CN101665470A - 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 - Google Patents

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 Download PDF

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CN101665470A
CN101665470A CN200910195908A CN200910195908A CN101665470A CN 101665470 A CN101665470 A CN 101665470A CN 200910195908 A CN200910195908 A CN 200910195908A CN 200910195908 A CN200910195908 A CN 200910195908A CN 101665470 A CN101665470 A CN 101665470A
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胡金波
张来俊
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Shanghai Institute of Organic Chemistry of CAS
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Abstract

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/H2O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。

Description

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,选择性氟化和氟烷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J.Org.Chem.1978,43,1824.有一例报道,该方法从邻甲
Figure G2009101959081D00011
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Angew.Chem.Int.Ed.
Figure G2009101959081D00012
2006,45,633.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J.Org.Chem.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:
Figure G2009101959081D00022
其中,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。所述的C1~C6的烷基推荐是甲基、环丙基或叔丁基。
本发明的方法可以用下述典型的反应式表示:
Figure G2009101959081D00031
上述反应式中R1、R2、R3、R4、和R5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1~15h,生成R2为苯磺酰基二氟甲基的环状亚砜亚胺1。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1∶1~5∶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1∶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℃下,R2为苯磺酰基二氟甲基的环状亚砜亚胺1、HOAc-NaOAc和Mg自然升至室温,反应2~10h;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。
同时,上述的环状亚砜亚胺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。如在有机溶剂中和0℃至室温下,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。其中,环状亚磺酰胺2可以在有机溶剂中和-78℃下,环状亚砜亚胺1和HCl(Dioxane)反应0.5~1h获得。所述的HCl(Dioxane)系将HCl气体通入Dioxane中,Dioxane作为载体吸收HCl的气体作为反应物;所述的环状亚砜亚胺1和HCl的摩尔比为1∶1~6。所述的mCPBA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、CHCl3、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1、表2、表3和表4等。
实施例1
表1
表2
Figure G2009101959081D00051
环状亚砜亚胺1的典型制备方法:
室温下,向4a(0.3mmol,0.120g),5a(0.9mmol,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,Et2O萃取(30mL×3),无水MgSO4干燥。除去溶剂,柱层析(乙酸乙酯∶石油醚=1∶3)得产品1a 0.124g,产率87%。
Figure G2009101959081D00052
Mp:138-140℃.[α]D 22-45.1(c 0.8,CHCl3).1H NMR:δ8.03-7.87(m,5H),7.69-7.55(m,3H),7.47(t,J=7.4Hz,3H),7.26(d,J=7.4Hz,3H),1.47(s,9H).19FNMR:δ-97.7(d,J=233.9Hz,1F),-100.0(d,J=233.8Hz,1F).13C NMR:δ148.0(d,J=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,J=2.8Hz),123.8,122.9(t,J=298.0Hz),63.8,24.9(d,J=2.2Hz).MS(ESI,m/z):498.1(M+Na+).元素分析(Anal.Calcd for)C24H23F2NO3S2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1b的表征数据:
Mp:147-149℃.[α]D 22-42.6(c 0.75,CHCl3).1H NMR:δ7.99(d,J=7.8Hz,1H),7.90(d,J=7.4Hz,2H),7.77-7.55(m,5H),7.47(q,J=7.0Hz,3H),7.15(t,J=7.7Hz,1H),7.03(d,J=7.4Hz,1H),2.30(s,3H),1.51(s,9H).19F NMR:δ-97.1(d,J=234.3Hz,1F),-99.8(d,J=234.3Hz,1F).13C NMR:δ152.7(d,J=1.8Hz),143.5(t,J=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,J=2.8Hz),129.2(d,J=6.4Hz),128.3,127.5(t,J=296.9Hz),85.6(t,J=21.8Hz),68.4,29.6(d,J=2.4Hz),26.5.MS(ESI,m/z):512.1(M+Na+).HRMS(ESI):calcd.for C25H25F2N03S2:(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:
Figure G2009101959081D00062
Mp:148-150℃.[α]D 23-35.9(c 0.9,CHCl3).1H NMR:δ8.00(d,J=7.9Hz,1H),7.92(d,J=7.9Hz,2H),7.83(d,J=7.6Hz,2H),7.69-7.55(m,3H),7.48(t,J=7.9Hz,3H),7.08(d,J=7.6Hz,2H),2.28(s,3H),1.46(s,9H).19F NMR:δ-98.0(d,J=233.1Hz,1F),-99.9(d,J=233.1Hz,1F).13C NMR:δ148.2(d,J=2.6Hz),138.1,136.3,136.2(t,J=2.6Hz),135.0,134.7,133.2,131.3,129.9,128.9(d,J=6.1Hz),127.6(d,J=4.8Hz),126.2(d,J=3.1Hz),123.8,122.9(t,J=295.3Hz),80.9(t,J=21.4Hz),63.7,24.9(d,J=2.5Hz),21.2.MS(ESI,m/z):512.1(M+Na+).HRMS(ESI):calcd.for C25H25F2NO3S2:(M+H+):490.1317;Found:490.1328.IR(film):1450,1337,1330,1213,1171,1114cm-1.
化合物1d的表征数据:
Figure G2009101959081D00071
Mp:139-141℃.[α]D 23-36.7(c 1.0,CHCl3).1H NMR:δ7.96(d,J=8.0Hz,1H),7.90(d,J=8.0Hz,4H),7.71-7.57(m,3H),7.55-7.46(m,3H),7.23(d,J=8.5Hz,2H),1.46(s,9H).19F NMR:δ-97.9(d,J=239.4Hz,1F),-100.5(d,J=239.4Hz,1F).13C NMR:δ147.6(d,J=1.7Hz),137.8(t,J=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(d,J=2.9Hz),123.9,122.6(t,J=296.8Hz),80.6(t,J=21.8Hz),63.9,24.9(d,J=2.3Hz).MS(ESI,m/z):532.1(M+Na+).Anal.Calcd for C24H22ClF2NO3S2: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1e的表征数据:
Mp:148-150℃.[α]D 23-35.5(c 0.9,CHCl3).1H NMR:δ7.95(d,J=7.8Hz,1H),7.90(d,J=8.2Hz,2H),7.83(d,J=8.0Hz,2H),7.71-7.57(m,3H),7.55-7.45(m,3H),7.38(d,J=8.0Hz,2H),1.46(s,9H).19F NMR:δ-97.9(d,J=238.6Hz,1F),-100.5(d,J=236.3Hz,1F).13C NMR:δ147.5(d,J=2.3Hz),138.4(t,J=2.9Hz),136.0,135.1,134.9,133.4,131.3,131.2,130.3,129.6(dd,J=5.2,1.7Hz),129.0,126.0(d,J=2.9Hz),123.9,122.9,122.6(t,J=298.3Hz),80.7(t,J=21.8Hz),63.9,24.9(d,J=2.3Hz).MS(ESI,m/z):576.0(M+Na+).HRMS(ESI):calcd.forC24H22BrF2NO3S2:(M+H+):554.0265;Found:554.0277.IR(film):1580,1487,1446,1335,1223,1154,1012,961cm-1.
化合物1f的表征数据:
Mp:126-128℃.[α]D 23-42.7(c 0.8,CHCl3).1H NMR:δ7.97(d,J=7.6Hz,1H),7.91(d,J=7.6Hz,2H),7.69-7.43(m,8H),7.18(t,J=8.0Hz,1H),6.76(dd,J=8.0,2.7Hz,1H),3.76(s,3H),1.49(s,9H).19F NMR:δ-97.2(d,J=231.0Hz,1F),-99.8(d,J=231.0Hz,1F).13C NMR:δ163.9,152.5,145.3,140.8,139.7,139.3,137.8,135.9,134.6,133.6,133.4,130.8,128.4,124.4(d,J=6.8Hz),118.4,68.4,59.9,29.5(d,J=2.3Hz).MS(ESI,m/z):528.1(M+Na+).HRMS(ESI):calcd.forC25H25F2NO4S2:(M+H+):506.1266;Found:506.1288.IR(film):1736,1604,1583,1450,1347,1223,1113,755cm-1.
化合物1g的表征数据:
Figure G2009101959081D00082
Mp:149-151℃.[α]D 23-28.4(c 0.8,CHCl3).1H NMR:δ7.98(d,J=8.0Hz,1H),7.91(d,J=7.6Hz,2H),7.85(d,J=8.0Hz,2H),7.69-7.55(m,3H),7.48(t,J=7.5Hz,3H),6.78(d,J=8.0Hz,2H),3.74(s,3H),1.47(s,9H).19F NMR:δ-97.9(d,J=233.0Hz,1F),-100.2(d,J=233.1Hz,1F).13C NMR:δ159.3,148.1,136.1,134.7,134.5,132.9,130.9,130.8(t,J=2.9Hz),129.7,128.8(d,J=5.1Hz),128.6,125.8(d,J=3.3Hz),123.5,122.6(t,J=297.8Hz),113.2,80.5(t,J=21.8Hz),63.4,55.1,24.6(d,J=2.4Hz).MS(ESI,m/z):528.1(M+Na+).HRMS(ESI):ca1cd.forC25H25F2NO4S2:(M+Na+):528.1085;Found:528.1102.IR(film):1608,1510,1450,1344,1253,1218,1181,1114cm-1.
化合物1h的表征数据:
Figure G2009101959081D00091
Mp:100-103℃.[α]D 20-36.0(c 0.8,CHCl3).1H NMR:δ8.40(s,1H),8.06(t,J=7.9Hz,2H),7.90(s,1H),7.87(d,J=7.4Hz,2H),7.69(t,J=8.3Hz,2H),7.65-7.44(m,5H),7.40(t,J=7.9Hz,2H),1.52(s,9H).19F NMR:δ-96.6(d,J=234.3Hz,1F),-99.6(d,J=234.2Hz,1F).13C NMR:δ147.3(d,J=2.1Hz),136.8(t,J=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,J=3.1Hz),123.7,122.5(t,J=299.9Hz),120.3,80.8(t,J=21.6Hz),63.6,24.6(d,J=2.3Hz).MS(ESI,m/z):626.1(M+Na+).HRMS(ESI):calcd.for C28H24BrF2NO3S2:(M+Na+):626.0241;Found:626.0272.IR(film):1734,1585,1449,1348,1223,1154,1113,1062cm-1.
化合物1i的表征数据:
Figure G2009101959081D00092
Mp:145-147℃.[α]D 23-34.6(c 1.0,CHCl3).1H NMR:δ8.06(d,J=7.7Hz,2H),7.73(d,J=7.6Hz,2H),7.65-7.46(m,5H),7.33(d,J=7.6Hz,2H),7.28-7.14(m,3H),6.91(d,J=15.3Hz,1H),6.72(dd,J=15.2,3.3Hz,1H),1.48(s,9H).19F NMR:δ-100.9(d,J=235.2Hz,1F),-105.4(d,J=233.0Hz,1F).13C NMR:δ146.8(d,J=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,J=3.7,2.4Hz),125.4(d,J=4.3Hz),124.1,122.3(t,J=298.1Hz),80.4(t,J=21.7,Hz),63.4,24.6(d,J=2.3Hz).MS(ESI,m/z):524.1(M+Na+).Anal.Calcd for C26H25F2NO3S2: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1j表征数据:
Mp:58-60℃.[α]D 23-25.8(c 0.6,CHCl3).1H NMR:δ8.00(d,J=8.0Hz,2H),7.85(d,J=7.6Hz,1H),7.72(t,J=7.6Hz,1H),7.65(t,J=7.6Hz,1H),7.62-7.50(m,4H),3.17-3.05(m,1H),1.39(s,9H),1.02(dd,J=6.6,3.6Hz,3H),0.91(d,J=7.0Hz,3H).19F NMR:δ-92.8(d,J=240.4Hz,1F),-94.2(d,J=240.4Hz,1F).13CNMR:δ145.2(d,J=3.5Hz),136.9,135.6,134.7,132.3,130.8,129.9,128.9,126.3(d,J=3.0Hz),123.7,123.6(t,J=295.7Hz),83.8(dd,J=20.1,16.5Hz),63.7,34.9,24.7,19.1(d,J=2.9Hz),18.6(d,J=7.5Hz).MS(ESI,m/z):464.1(M+Na+).HRMS(ESI):calcd.for C21H25F2NO3S2:(M+Na+):464.1136;Found:464.1152.IR(film):2973,1449,1349,1222,1157,1104,754,589cm-1.
化合物1k的表征数据:
Figure G2009101959081D00102
Mp:95-97℃.[α]D 23-11.5(c 0.9,CHCl3).1H NMR:δ7.90-7.78(m,4H),7.63(s,1H),7.52(t,J=7.7Hz,1H),7.38(t,J=7.7Hz,2H),7.31(s,1H),7.22-7.10(m,3H),2.26(s,3H),2.19(s,3H),1.37(s,9H).19F NMR:δ-97.4(d,J=238.9Hz,1F),-99.9(d,J=238.8Hz,1F).13C NMR:δ150.6,147.8,144.1,140.9,139.2,137.3,135.9,133.4,132.7(d,J=2.4Hz),132.1(d,J=5.6Hz),131.3(d,J=2.9Hz),128.6,127.6(t,J=295.4Hz),85.2(t,J=22.4Hz),68.1,29.5(d,J=2.4Hz),25.6,24.8.MS(ESI,m/z):526.1(M+Na+).HRMS(ESI):calcd.for C26H27F2NO3S2:(M+H+):504.1473;Found:504.1485.IR(film):1449,1347,1224,1164,1113,1052,962,686cm-1.
化合物1l的表征数据:
Figure G2009101959081D00111
Mp:159-161℃.[α]D 22-1.0(c 0.75,CHCl3).1H NMR:δ7.86-7.78(m,4H),7.56(t,J=7.4Hz,2H),7.40(t,J=7.8Hz,2H),7.32(s,1H),7.14(d,J=8.2Hz,2H),2.27(s,3H),2.21(s,3H),1.36(s,9H).19F NMR:δ-97.6(d,J=231.8Hz,1F),-100.4(d,J=231.9Hz,1F).13C NMR:δ145.3,143.2,139.5,137.9,135.9,134.5,134.0,132.4,130.9,128.8(d,J=5.4Hz),128.7,127.9,126.3(d,J=3.0Hz),123.9,63.3,24.6(d,J=2.1Hz),20.7,19.9.MS(ESI,m/z):560.1(M+Na+).HRMS(ESI):calcd.forC26H26ClF2NO3S2:(M+Na+):560.0903;Found:560.0898.IR(film):1492,1449,1348,1224,1165,964,686cm-1.
化合物1m的表征数据:
Figure G2009101959081D00112
Mp:149-151℃.[α]D 21-6.8(c 0.75,CHCl3).1H NMR:δ7.91(d,J=7.7Hz,2H),7.66(s,1H),7.60(t,J=7.3Hz,1H),7.53(d,J=7.7Hz,1H),7.45(t,J=7.7Hz,3H),7.40(s,1H),7.18(t,J=8.1Hz,1H),6.75(dd,J=8.2,2.5Hz,1H),3.76(s,3H),2.33(s,3H),2.28(s,3H),1.48(s,9H).19F NMR:δ-96.7(d,J=229.8Hz,1F),-99.5(d,J=229.8Hz,1F).13C NMR:δ159.1,145.7,142.9,140.9,139.3,136.1,134.4,132.4,131.1,128.8,128.5,126.5,123.7,122.8(t,J=298.8Hz),119.5(d,J=7.5Hz),113.5,113.4(d,J=4.5Hz),80.4(t,J=21.4Hz),63.3,55.1,24.7(d,J=2.2Hz),20.7,19.9.MS(ESI,m/z):556.1(M+Na+).HRMS(ESI):calcd.for C27H29F2NO4S2:(M+Na+):556.1398;Found:556.1407.IR(film):1600,1450,1351,1223,1162,1123,1055,968cm-1.
化合物1n的表征数据:
Figure G2009101959081D00121
Mp:85-88℃.[α]D 22-10.5(c0.95,CHCl3).1H NMR:δ7.87(d,J=7.4Hz,2H),7.82(d,J=7.8Hz,2H),7.67(s,1H),7.52(t,J=7.4Hz,1H),7.37(t,J=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).19F NMR:δ-97.4(d,J=232.4Hz,1F),-99.8(d,J=233.8Hz,1F).13C NMR:δ156.0,152.0,151.6,144.2(t,J=2.6Hz),140.9,139.2,137.9,135.9,133.4,132.7,132.2(d,J=5.3Hz),126.2(d,J=3.1Hz),123.7,68.1,37.7,37.1,30.7,29.5(d,J=2.2Hz).MS(ESI,m/z):538.2(M+Na+).HRMS(ESI):calcd.for C27H27F2NO3S2:(M+H+):516.1473;Found:516.1487.IR(film):2968,1448,1347,1223,1168,1112,1048,964cm-1.
化合物1o的表征数据:
Figure G2009101959081D00122
Mp:92-95℃.[α]D 22-8.5(c 0.8,CHCl3).1H NMR:δ7.81(d,J=7.5Hz,2H),7.64(t,J=7.9Hz,3H),7.51(t,J=7.4Hz,1H),7.35(t,J=7.7Hz,3H),7.07(t,J=7.9Hz,1H),6.93(d,J=7.4Hz,1H),2.92-2.70(m,4H),2.21(s,3H),2.13-1.93(m,2H),1.41(s,9H).19F NMR:δ-96.5(d,J=232.7Hz,1F),-99.6(d,J=234.7Hz,1F).13CNMR:δ151.1,147.1,146.8,139.2,137.3,136.1,134.3,133.1,131.0,128.7,128.5,128.0(d,J=4.6Hz),127.7,124.1(d,J=7.0Hz),121.4(d,J=2.9Hz),118.8,63.3,32.9,32.2,25.9,24.7(d,J=2.3Hz),21.7.MS(ESI,m/z):552.2(M+Na+).HRMS(ESI):calcd.for C28H29F2NO3S2:(M+Na+):552.1449;Found:552.1454.IR(film):2968,1449,1348,1223,1167,1116,964,597cm-1.
化合物1p的表征数据:
Figure G2009101959081D00131
Mp:83-86℃.[α]D 21-4.7(c0.7,CHCl3).1H NMR:δ7.91(d,J=7.7Hz,2H),7.70(s,1H),7.60(t,J=7.3Hz,1H),7.53(d,J=8.1Hz,1H),7.45(t,J=7.2Hz,4H),7.17(t,J=8.2Hz,1H),6.75(d,J=8.1Hz,1H),3.76(s,3H),3.01-2.78(m,4H),2.22-2.00(m,2H),1.48(s,9H).19F NMR:δ-96.6(d,J=234.5Hz,1F),-99.5(d,J=234.6Hz,1F).13C NMR:δ159.1,151.2,147.2,146.7,141.0,136.1,134.4,133.1,131.1,128.8,128.5,121.5(d,J=3.1Hz),119.4(d,J=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,m/z):568.2(M+Na+).HRMS(ESI):calcd.for C28H29F2NO4S2:(M+Na+):568.1398;Found:568.1393.IR(film):2960,1601,1450,1347,1222,1167,1116,1049cm-1.
化合物1q的表征数据:
Figure G2009101959081D00132
Mp:135-137℃.[α]D 22-29.9(c 0.85,CHCl3).1H NMR:δ7.92(t,J=7.3Hz,4H),7.62(t,J=7.8Hz,1H),7.47(t,J=7.9Hz,2H),7.35-7.20(m,4H),6.98(s,1H),3.96(s,3H),3.83(s,3H),1.45(s,9H).19F NMR:δ-97.2(d,J=232.6Hz,1F),-99.4(d,J=235.8Hz,1F).13C NMR:δ158.1,155.5,146.7(d,J=2.2Hz),144.0(t,J=2.6Hz),140.9,139.3,135.9,133.5,132.8,131.9(d,J=5.7Hz),130.8,127.6(t,J=296.9Hz),111.9(d,J=3.1Hz),109.2,85.2(t,J=21.1Hz),68.2,61.2,61.1,29.5(d,J=2.0Hz).MS(ESI,m/z):558.1(M+Na+).HRMS(ESI):calcd.for C26H27F2NO5S2:(M+Na+):558.1191;Found:558.1193.IR(film):1585,1501,1449,1348,1279,1218,1168cm-1.
化合物1r的表征数据:
Figure G2009101959081D00141
Mp:81-83℃.[α]D 21-21.2(c 0.8,CHCl3).1H NMR:δ7.91(d,J=7.6Hz,2H),7.61(t,J=7.6Hz,1H),7.53-7.42(m,4H),7.28(s,1H),7.18(t,J=8.0Hz,1H),6.98(s,1H),6.76(dd,J=8.0,2.5Hz,1H),3.94(s,3H),3.85(s,3H),3.76(s,3H),1.46(s,9H).19F NMR:δ-96.5(d,J=234.8Hz,1F),-99.1(d,J=234.9Hz,1F).13C NMR:δ159.2,153.3,150.6,141.8(d,J=2.3Hz),140.9(t,J=3.0Hz),135.9,134.4,131.1,128.8,128.6,125.9,119.2(d,J=6.8Hz),113.5,113.3,107.1(d,J=3.4Hz),104.3,63.4,56.35,56.30,55.1,24.7(d,J=2.2Hz).MS(ESI,m/z):588.1(M+Na+).HRMS(ESI):calcd.for C27H29F2NO6S2:(M+Na+):588.1297;Found:588.1294.IR(film):1601,1500,1348,1279,1217,1170,1056cm-1.
实施例2
表3
Figure G2009101959081D00151
环状亚砜亚胺1t的典型制备方法:
0℃下,向1a(0.2mmol,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,Et2O萃取(30mL×3),无水MgSO4干燥。除去溶剂,柱层析(乙酸乙酯∶石油醚=1∶3)得产品1t 0.063g,产率94%。
Figure G2009101959081D00152
[α]D 21+20.2(c 1.1,CHCl3).1H NMR:δ7.83(d,J=7.8Hz,1H),7.80-7.70(q,J=7.4Hz,3H),7.63(t,J=7.4Hz,1H),7.55(t,J=7.5Hz,1H),7.35-7.21(m,3H),6.15(t,J=55.9Hz,1H),1.61(s,9H).19F NMR:δ-122.3(dd,J=271.7,56.9Hz,1F),-123.4(dd,J=271.7,56.9Hz,1F).13C NMR:δ147.7,141.0,136.9,133.6,130.6,129.3,128.7,127.9(t,J=1.9Hz),127.6(t,J=1.9Hz),124.6,118.2(t,J=250.7Hz),80.1(t,J=21.8Hz),63.9,25.7.MS(ESI,m/z):336.1(M+H+).HRMS(ESI):calcd.for C18H19F2NOS:(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1u的表征数据:
Figure G2009101959081D00161
[α]D 21+30.3(c0.65,CHCl3).1H NMR:δ7.83(d,J=7.6Hz,1H),7.77(d,J=7.7Hz,1H),7.61(t,J=7.3Hz,1H),7.57-7.46(m,3H),7.20(t,J=7.6Hz,1H),7.06(d,J=7.4Hz,1H),6.17(t,J=56.1Hz,1H),2.32(s,3H),1.60(s,9H).19F NMR:δ-122.2(dd,J=271.8,56.7Hz,1F),-123.3(dd,J=271.8,56.7Hz,1F).13C NMR:δ147.7,140.9(d,J=1.1Hz),138.9,136.9,133.6,130.6,129.5,129.1,128.7(t,J=1.9Hz),127.6(t,J=1.9Hz),124.8(t,J=2.3Hz),124.5,118.2(t,J=250.4Hz),80.1(t,J=21.4Hz),63.9,25.8,22.5.MS(ESI,m/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1v的表征数据:
Mp:102-105℃.[α]D 22+20.2(c 0.85,CHCl3).1H NMR:δ7.73(d,J=7.6Hz,1H),7.68(d,J=7.6Hz,1H),7.52(t,J=7.6Hz,1H),7.45(t,J=7.6Hz,1H),7.23(d,J=7.1Hz,2H),7.15(t,J=7.6Hz,1H),6.71(d,J=7.6Hz,1H),6.09(t,J=55.9Hz,1H),3.68(s,3H),1.52(s,9H).19F NMR:δ-122.1(dd,J=228,53.4Hz,1F),-123.1(dd,J=228,54.9Hz,1F).13C NMR:δ160.4,147.6,142.6,136.8,133.7,130.6,130.2,127.5(t,J=1.6Hz),124.5,119.9(t,J=2.4Hz),118.1(t,J=249.2Hz),114.3,113.9(t,J=1.7Hz),80.1(t,J=21.7Hz),63.9,56.0,25.7.MS(ESI,m/z):366.0(M+H+).HRMS(ESI):calcd.for C19H21F2NO2S:(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℃.[α]D 22+28.1(c0.75,CHCl3).1H NMR:δ7.74(d,J=7.9Hz,1H),7.67(d,J=7.9Hz,1H),7.57(d,J=8.6Hz,2H),7.52(t,J=7.8Hz,1H),7.44(t,J=7.4Hz,1H),6.75(d,J=8.6Hz,2H),6.02(t,J=56.1Hz,1H),3.66(s,3H),1.51(s,9H).19F NMR:δ-122.7(d,J=57.5Hz).13C NMR:δ159.9,148.0,133.6,133.1,136.9,130.5,129.2(t,J=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,m/z):366.0(M+H+).HRMS(ESI):calcd.for C19H21F2NO2S:(M+H+):366.1334;Found:366.1333.IR(film):2969,1610,1512,1463,1300,1259,1222,1068cm-1.
化合物1x的表征数据:
Figure G2009101959081D00172
Mp:107-110℃.[α]D 23+67.8(c 0.9,CHCl3).1H NMR:δ7.51(d,J=4.0Hz,2H),7.34-7.29(m,2H),7.23(t,J=8.1Hz,1H),6.78(d,J=7.8Hz,1H),6.14(t,J=56.0Hz,1H),3.76(s,3H),2.34(s,6H),1.60(s,9H).19F NMR:δ-122.2(d,J=58.7Hz).13C NMR:δ160.3,145.7,143.7,142.9,140.1,134.4,130.1,128.0,124.7,119.9(t,J=2.4Hz),118.2(t,J=251.2Hz),114.2,113.8,79.7(t,J=22.1Hz),63.7,56.0,25.8,21.5,20.9.MS(ESI,m/z):394.0(M+H+).HRMS(ESI):calcd.for C21H25F2NO2S:(M+H+):394.1647;Found:394.1647.IR(film)1602,1258,1201,1145,1080,1021,694cm-1.
化合物1y的表征数据:
Figure G2009101959081D00181
Mp:52-55℃.[α]D 23+62.4(c 0.7,CHCl3).1H NMR:δ7.54(s,2H),7.33(s,2H),7.23(t,J=7.9Hz,1H),6.79(d,J=8.4Hz,1H),6.14(t,J=55.8Hz,1H),3.77(s,3H),2.95(t,J=7.3Hz,4H),2.24-2.04(m,2H),1.60(s,9H).19F NMR:δ-122.4(d,J=53.5Hz).13C NMR:δ160.3,151.9,147.9,146.7,143.1,134.9,130.1,122.9,119.9,119.7,118.3(t,J=249.4Hz),114.2,113.8,79.2(t,J=21.6Hz),63.7,56.0,33.6,33.2,26.8,25.8.MS(ESI,m/z):406.1(M+H+).HRMS(ESI):calcd.forC22H25F2NO2S:(M+H+):406.1647;Found:406.1648.IR(film):2971,1602,1489,1435,1255,1219,1054,960cm-1.
实施例3
表4
Figure G2009101959081D00182
环状亚磺酰胺2的典型制备方法:
-78℃下,向1a(0.2mmol,0.084g),CH2Cl2(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,Dioxane作为载体吸收HCl的气体作为反应物,取含有2.5MHCl气体的Dioxane 1.6mL】,在此温度下反应1h,TLC跟踪反应完成。然后加入饱和NaHCO3中和盐酸。CH2Cl2萃取(30mL×3),无水MgSO4干燥。除去溶剂,柱层析(乙酸乙酯∶石油醚=1∶3)得产品2a 0.082g,产率98%。
Figure G2009101959081D00191
1H NMR:δ7.90(d,J=6.6Hz,2H),7.86-7.75(m,3H),7.69(t,J=7.3Hz,2H),7.60-7.46(m,4H),7.33(d,J=6.0Hz,3H),6.47(s,1H).19F NMR:δ-99.3(d,J=238.2Hz,1F),-100.9(d,J=238.1Hz,1F).13C NMR:δ145.5,137.9,135.8,135.4,133.6,131.9,130.6,130.4,129.2,129.0,128.7,126.8(q,J=1.8Hz),125.6(q,J=1.4Hz),125.4,120.9(dd,J=301.9,302.6Hz),79.8(t,J=21.0Hz).MS(ESI,m/z):420.3(M+H+).HRMS(ESI):calcd.for C20H15F2NO3S2:(M+H+):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:
Figure G2009101959081D00192
1H NMR:δ8.38(s,1H),7.96(t,J=8.5Hz,2H),7.84(d,J=7.2Hz,1H),7.78(d,J=7.2Hz,2H),7.75-7.60(m,4H),7.57-7.48(m,3H),7.44(t,J=7.9Hz,2H),6.61(s,1H).19F NMR:δ-99.2(d,J=237.7Hz,1F),-100.7(d,J=237.7Hz,1F).13C NMR:δ145.6,137.6,135.5,134.1,133.7,133.4,132.0,131.2,130.8,130.5,130.4,129.9,129.3,129.2,127.5,126.7(q,J=2.1Hz),125.7(d,J=3.0Hz),125.5,125.1(d,J=2.4Hz),121.1,120.9(t,J=299.0Hz),79.9(t,J=21.0Hz).MS(ESI,m/z):548.4(M+H+).HRMS(ESI):calcd.for C24H16BrF2NO2S2:(M+H+):547.9796;Found:547.9795.IR(film):3370,1585,1449,1336,1149,1062,757,574cm-1.
化合物2i的表征数据:
Figure G2009101959081D00201
1H NMR:δ8.02(d,J=8.0Hz,2H),7.89(d,J=6.4Hz,1H),7.78(t,J=7.2Hz,1H),7.70-7.57(m,5H),7.47(d,J=7.1Hz,2H),7.41-7.24(m,4H),6.81(d,J=15.1Hz,1H),6.33(s,1H).19F NMR:δ-105.9(d,J=234.1Hz,1F),-107.1(d,J=234.1Hz,1F).13C NMR:δ145.4,137.2,135.7,135.5,134.7,133.1,132.0,130.8,130.7,129.4,128.5,128.4,127.3,125.6,125.1(d,J=4.8Hz),122.7(d,J=3.2Hz),120.2(t,J=299.0Hz),78.7(t,J=21.6Hz).MS(ESI,m/z):446.3(M+H+).HRMS(ESI):calcd.for C22H17F2NO3S2:(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:
Figure G2009101959081D00202
1H NMR:δ7.84(d,J=8.0Hz,3H),7.72(t,J=7.2Hz,1H),7.67-7.50(m,5H),5.55(s,1H),2.80-2.65(m,1H),1.11(d,J=6.1Hz,3H),0.95(d,J=6.5Hz,3H).19FNMR:δ-98.6(d,J=242.6Hz,1F),-101.3(d,J=242.6Hz,1F).13C NMR:δ146.8,135.5(d,J=4.5Hz),135.3,133.6,131.5,130.9,130.4,129.2,125.5,125.4(t,J=1.8Hz),121.7(t,J=300.2Hz),80.1(t,J=19.8Hz),33.6,18.4(d,J=4.7Hz),17.7(d,J=1.7Hz).MS(ESI,m/z):386.2(M+H+).HRMS(ESI):calcd.for C17H17F2NO3S2:(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:
Figure G2009101959081D00211
1H NMR:δ7.89(d,J=7.3Hz,2H),7.77(d,J=8.1Hz,2H),7.68(t,J=7.3Hz,1H),7.55(s,1H),7.49(t,J=7.7Hz,2H),7.38(s,1H),7.32(d,J=6.1Hz,3H),6.35(s,1H),2.29(s,3H),2.27(s,3H).19F NMR:δ-99.5(d,J=237.7Hz,1F),-100.8(d,J=236.4Hz,1F).13C NMR:δ143.1,141.5,140.0,136.1,135.5,135.3,133.7,130.3,129.1,128.8,128.6,126.7(q,J=2.2Hz),126.2(q,J=1.1Hz),125.8,121.0(dd,J=301.5,302.4Hz),79.5(t,J=22.2Hz),20.4,19.8.MS(ESI,m/z):448.3(M+H+).HRMS(ESI):calcd.for C22H19F2NO3S2:(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:
Figure G2009101959081D00212
1H NMR:δ7.89(d,J=7.2Hz,2H),7.78(d,J=7.8Hz,2H),7.68(t,J=7.9Hz,1H),7.59(s,1H),7.50(t,J=7.2Hz,2H),7.44(s,1H),7.32(d,J=5.9Hz,3H),6.36(s,1H),3.00-2.80(m,4H),2.20-2.00(m,2H).19F NMR:δ-99.3(d,J=236.0Hz,1F),-100.8(d,J=236.0Hz,1F).13C NMR:δ149.5,147.8,143.8,136.2,136.1,135.3,133.7,130.4,129.2,128.9,128.6,126.8(q,J=2.2Hz),121.3,121.1(dd,J=302.7,302.7Hz),120.8,79.3(t,J=20.9Hz),32.8,32.4,25.7.MS(ESI,m/z):460.3(M+H+).HRMS(ESI):calcd.for C23H19F2NO3S2:(M+H+):460.0847;Found:460.0846.IR(film):3167,1583,1447,1347,1145,1108,1066,1042cm-1.
实施例4
环状磺酰胺3的典型制备方法:
0℃下,向2a(0.15mmol,0.063g),CH2Cl2(5mL)的混合物中加入mCPBA(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3a 0.059g,产率90%。
1H NMR:δ7.95-7.79(m,5H),7.71(t,J=7.1Hz,2H),7.66-7.51(m,4H),7.40(d,J=5.3Hz,3H),6.55(s,1H).19F NMR:δ-97.9(d,J=238.3Hz,1F),-100.2(d,J=238.3Hz,1F).13C NMR:δ135.8,135.0,134.5,134.4,133.4,133.3,130.9,130.6,129.6,129.4,129.0,126.9(d,J=3.9Hz),126.5(d,J=3.1Hz),121.8,120.4(dd,J=303.1,303.0Hz),69.8(t,J=22.2Hz).MS(ESI,m/z):453.2(M+NH4 +)。

Claims (4)

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:
Figure A2009101959080002C1
Figure A2009101959080003C1
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=1∶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(3)中所述的HCl气体系溶解在二氧六环溶剂中。
CN200910195908A 2009-09-18 2009-09-18 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 Pending CN101665470A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103214394A (zh) * 2013-04-25 2013-07-24 北京大学 一种炔基亚胺衍生物
CN114539107A (zh) * 2022-03-31 2022-05-27 平顶山学院 一种芳香磺酰基修饰的二氟甲基反应砌块及其合成方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103214394A (zh) * 2013-04-25 2013-07-24 北京大学 一种炔基亚胺衍生物
CN103214394B (zh) * 2013-04-25 2015-12-09 北京大学 一种炔基亚胺衍生物
CN114539107A (zh) * 2022-03-31 2022-05-27 平顶山学院 一种芳香磺酰基修饰的二氟甲基反应砌块及其合成方法
CN114539107B (zh) * 2022-03-31 2023-09-15 平顶山学院 一种芳香磺酰基修饰的二氟甲基反应砌块及其合成方法

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