一种立体专一性的合成环状亚砜亚胺、亚磺酰胺、磺酰胺的方法

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专利名称::一种立体专一性的合成环状亚砜亚胺、亚磺酰胺、磺酰胺的方法
技术领域
:本发明涉及一种高效的制备环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺的方法。该方法得到的环状化合物在不对称合成、含氟药物以及含氟材料领域中有着非常广泛的应用。
背景技术
:含氟化合物在药物设计和材料化学中有着重要的应用。选择性地向有机分子中引入氟原子或含氟基团,可以大大提高母体分子原有的生理活性。因此,选择性氟化和氟垸基化反应的研究在农药、医药以及材料科学领域中也受到人们越来越多的关注。尽管氟化、三氟甲基化反应的研究已经相当成熟,但是二氟甲基化反应的研究仍然相对较少。由于二氟甲基(-CF2H)和羟甲基(-CH2OH)具有最相近的等极性和等体性,并且还可以作为亲酯性的氢键供体,因此,含二氟甲基的化合物在生命科学领域中具有重要的研究价值。环状亚砜亚胺1是一类重要的有机化合物然而对于此类化合物,文献中的相关报道却非常少,仅在JOg.CZem.1978,43,1824.有一例报道,该方法从邻甲N-、1<formula>formulaseeoriginaldocumentpage4</formula>硫基苯甲醇出发,需要经过氯化、氧化、亚胺化等一系列转化,最终以很低的产率得到环状亚砜亚胺。然而对于环状含氟亚砜亚胺文献却一直没有报道。环状亚磺酰胺2也是一类重要的有机化合物,尽管文献C/ze肌五d2<formula>formulaseeoriginaldocumentpage4</formula>2006,",633.对这类化合物的合成有相关的报道,但由于自由基反应存在的缺陷,使得从该方法制备环状亚磺酰胺受到了很大的限制,并且对于环状含氟亚磺酰胺,文献一直没有报道。在本文中,我们对环状含氟亚砜亚胺进行转化,几乎以定量的产率得到环状含氟亚磺酰胺。环状磺酰胺3也是一类重要的有机化合物,作为磺胺类药物在生命科学领域中得到了广泛的应用。根据文献JOg.1997,62,7047.报道的方法,以saccharin(糖精)为起始原料,经过亲核加成、不对称氢化等步骤可以合成环状磺酰胺,但该方法成本较高,产率较低。在本文中,本发明人对环状亚磺酰胺进行氧化,可以高效地得到相应的环状磺酰胺。
发明内容本发明的目的是提供一种高效的合成环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺的方法。该制备方法具有成本低、产率高、反应条件温和、环境友好、可重复性好等特点。本发明的环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺及其衍生物是具有如下结构式的化合物其中,Ri为ClC6的烷基、苯基、萘基、C1C4的烷苯基、C1C4的垸氧基苯基、卤代苯基、卤代萘基或苯乙烯基;R2为苯磺酰基二氟甲基、二氟甲基或苯磺酰基甲基;W为C1C6的垸基;R"为氢、C1C6的垸基或C1C6的烷氧基;R5为氢、C1C6的烷基或C1C4的垸氧基。所述的C1C6的垸基推荐是甲基、环丙基或叔丁基。5本发明的方法可以用下述典型的反应式表示:R3<formula>formulaseeoriginaldocumentpage6</formula>R2|^"C3^R4CH2Cl2'0°C~rt'8hR、'1^UJ^R4CH2CI2,—780C,1h3R5上述反应式中R1、R2、R3、R4、和RS如前所述。TMS是三甲基硅基;TfO是三氟甲磺酸根。本发明的方法是在室温条件下,本发明的方法是在室温条件下,在有机溶剂中和CsF的引发下,亚磺酰亚胺4和苯炔前体5发生反应l15h,生成R2为苯磺酰基二氟甲基的环状亚砜亚胺l。在该反应中,亚磺酰亚胺4和苯炔前体5和CsF的的摩尔比为h1~5:1~10;推荐亚磺酰亚胺4和苯炔前体5和CsF的的摩尔比为摩尔比为化合物l:2~4:3~6。当环状亚砜亚胺1中含有砜基时,在Mg/Dioxane或HOAc/AcONa条件下,分子内的砜基可以顺利脱除,得到R2为二氟甲基的环状亚砜亚胺1;进一步描述如下在有机溶剂中和0。C下,R2为苯磺酰基二氟甲基的环状亚砜亚胺l、HOAc-NaOAc和Mg自然升至室温,反应210h;所述的R2为苯磺酰基二氟甲基的环状亚砜亚胺l、NaOAc和Mg的摩尔比为1:1~10:5~50;所述的HOAc是醋酸;NaOAc是醋酸钠。同时,上述的环状亚砜亚胺1在HC1(Dioxane)条件下,可以顺利转化为环状亚磺酰胺2。环状亚磺酰胺2经mCPBA氧化,可以得到环状磺酰胺3。如在有机溶剂中和0°C至室温下,环状亚磺酰胺2和wCPBA反应l~10h获得环状磺酰胺3,所述的环状亚磺酰胺2和mCPBA的摩尔比为h1~3。其中,环状亚磺酰胺2可以在有机溶剂中和-78°C下,环状亚砜亚胺1和HC1(Dioxane)反应0.5~lh获得。所述的HC1(Dioxane)系将HC1气体通入Dioxane中,Dioxane作为载体吸收HC1的气体作为反应物;所述的环状亚砜亚胺1和HC1的摩尔比为l:1~6。所述的wCPBA是间氯过氧苯甲酸;所述的Dioxane是二氧六环。本发明的方法中,所述的有机溶剂可以是极性有机溶剂,如CH3CN、醋酸、二甲基甲酰胺、二氧六环、CH2C12.CHC13、丙酮等一种或二三种极性有机混合溶剂。采用本发明的方法,不仅反应方法简便、具有成本低、产率高、反应条件温和、环境友好、可重复性好等特点,而且反应都具有高度的立体专一性,所得产物都为光学纯的化合物。具体实施例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。实施例结果分别见表l、表2、表3和表4等。<formula>formulaseeoriginaldocumentpage7</formula>实例亚胺4R1产物1产率(%)非对映选择性14aPh1a87>99:124b3-MeC6H41b81>99:134c4-MeC6H41c62>99:144d4-CIC6H41d73>99:154e4-BrC6H41e78>99:164f3-MeOC6H41f76>99:14g4-MeOC6H4ig80>99:184h6-bromo-2-naphthyl1h90>99:194i(£>PhCH=CH1i61>99:1104J,Pr1j36>99:1表2旧uPhSC^CFf^R1CsFCH3CN80。C,12hPhS02CF2/,R1k>s实例亚胺4芳炔前体5产物1产率(%)非对映选择性14a(R1=Ph)24d(R1=4-CIC6H4)34f(R1=3-MeOC6H4)Me3SiTfO5bMeMe化111m1n1o1p1q1r8070787572746260>99:1>99:1>99:1>99:1>99:1>99:1>99:1>99:144a(R1=Ph)54b(R1=3-MeC6H4)64f(R1=3-MeOC6H4)4a(R1=Ph)Me3Si84f(R1=3-MeOC6H4)TfO■OMeOMe4a(R1=Ph)Me3SiTfOMe1s5e91(46:54)>99:1环状亚砜亚胺1的典型制备方法室温下,向4a(0.3mmol,0.120g),5a(0.9腿ol,0.268g),CH3CN(5.0mL)的混合物中加入CsF(1.5mmol,0.228g),室温反应12h,TLC跟踪反应完成。加水淬灭,Et20萃取(30mLx3),无水MgS04干燥。除去溶剂,柱层析(乙酸乙酯:石油醚=1:3)得产品la0.124g,产率87%。Mp:138—140oC.[a]D"—45.1(c0.8,CHC13).!HNMR:S8.03—7.87(m,5H),7.69-7.55(m,3H),7.47(t,/=7.4Hz,3H),7.26(d,《/=7.4Hz,3H),1.47(s,9H).19F8NMR:S-97.7(<!,/=233.9Hz,IF),-100.0((!,/=233.8Hz,IF)."C画R:S148.0(d,/=1.5Hz),139.1,136.2,135.1,134.8,133.2,131.3,130.1,128.9,128.4,128.2,127.7(d,J=4.4Hz),126.2(d,■/=2.8Hz),123.8,122.9(t,J=298.0Hz),63.8,24.9(d,/=2.2Hz).MS(ESI,m/z):498.1(M+Na、元素分析(Anal.Calcdfor)C24H23F2N03S2计算值C,60.61;H,4.87;N,2.95;实测值(Found):C,60.93;H,4.78;N,2.73.IR(film):3061,1585,1451,1360,1222,1153,1113cm-1.变更不同的取代基原料,制备方法如前。化合物lb的表征数据<formula>formulaseeoriginaldocumentpage9</formula>Mp:147—1490C.[a]D22~42.6(c0.75,CHC13).!HNMR:S7.99(d,■/=7.8Hz,IH),7.90(d,J=7.4Hz,2H),7.77—7.55(m,5H),7.47(q,/=7.0Hz,3H),7.15(t,/=7.7Hz,IH),7.03(d,J=7.4Hz,1H),2.30(s,3H),1.51(s,9H).19FNMR:S-97.1(d,/=234.3Hz,IF),-99.8(d,/=234.3Hz,IF).13CNMR:5152.7(d,/=1.8Hz),143.5(t,7=2.8Hz),142.2,140.8,139.7,139.3,137.7,135.8,134.6,133.7,133.4,132.9(d,J=3.7Hz),132.6,130.8(d,/=2.8Hz),129.2((!,/=6.4Hz),128.3,127.5(t,/=296.9Hz),85.6(t,■/=21.8Hz),68.4,29.6(d,/=2.4Hz),26.5.MS(ESI,/n/z):512.1(M+Na+).HRMS(ESI):calcd.forC25H25F2N03S2:(M+Na+):512.1136;Found:512.1143.IR(film):1736,1449,1349,1224,1113,964,755cm_1.化合物1C的表征数据<formula>formulaseeoriginaldocumentpage9</formula>Mp:148—150。C.[a]D23-35.9(c0.9,CHC13).'HNMR:58.00(d,J=7.9Hz,1H),7.92(d,/=7.9Hz,2H),7.83(d,/=7.6Hz,2H),7.69—7.55(m,3H),7.48(t,7.9Hz,3H),7.08(d,/=7.6Hz,2H),2.28(s,3H),1.46(s,9H).iyF画R:S-98.0(d,/=233.1Hz,1F),-99.9(d,/=233.1Hz,IF).13C画R:S148.2(d,/=2.6Hz),138.1,136.3,136.2(t,《/=2.6Hz),135.0,134.7,133.2,131.3,129.9,128.9(d,J-6.1Hz),127.6(d,/=4.8Hz),126.2((!,/=3.1Hz),123.8,122.9(t,/=295.3Hz),80.9(t,/=21.4Hz),63.7,24.9(d,/=2.5Hz),21.2.MS(ESI,/n/z):512.1(M+Na+).HRMS(ESI):calcd.forC25H25F2N03S2:(M+H":490.1317;Found:490.1328.IR(film):1450,1337,1330,1213,1171,1114cm-1.化合物Id的表征数据<formula>formulaseeoriginaldocumentpage10</formula>Mp:139-1410C.[a]D23-36.7(c1.0,CHC13).工HNMR:S7.96((!,/=8.0Hz,IH),7.90((!,/=8.0Hz,4H),7.71—7.57(m,3H),7.55—7.46(m,3H),7.23((!,/=8.5Hz,2H),1.46(s,9H).19FNMR:S-97.9(d,/=239.4Hz,IF),—100.5(d,/=239.4Hz,IF).13CNMR:S147.6((!,/=1.7Hz),137.8(t,/=2.6Hz),136.1,135.1,134.9,134.5,133.4,131.2,130.3,129.2(d,J:5.1Hz),129.0,128.3,126.0((!,/=2.9Hz),123.9,122.6(t,/=296.8Hz),80.6(t,/=21.8Hz),63.9,24.9(d,J=2.3Hz).MS(ESI,w/z):532.1(M+Na+).Anal.CalcdforC24H22C1F2N03S2:C,56.52;H,4.35;N,2.75;Found:C,56.16;H,4.45;N,2.55.IR(film):1492,1445,1344,1221,1168,1114,963cm-1.化合物le的表征数据<formula>formulaseeoriginaldocumentpage10</formula>Mp:148—150。C.[a]D23-35.5(c0.9,CHC13).'HNMR:S7.95((!,/=7.8Hz,IH):7.908.2Hz,2H),7.83(d,■/=8.0Hz,2H),7.71-7.57(m,3H),7.55-7.45(m:3H),7.38(d,/=8.0Hz,2H),1.46(s,9H).iyFNMR:S—97.9(d,/=238.6Hz,1F),-100.5(d,/=236.3Hz,IF).13CNMR:S147.5(d,《/=2.3Hz),138.4(t,/=2.9Hz),136.0,135.1,134.9,133.4,131.3,131.2,130.3,129.6(dd,/=5.2,1.7Hz),129.0,126.0((!,/=2.9Hz),123.9,122.9,122.6(t,/=298.3Hz),80.7(t,/=21.8Hz),63.9,24.9(d,/=2.3Hz).MS(ESI,m/z):576.0(M+Na+).HRMS(ESI):calcd.forC24H22BrF2N03S2:(M+f):554.0265;Found:554.0277.IR(film):1580,1487,1446,1335,1223,1154,1012,961cm-1.化合物lf的表征数据Mp:126-128。C.[a]D23-42.7(c0.8,CHC13).NMR:S7.97(d,J=7.6Hz,IH),7.91(d,/=7.6Hz,2H),7.69—7.43(m,8H),7.18(t,/=8.0Hz,1H),6.76(dd,/=8.0,2.7Hz,1H),3.76(s,3H),1.49(s,9H).19FNMR:5-97.2(d,/=231.0Hz,IF),-99.8(d,J=231.0Hz,IF).13CNMR:S163.9,152.5,145.3,140.8,139.7,139.3,137.8,135.9,134.6,133.6,133.4,130.8,128.4,124.4(d,■/=6.8Hz),118.4,68.4,59.9,29.5(d,《/=2.3Hz).MS(ESI,—:528.1(M+Na+).HRMS(ESI):calcd.forC25H25F2N04S2:(M+H+):506.1266;Found:506.1288.IR(film):1736,1604,1583,1450,1347,1223,1113,755cm-1.化合物lg的表征数据<formula>formulaseeoriginaldocumentpage11</formula>Mp:149-1510C.[a]D23-28.4(c0.8,CHC13).!HNMR:S7.98((!,■/=8.0Hz,1H),7.91(d,/=7.6Hz,2H),7.85(d,/=8.0Hz,2H),7.69—7.55(m,3H),7.48(t,/=7.5Hz,3H),6.78(d,《/=8.0Hz,2H),3.74(s,3H),1.47(s,9H).19FNMR:S-97.9(d,/=233.0Hz,IF),-100.2(d,/=233.1Hz,1F)."CNMR:5159.3,148.1,136.1,134.7,134.5,132.9,130.9,130.8(t,J-2.9Hz),129.7,128.8((!,■/=5.1Hz),128.6,125.8(d,/=3.3Hz),123.5,122.6(t,/=297.8Hz),113.2,80.5(t,21.8Hz),63.4,55.1,24.6(d,/=2.4Hz).MS(ESI,/n/z):528.1(M+Na+).HRMS(ESI):calcd.forC25H25F2N04S2:(M+Na+):528.1085;Found:528.1102.IR(film):1608,1510,1450,1344,1253,1218,1181,1114cm-1.化合物lh的表征数据Mp:100-103。C.[ct]D20-36.0(c0.8,CHC13).工HNMR:58.40(s,1H),8.06(t,/=7.9Hz,2H),7.90(s,1H),7.87(d,■/=7.4Hz,2H),7.69(t,■/=8.3Hz,2H),7.65—7.44(m,5H),7.40(W=7.9Hz,2H),1.52(s,9H).19FNMR:5-96.6(d,/=234.3Hz,IF),-99.6(d,■/=234.2Hz,IF).13C画R:S147.3((!,/=2.1Hz),136.8(t,/=2.1Hz),135.6,134.8,134.6,133.8,133.1,131.2,130.9,130.5,129.9,129.2,129.1,128.6,127.3(d,J=2.2Hz),126.5,125.9(t,/=3.1Hz),123.7,122.5(t,J=299.9Hz),120.3,80.8(t,/=21.6Hz),63.6,24.6((!,■/=2.3Hz).MS(ESI,zw/z):626.1(M+Na+).HRMS(ESI):calcd.forC28H24BrF2N03S2:(M+Na+):626.0241;Found:626.0272.IR(film):1734,1585,1449,1348,1223,1154,1113,1062cm-1.化合物li的表征数据Mp:145-1470C.[a]D23-34.6(c1.0,CHC13).'HNMR:S8.06((!,/=7.7Hz,2H),7.73((!,/=7.6Hz,2H),7.65-7.46(m,5H),7.33(d,/=7.6Hz,2H),7.28—7.14(m,3H),6.91(d,/=15.3Hz,IH),6.72(dd,15.2,3.3Hz,IH),1.48(s,9H).19FNMR:S-100.9(d,/=235.2Hz,IF),-105.4(d,/=233.0Hz,IF)."C画R:S146.8(d,/=3.0Hz),136.3,135.6,134.8,134.2,133.1,131.6,131.2,130.0,128.7,128.2,127.7,127.1,126.0(dd,3.7,2.4Hz),125.4(d,《/=4.3Hz),124.1,122.3(t,J-298.1Hz),80.4(t,/=21.7,Hz),63.4,24.6(d,/=2.3Hz).MS(ESI,m/z):524.1(M+Na+).Anal.CalcdforC26H25F2N03S2:C,62.26;H,5.02;N,2.79;Found:C,61.96;H,5.12;N,2.62.IR(film):1581,1449,1341,1222,1156,1113,1017,600cm-1.化合物lj表征数据Mp:58—60oC.[a]D2j-25.8(c0.6,CHC13).NMR:S8.00(d,/=8.0Hz,2H),7.85(d,J=7.6Hz,IH),7.72(t,/=7.6Hz,IH),7.65(t,《/=7.6Hz,IH),7.62—7.50(m,4H),3.17-3.05(m,1H),1.39(s,9H),1.02(dd,/=6.6,3.6Hz,3H),0.91((!,/=7.0Hz,3H).19FNMR:S-92.8(d,/=240.4Hz,IF),-94.2(d,/=240.4Hz,IF).13C羅R:S145.2(d,J=3.5Hz),136.9,135.6,134.7,132.3,130.8,129.9,128.9,126.3((!,/=3.0Hz),123.7,123.6(t,J=295.7Hz),83.8(dd,■/=20.1,16.5Hz),63.7,34.9,24.7,19.1(d,/=2.9Hz),18.6(d,/=7.5Hz).MS(ESI,w/z):464.1(M+Na+).HRMS(ESI):calcd.forC21H25F2N03S2:(M+Na+):464.1136;Found:464.1152.IR(film):2973,1449,1349,1222,1157,1104,754,589cm-1.化合物lk的表征数据Mp:95-97°C.[a〗D23—11.5(c0.9,CHC13).&NMR:S7.90—7.78(m,4H),7.63(s,IH),7.52(t,/=7.7Hz,IH),7.38(t,/=7.7Hz,2H),7.31(s,IH),7.22-7.10(m,2.26(s,3H),2.19(s,3H),1.37(s,9H).19FNMR:S-97.4(d,/=238.9Hz,IF),—99.9(d,/=238.8Hz,1F).13CNMR:S150.6,147.8,144.1,140.9,139.2,137.3,135.9,13133.4,132.7(d,《/=2.4Hz),132.1(d,/=5.6Hz),131.3(d,/=2.9Hz),128.6,127.6(t,/=295.4Hz),85.2(t,/=22.4Hz),68.1,29.5(d,/=2.4Hz),25.6,24.8.MS(ESI,w/z):526.1(M+Na+).HRMS(ESI):calcd.forC26H27F2N03S2:(M+H^:504.1473;Found:504.1485.IR(film):1449,1347,1224,1164,1113,1052,962,686cm—1.化合物11的表征数据Mp:159-1610C.[a]D"-1.0(c0.75,CHC13).!H画R:S7.86—7.78(m,4H),7.56(t,/=7.4Hz,2H),7.40(t,J=7.8Hz,2H),7.32(s,1H),7.14(d,/=8.2Hz,2H),2.27(s,3H),2.21(s,3H),1.36(s,9H).19F應R:5-97.6(d,/=231.8Hz,IF),-100.4(d,■/=231.9Hz,IF).13CNMR:S145.3,143.2,139.5,137.9,135.9,134.5,134.0,132.4,130.9,128.8(d,《/=5.4Hz),128.7,127.9,126.3(d,/=3.0Hz),123.9,63.3,24.6(d,/=2.1Hz),20.7,19.9.MS(ESI,m/z):560.1(M+Na+).HRMS(ESI):calcd.forC26H26C1F2N03S2:(M+Na+):560.0903;Found:560.0898.IR(film):1492,1449,1348,1224,1165,964,686cm-1.化合物lm的表征数据Mp:149—151。C.[a]D21—6.8(c0.75,CHC13).'HNMR:S7.91(d,/=7.7Hz,2H),7.66(s,1H),7.60(t,/=7.3Hz,IH),7.53(d,/=7.7Hz,1H),7.45(t,/=7.7Hz,3H),7.40(s,IH),7.18(t,《/=8.1Hz,1H),6.75(dd,/=8.2,2.5Hz,IH),3.76(s,3H),2.33(s,3H),2.28(s,3H),1.48(s,9H).19FNMR:S-96.7(d,/=229.8Hz,IF),-99.5(d,/=229.8Hz,1F).13CNMR:S159.1,145.7,142.9,140.9,139.3,136.1,134.4,132.4,131.1,128.8,128.5,126.5,123.7,122.8(t,/=298.8Hz),119.5((!,/=7.5Hz),113.5,14113.4((!,/=4.5Hz),80.4(t,/=21.4Hz),63.3,55.1,24.7((!,/=2.2Hz),20.7,19.9.MS(ESI,556.1(M+Na+).HRMS(ESI):calcd.forC27H29F2N04S2:(M+Na4):556.1398;Found:556.1407.IR(film):1600,1450,1351,1223,1162,1123,1055,968cm-1.化合物In的表征数据Mp:85—88。C.[a]D22-10.5(c0.95,CHC13).'HNMR:S7.87(d,《/=7.4Hz,2H),7.82(d,/=7.8Hz,2H),7.67(s,1H),7.52(t,■/=7.4Hz,IH),7.37(t,《/=7.8Hz,3H),7.23-7.10(m,3H),2.92-2.70(m,4H),2.14-1.92(m,2H),1.38(s,9H).19FNMR:S-97.4(d,/=232.4Hz,IF),-99.8(d,/=233.8Hz,IF).13CNMR:S156.0,152.0,151.6,144.2(t乂2.6Hz),140.9,139.2,137.9,135.9,133.4,132.7,132.2((!,/=5.3Hz),126.2(d,《/=3.1Hz),123.7,68.1,37.7,37.1,30.7,29.5((!,■/=2.2Hz).MS(ESI,m/z):538.2(M+Na+).HRMS(ESI):calcd.forC27H27F2N03S2:(M+H+):516.1473;Found:516.1487.IR(film):2968,1448,1347,1223,1168,1112,1048,964cm—化合物10的表征数据Mp:92-950C.[a]D22-8.5(c0.8,CHC13).^NMR:S7.81(d,《/=7.5Hz,2H),7.64(t,7=7.9Hz,3H),7.51(t,《/=7.4Hz,1H),7.35(t,/=7.7Hz,3H),7.07(t,《/=7.9Hz,1H),6.93((!,/=7.4Hz,1H),2.92—2.70(m,4H),2.21(s,3H),2.13—1.93(m,2H),1.41(s,9H).19F画R:S-96.5(d,《/=232.7Hz,IF),-99.6((!,/=234.7Hz,IF).13CNMR:S151.1,147.1,146.8,139.2,137.3,136.1,134.3,133.1,131.0,128.7,128.5,128.0((!,■/=4.6Hz),127.7,124.1(d,J=7.0Hz),121.4(d,/=2.9Hz),118.8,63.3,PhS02CF2',)Ph32.9,32.2,25.9,24.7(d,《/=2.3Hz),21.7.MS(ESI,m/z):552.2(M+Na十).HRMS(ESI):calcd.forC28H29F2N03S2:(M+Na""):552.1449;Found:552.1454.IR(film):2968,1449,1348,1223,1167,1116,964,597cm_1.化合物lp的表征数据-Mp:83—86。C.[a]D21~4.7(c0.7,CHC13).!HNMR:S7.91(d,/=7.7Hz,2H),7.70(s,IH),7.60(t,/=7.3Hz,1H),7.53(d,J=8.1Hz,IH),7.45(t,/=7.2Hz,4H),7.17(t,J=8.2Hz,IH),6.75(d,/=8.1Hz,IH),3.76(s,3H),3.01—2.78(m,4H),2.22-2.00(m,2H),1.48(s,9H).19FNMR:S—96.6(d,■/=234.5Hz,IF),—99.5(d,/=234.6Hz,1F).13CNMR:S159.1,151.2,147.2,146.7,141.0,136.1,134.4,133.1,131.1,128.8,128.5,121.5(d,3.1Hz),119.4(d,/=7.4Hz),118.8,113.4,113.3,63.3,55.2,32.8,32.3,25.9(d,J=2.3Hz),24.7.MS(ESI,附/z):568.2(M+Na+).HRMS(ESI):calcd.forC28H29F2N04S2:(M+Na+):568.1398;Found:568.1393.IR(film):2960,1601,1450,1347,1222,1167,1116,1049cm-1.化合物lq的表征数据Mp:135-1370C.[a]D22-29.9(c0.85,CHC13).^NMR:S7.92(t,J=7.3Hz,4H),7.62(t,/=7.8Hz,1H),7.47(t,■/=7.9Hz,2H),7.35—7.20(m,4H),6.98(s,IH),3.96(s,3H),3.83(s,3H),1.45(s,9H).19FNMR:S-97.2(d,/=232.6Hz,IF),-99.4(d,/=235.8Hz,IF).13CNMR:5158.1,155.5,146.7(d,/=2.2Hz),144.0(W=2.6Hz),140.9,139.3,135.9,133.5,132.8,131.9(d,J-5.7Hz),130.8,127.6C296.9Hz),111.9((!,/=3.1Hz),109.2,85.2C21.1Hz),68.2,61.2,61.1,29.5(d,/=2.0Hz).MS(ESI,/n/z):558.1(M+Na+).HRMS(ESI):calcd.forC26H27F2N05S2:(M+Na+):558.1191;Found:558.1193.IR(film):1585,1501,1449,1348,1279,1218,1168cm-1.化合物lr的表征数据Mp:81-830C.[a]D21-21.2(c0.8,CHC13).画R:S7.91(d,7.6Hz,2H),7.61(t,/=7.6Hz,1H),7.53-7.42(m,4H),7.28(s,IH),7.18(t,/=8.0Hz,1H),6.98(s,IH),6.76(dd,/=8.0,2.5Hz,1H),3.94(s,3H),3.85(s,3H),3.76(s,3H),1.46(s,9H).19FNMR:S-96.5(d,/=234.8Hz,IF),-99.1((!,/=234.9Hz,IF).13CNMR:5159.2,153.3,150.6,141.8((!,/=2.3Hz),140.9(t,3.0Hz),135.9,134.4,131.1,128.8,128.6,125.9,119.2(d,/=6.8Hz),113.5,113.3,107.13.4Hz),104.3,63.4,56.35,56.30,55.1,24.7(d,/=2.2Hz).MS(ESI,w/z):588.1(M+Na+).HRMS(ESI):calcd.forC27H29F2N06S2:(M+Na+):588.1297;Found:588.1294.IR(film):1601,1500,1348,1279,1217,1170,1056cm—1.17<table>tableseeoriginaldocumentpage18</column></row><table>环状亚砜亚胺lt的典型制备方法0。C下,向la(0.2腿ol,0.095g),DMF(3.0mL),HOAc/NaOAc[1:1,M(OAc)=8mol/L](2.0mL)的混合物中加入Mg(4.0mmol,0.096g),体系自然升至室温,反应8h,TLC跟踪反应完成。加水,Et20萃取(30mLx3),无水MgS04干燥。除去溶剂,柱层析(乙酸乙酯:石油醚二l:3)得产品lt0.063g,产率94%。D21+20.2(c1.1,CHC13).NMR:S7.83(d,/=7.8Hz,1H),7.80—7.70(q,/=7.4Hz,3H),7.63(t,■/=7.4Hz,1H),7.55(t,■/=7.5Hz,1H),7.35—7.21(m,3H),6.15(t,/=55.9Hz,1H),1.61(s,9H).19FNMR:S-122.3((!(!,/=271.7,56.9Hz,1F),-123.4(dd,■/=271.7,56.9Hz,IF).13CNMR:5147.7,141.0,136.9,133.6,130.6,129.3,128.7,127.9(t,《/=1.9Hz),127.6(t,/=1.9Hz),124.6,118.2(W=250.7Hz),80.1(t,J=21.8Hz),63.9,25.7.MS(ESI,w/z):336.1(M+IT).HRMS(ESI):calcd.forC18H19F2NOS:(M+H+):336.1228;Found:336.1225.IR(film):2974,1452,1366,1218,1080,962,757cm—1.变更不同原料的取代基,制备方法与上类似:化合物111的表征数据:D21+30.3(c0.65,CHC13).画R:S7.83(d,/=7.6Hz,IH),7.77(d,/=7.7Hz,IH),7.61(t,/=7.3Hz,IH),7.57-7.46(m,3H),7.20(t,/=7.6Hz,IH),7.06(d,/=7.4Hz,IH),6.17(t,《/=56.1Hz,IH),2.32(s,3H),1.60(s,9H).19FNMR:S-122.2(dd,/=271.8,56.7Hz,IF),-123.3(dd,/=271.8,56.7Hz,IF).13CNMR:S147.7,140.9((!,/=1.1Hz),138.9,136.9,133.6,130.6,129.5,129.1,128.7(t,/=1.9Hz),127.6(t,J=1.9Hz),124.8(t,/=2.3Hz),124.5,118.2(t,/=250.4Hz),80.1(t,/=21.4Hz),63.9,25.8,22.5.MS(ESI,zw/z):350.0(M+H+).HRMS(ESI):calcd.forC19H21F2NOS:(M+H+):350.1385;Found:350.1378.IR(film):2977,1606,1458,1365,1221,1093,1079,964cm-1.化合物lv的表征数据<formula>formulaseeoriginaldocumentpage19</formula>Mp:102-105oC.[a]D22+20.2(c0.85,CHC13).'H画R:S7.737.6Hz,IH),7.68(d,J=7.6Hz,IH),7.52(t,J=7.6Hz,IH),7.45(t,■/=7.6Hz,IH),7.23((!,/=7.1Hz,2H),7.15(t,■/=7.6Hz,IH),6.71(d,/=7.6Hz,IH),6.09(t,J=55.9Hz,IH),3.68(s,3H),1.52(s,9H).19F画R:S-122.1(dd,/=228,53.4Hz,IF),-123.1(dd,/=228,54.9Hz,IF).13CNMR:S160.4,147.6,142.6,136.8,133.7,130.6,130.2,127.5C1.6Hz),124.5,119.9(t,/=2.4Hz),118.1(t,J=249.2Hz),U4.3:113.9(t,/=1.7Hz),80.1(t,《/=21.7Hz),63.9,56.0,25.7.MS(ESI,w/z):366.0(M+H+).HRMS(ESI):calcd.forC19H21F2N02S:(M+H+):366.1334;Found:366.1318.IR(film):1602,1465,1263,1207,1175,1072,965,762cm—1.化合物1W的表征数据:Mp:120-123。C[a]D22+28.1(c0.75,CHC13).!HNMR:S7.74((!,《/=7.9Hz,1H),7.67(d,/=7.9Hz,1H),7.57(d,J=8.6Hz,2H),7.52(t,</=7.8Hz,IH),7.44(t,《/=7.4Hz,IH),6.75(d,/=8.6Hz,2H),6.02(t,《/=56.1Hz,IH),3.66(s,3H),1.51(s,9H).19F画R:S-122.7(d,J=57.5Hz).13CNMR:S159.9,148.0,133.6,133.1,136.9,130.5,129.2(t,/=2.0Hz),127.5(t,J:1.8Hz),124.5,118.3(t,J=252.0Hz),114.5,79.6(t,J=22.0Hz),63.8,56.0,25.7.MS(ESI,附/z):366.0(M+H+).HRMS(ESI):calcd.forC19H21F2N02S:(M+H+):366.1334;Found:366.1333.IR(film):2969,1610,1512,1463,1300,1259,1222,1068cm_1.化合物lx的表征数据Mp:107—110oC.[a]D"+67.8(c0.9,CHC13).'HNMR:57.51(d,J=4.0Hz,2H),7.34-7.29(m,2H),7.23(t,/=8.1Hz,IH),6.78(d,/=7.8Hz,IH),6.14(t,/=56.0Hz,IH),3.76(s,3H),2.34(s,6H),1.60(s,9H).19FNMR:5—122.2(d,《/=58.7Hz).13CNMR:S160.3,145.7,143.7,142.9,140.1,134.4,130.1,128.0,124.7,119.9(t,/=2.4Hz),118.2(t,251.2Hz),114.2,113.8,79.7(t,/=22.1Hz),63.7,56.0,25.8,21.5,20.9.MS(ESI,;n/z):394.0(M+H^.HRMS(ESI):calcd.forC21H25F2N02S:(M+tf):394.1647;Found:394.1647.IR(film)1602,1258,1201,1145,1080,1021,694cm-1.化合物ly的表征数据20Mp:52-55。C.[a]D23+62.4(c0.7,CHC13).NMR:S7.54(s,2H),7.33(s,2H),7.23(t,/=7.9Hz,1H),6.79((!,/=8.4Hz,IH),6.14(t,《/=55.8Hz,IH),3.77(s,3H),2.95(t,/=7.3Hz,4H),2.24-2.04(m,2H),1.60(s,9H).19FNMR:5-122.4(d,/=53.5Hz).13CNMR:S160.3,151.9,147.9,146.7,143.1,134.9,130.1,122.9,119.9,119.7,118.3(t,/=249.4Hz),114.2,113.8,79.2(t,/=21.6Hz),63.7,56.0,33.6,33.2,26.8,25.8.MS(ESI,附/z):406.1(M+H*).HRMS(ESI):calcd.forC22H25F2N02S:(M+H^:406.1647;Found:406.1648.IR(film):2971,1602,1489,1435,1255,1219,1054,960cm—1.旧u'zON气PhS02CF2,Da实施例3表4HC'(。i國e).PhS02CF,R4CH2CI2,-78。C,化R1实例底物1产物2产率(%)非对映选择性11a(R1=Ph,R4=R5=H)2398>99:121h(R1=6-bromo-2-naphthyl,R4=R5=H)2h94>99:131i(R1=(£)-PhCH=CH,R4=R5=H)2i96>99:141j(R1=/Pr,R4=R5=H)2j91>99:151k(Ri=Ph,R4=R5=Me)2k92>99:161n(R1=Ph,R4+R5=(CH2)3)2n95>99:1环状亚磺酰胺2的典型制备方法-78°C下,向la(0.2mmol,0.084g),CH2C12(8mL)的混合物中缓慢加入预先制作的HCl(Dioxane)(1.6mL,2.5M)将HCl气体通入Dioxane中,Dioxane21作为载体吸收HC1的气体作为反应物,取含有2.5MHC1气体的Dioxane1.6mL,在此温度下反应lh,TLC跟踪反应完成。然后加入饱和NaHC03中和盐酸。012<:12萃取(30mLx3),无水MgS04干燥。除去溶剂,柱层析(乙酸乙酯:石油醚=1:3)得产品2a0.082g,产率98%。丄HNMR:S7.90(d,/=6.6Hz,2H),7.86—7.75(m,3H),7.69(t,/=7.3Hz,2H),7.60-7.46(m,4H),7.33(d,J=6.0Hz,3H),6.47(s,1H).19FNMR:S—99.3(d,/=238.2Hz,IF),-100.9((!,/=238.1Hz,IF).13CNMR:S145.5,137.9,135.8,135.4,133.6,131.9,130.6,130.4,129.2,129.0,128.7,126.8(q,/=1.8Hz),125.6(q,■/=1.4Hz),125,4,120.9(dd,/=301.9,302.6Hz),79.8(t,J=21.0Hz).MS(ESI,w/z):420.3(M+H+).HRMS(ESI):calcd.forC20H15F2NO3S2:(M+f):420.0534;Found:420.0531.IR(film):3385,1449,1339,1149,1085,1060,752,541cm—1.变更不同原料的取代基,方法与上类似化合物2h的表征数据丄HNMR:S8.38(s,1H),7.96(t,/=8.5Hz,2H),7.84(d,/=7.2Hz,1H),7.78((!,/=7.2Hz,2H),7.75—7.60(m,4H),7.57—7.48(m,3H),7.44(t,/=7.9Hz,2H),6.61(s,1H).19F雇R:S-99.2(d,/=237.7Hz,IF),-100.7(d,/=237.7Hz,IF).13CNMR:S145.6,137.6,135.5,134.1,133.7,133.4,132.0,131.2,130.8,130.5,130.4,129.9,129.3,129.2,127.5,126.7(q,■/=2.1Hz),125.7((!,/=3.0Hz),125.5,125.1(d,/=2.4Hz),121.1,120.9(t,/=299.0Hz),79.9(W=21.0Hz).MS(ESI,一548.4(M+H+).HRMS(ESI):calcd.forC24H16BrF2N02S2:(M+H+):547.9796;Found:547.9795.IR(film):3370,1585,1449,1336,1149,1062,757,574cm-1.HNPhS02CF2".i_22化合物2i的表征数据:<formula>formulaseeoriginaldocumentpage23</formula>JHNMR:S8.02(d,/=8.0Hz,2H),7.89(d,/=6.4Hz,1H),7.78(t,/=7.2Hz,1H),7.70-7.57(m,5H),7.47(d,/=7.1Hz,2H),7.41-7.24(m,4H),6.81(d,/=15.1Hz,1H),6.33(s,1H).19F丽R:5-105.9(d,J=234.1Hz,1F),-107.1(d,/=234.1Hz,IF).13CNMR:S145.4,137.2,135.7,135.5,134.7,133.1,132.0,130.8,130.7,129.4,128.5,128.4,127.3,125.6,125.1(d,《/=4.8Hz),122.7((!,/=3.2Hz),120.2(t,J=299.0Hz),78.7(t,/=21.6Hz).MS(ESI,m/z):446.3(M+H+).HRMS(ESI):calcd.forC22H17F2N03S2:(M+H+):446.0691;Found:446.0696.IR(film):1449,1336,1189,1151,1092,1062,751,685cm—1.化合物2j的表征数据<formula>formulaseeoriginaldocumentpage23</formula>NMR:S7.84(d,/=8.0Hz,3H),7.72(t,/=7.2Hz,IH),7.67-7.50(m,5H),5.55(s,1H),2.80-2.65(m,1H),1.11((!,■/=6.1Hz,3H),0.95(d,/=6.5Hz,3H).19FNMR:S—98.6(d,/=242.6Hz,IF),—101.3(d,/=242.6Hz,IF).13CNMR:S146.8,135.5(d,/=4.5Hz),135.3,133.6,131.5,130.9,130.4,129.2,125.5,125.4C1.8Hz),121.7(t,J=300.2Hz),80.1(t,/=19.8Hz),33.6,18.4(d,J=4.7Hz),17.7(d,/=1.7Hz).MS(ESI,Wz):386.2(M+H+).HRMS(ESI):calcd.forC17H17F2N03S2:(M+H*):386.0691;Found:386.0687.IR(film):2977,1584,1450,1348,1158,1047,757,590,538cm-1.化合物2k的表征数据'HNMR:S7.89(d,/=7.3Hz,2H),7.77((!,/=8.1Hz,2H),7.68(t,/=7.3Hz,1H),7.55(s,1H),7.49(t,/=7.7Hz,2H),7.38(s,IH),7.32(d,《/=6.1Hz,3H),6.35(s,IH),2.29(s,3H),2.27(s,3H).19FNMR:S-99.5((!,/=237.7Hz,IF),-100.8(d,/=236.4Hz,1F).13CNMR:S143.1,141.5,140.0,136.1,135.5,135.3,133.7,130.3,129.1,128.8,128.6,126.7(q,/=2.2Hz),126.2(q,/=1.1Hz),125.8,121.0(dd,/=301.5,302.4Hz),79.5(t,J=22.2Hz),20.4,19.8.MS(ESI,w/z):448.3(M+H^.HRMS(ESI):calcd.forC22H19F2N03S2:(M+H+):448.0847;Found:448.0842.IR(film):1583,1449,1338,1184,1149,1086,1066,587cm-1.化合物2n的表征数据<formula>formulaseeoriginaldocumentpage24</formula>'HNMR:S7.89(d,/=7.2Hz,2H),7.78(d,/=7.8Hz,2H),7.68(t,/=7.9Hz,1H),7.59(s,IH),7.50(t,/=7.2Hz,2H),7.44(s,1H),7.32((!,/=5.9Hz,3H),6.36(s,1H),3.00—2.80(m,4H),2.20-2.00(m,2H).19FNMR:5—99.3236.0Hz,IF),-100.8(d,《/=236.0Hz,IF).13CNMR:5149.5,147.8,143.8,136.2,136.1,135.3,133.7,130.4,129.2,128.9,128.6,126.8(q,/=2.2Hz),121.3,121.1(dd,■/=302.7,302.7Hz),120.8,79.3(t,20.9Hz),32.8,32.4,25.7.MS(ESI,m/z):460.3(M+IT).HRMS(ESI):calcd.forC23H19F2N03S2:(M+『)460.0847;Found:460.0846.IR(film):3167,1583,1447,1347,1145,1108,1066,1042cm-1.HNPh实施例4<formula>formulaseeoriginaldocumentpage25</formula>环状磺酰胺3的典型制备方法0°C下,向2a(0.15mmol,0.063g),CH2C12(5mL)的混合物中加入twCPBA(0.3mmol,0.052g)。体系自然升至室温,反应8h,TLC跟踪反应完成。除去溶剂,柱层析(乙酸乙酯:石油醚=1:3)得产品3a0.059g,产率90%。力NMR:S7.95-7.79(m,5H),7.71(t,/=7.1Hz,2H),7.66-7.51(m,4H),7.40(d,/=5.3Hz,3H),6.55(s,1H).19FNMR:S-97.9(d,/=238.3Hz,IF),-100.2(d,/=238.3Hz,IF).13CNMR:S135.8,135.0,134.5,134.4,133.4,133.3,130.9,130.6,129.6,129.4,129.0,126.9(d,J=3.9Hz),126.5(d,/=3.1Hz),121.8,120.4(dd,J^303.1,303.0Hz),69.8(t,《/=22.2Hz).MS(ESI,w/z):453.2(M+NH4+)。2权利要求1,一种环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺及其衍生物的合成方法,其特征是分别由下述步骤合成(1)环状亚砜亚胺1的合成在室温条件下,在有机溶剂中和CsF的引发下,亚磺酰亚胺4和苯炔前体5发生反应1~15h,生成环状亚砜亚胺1;亚磺酰亚胺4、苯炔前体5和CsF的的摩尔比为亚磺酰亚胺4∶苯炔前体5∶CsF=1∶1~5∶1~10;(2)环状亚砜亚胺1合成当环状亚砜亚胺1中含有砜基时,在有机溶剂中和0℃下,R2为苯磺酰基二氟甲基的环状亚砜亚胺1、NaOAc/HOAc和Mg自然升至室温,反应2~10h得到R2为二氟甲基的环状亚砜亚胺1;所述的R2为苯磺酰基二氟甲基的环状亚砜亚胺1、NaOAc和Mg的摩尔比为1∶1~10∶5~50;所述的HOAc是醋酸;NaOAc是醋酸钠;(3)环状亚磺酰胺2的合成在有机溶剂中和-78℃下,步骤(1)或(2)获得的环状亚砜亚胺1和HCl气体反应0.5~1h获得,所述的环状亚砜亚胺1和HCl气体的摩尔比为1∶1~6;(4)环状磺酰胺3的合成在有机溶剂中和0℃至室温下,步骤(3)获得的环状亚磺酰胺2和mCPBA反应1~10h获得环状磺酰胺3,所述的环状亚磺酰胺2和mCPBA的摩尔比为1∶1~3;所述的mCPBA是间氯过氧苯甲酸;其中,亚磺酰亚胺4、苯炔前体5、环状亚砜亚胺1、环状亚磺酰胺2、环状磺酰胺3具有如下结构式结构式中,R1为C1~C6的烷基、苯基、萘基、C1~C4的烷苯基、C1~C4的烷氧基苯基、卤代苯基、卤代萘基或苯乙烯基;R2为苯磺酰基二氟甲基、二氟甲基或苯磺酰基甲基;R3为C1~C6的烷基;R4为氢、C1~C6的烷基或C1~C6的烷氧基;R5为氢、C1~C6的烷基或C1~C4的烷氧基。2,一种环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺及其衍生物的合成方法,其特征是所述的有机溶剂是极性有机溶剂。3,一种环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺及其衍生物的合成方法,其特征是步骤(1)中所述的亚磺酰亚胺4、苯炔前体5和CsF的的摩尔比为亚磺酰亚胺4:苯炔前体5:CsF=l:2~4:3~6。4,一种环状亚砜亚胺、环状亚磺酰胺、环状磺酰胺及其衍生物的合成方法,其特征是步骤G)中所述的HC1气体系溶解在二氧六环溶剂中。全文摘要本发明涉及一种立体专一性地合成环状亚砜亚胺、亚磺酰胺、磺酰胺的方法,在室温条件下,在有机溶剂中和CsF的引发下,亚磺酰亚胺4和苯炔前体5发生反应1~15h,生成环状亚砜亚胺1;环状亚砜亚胺1中含有砜基时,在Mg/HOAc/AcONaDMF/H<sub>2</sub>O条件下,分子内的砜基可以顺利脱除,得到环状亚砜亚胺1;环状亚砜亚胺1在HCl(Dioxane)条件下,可以顺利转化为环状亚磺酰胺2;环状亚磺酰胺2经mCPBA氧化,可以得到环状磺酰胺3。本发明方法具有成本低、产率高、反应条件温和、环境友好、可重复性好等特点。文档编号C07D275/00GK101665470SQ200910195908公开日2010年3月10日申请日期2009年9月18日优先权日2009年9月18日发明者张来俊,胡金波申请人:中国科学院上海有机化学研究所
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