H),3.17(m,(1/2)1H),3.10(m,(1/2)1H),2.97(d,J=15.0Hz,(1/2)1H),2.63(d,J=15.0Hz,(1/2)1H),2.50(m,(1/2)1H),2.42(s,(1/2)3H),2.32(s,(1/2)3H),2.21(dt,J=13.9,1.5Hz,(1/2)1H),1.94(d,J=15.9Hz,(1/2)1H),1.83(m,1H),1.49(m,2H),1.28(m,2H),1.02(m,2H),0.77(t,J=7.4Hz,(1/2)3H),0.37(t,J=7.4Hz,(1/2)3H);
〔α〕28 D+27(c0.32,CHCl3);IR(film)3414,2952,2879,1778,1740,1614,1548,1498,1461,1434,1396,1226,1175,1043,913,817,734,668,580,554cm−1;1HNMR(CDCl3,400MHz)10.56(brs,1H),9.42(brs,1H),7.86(dd,J=7.8,1.2Hz,1H),7.78(td,J=7.8,1.2Hz,1H),7.76(d,J=8.3Hz,1H),7.70(td,J=7.8,1.2Hz,1H),7.64(dd,J=7.8,1.2Hz,1H),7.41(s,1H),7.34(d,J=7.3Hz,1H),7.32(d,J=8.3Hz,2H),7.14(d,J=7.3Hz,1H),7.11(t,J=7.3Hz,1H),6.94(t,J=7.3Hz,1H),5.91(dd,J=10.2,3.7Hz,1H),5.81(dd,J=10.2,3.7Hz,1H),5.57(s,1H),5.27(d,J=10.2Hz,1H),4.12(d,J=9.7Hz,1H),3.90(d,J=16.0Hz,1H),3.80(s,3H),3.79(m,1H),3.71(s,3H),3.64(d,J=9.7Hz,1H),3.44(s,3H),3.44(m,1H),3.36(t,J=7.3Hz,1H),3.29(m,1H),3.16(dd,J=16.0,6.1Hz,1H),3.04(d,J=16.6Hz,1H),2.94(t,J=12.2Hz,1H),2.82(m,2H),2.81(s,1H),2.70(m,1H),2.63(s,3H),2.54(m,2H),2.41(s,3H),2.09(s,3H),1.89(m,3H),1.71(m,2H),1.58(brs,2H),1.30(m,3H),0.59(t,J=7.4Hz,3H),0.43(t,J=7.3Hz,3H);13CNMR(CDCl3,100MHz)177.1,177.0,172.3,170.9,158.5,155.8,155.4,155.0,153.2,148.8,145.0,135.1,134.5,134.0,132.4,131.6,131.3,130.2,129.9,128.0,127.7,127.7,125.4,124.6,124.0,122.5,121.6,120.1,119.0,117.5,115.1,112.2,111.1,108.4,94.4,94.1,77.2,72.9,68.0,55.7,54.1,53.0,52.8,52.6,52.4,51.0,50.7,43.4,39.5,37.8,37.7,31.6,30.7,29.3,25.2,21.6,21.1,8.8,7.0;
AIBN = アゾビスイソブチロニトリル
Bn = ベンジル
Boc = t−ブトキシカルボニル基
DBU = 1、8−ジアザビシクロウンデセン
DEAD = ジエチルアゾジカルボン酸
DIBAL = 水素化ジイソブチルアルミニウム
DMAP = 4−ジメチルアミノピリジン
DMF = ジメチルホルムアミド
Et = エチル基
LDA = リチウムジイソプロピルアミド
Me = メチル基
Ns = 2−ニトロベンゼンスルホニル基
Ph = フェニル基
Py = ピリジン
TBDPS = t−ブチルジフェニルシリル基
TES = トリエチルシリル基
TFA = トリフルオロアセチル基またはトリフルオロ酢酸
TFAA = トリフルオロ酢酸無水物
THF = テトラヒドロフラン
THP = テトラヒドロピラニル基
TMS = トリメチルシリル基
Ts = p−トルエンスルホニル基
Claims (1)
- 一般式Cからなる一般式Aの製造用中間体。
(一般式C中R1、R2、R3およびR4はH、低級アルキル基、低級アルコキシ基、ハロゲン、低級パーフルオロアルキル基、低級アルキルチオ基、ヒドロキシ基、アミノ基、モノ−又はジ−アルキルまたはアシルアミノ基、低級アルキルまたはアリ−ルスルホニルオキシ基から独立に選択される基である。R5はHまたは低級アルキル基または置換または非置換アリール基、R6は炭素数4までのアルキル基、R10は、炭素数4までのアルキル基および置換基を有していても良いアリール基から独立に選択され、かつ、それぞれの基で選択され3つの基は同一でも異なっていても良い。また、R11、R12は炭素数4までのアルキル基および置換基を有していても良いアリール基から独立に選択され、かつ、それぞれの基で選択され3つの基は同一でも異なっていても良い。R13はトリアルキルシリル基、テトラヒドロピラニル基もしくは他の低級アルコールとのアセタール構造である。)
(式中R1、R2、R3およびR4は、H、低級アルキル基、低級アルコキシ基、ハロゲン、低級パーフルオロアルキル基、低級アルキルチオ基、ヒドロキシ基、アミノ基、モノ−又はジ−アルキルまたはアシルアミノ基、低級アルキルまたはアリ−ルスルホニルオキシ基から独立に選択される基である。R5はHまたは低級アルキル基または置換または非置換アリール基、R6は炭素数4までのアルキル基、R7、R8は置換または非置換のアリール基、R9はアシル基またはトリアルキルシリル基である。)
尚、ビンドリン類の命名における番号付けは、Men等により提唱された方法に基づく(非特許文献10)
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