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 PDFInfo
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- ring
- type
- sulphoxide imine
- cyclic
- nmr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
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
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
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.
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:
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:
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
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%。
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:
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:
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:
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:
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:
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:
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:
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:
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:
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:
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:
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:
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:
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
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%。
[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:
[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:
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:
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
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%。
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:
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:
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:
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:
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:
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:
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。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910195908A CN101665470A (zh) | 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 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910195908A CN101665470A (zh) | 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 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101665470A true CN101665470A (zh) | 2010-03-10 |
Family
ID=41802273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910195908A Pending CN101665470A (zh) | 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 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101665470A (zh) |
Cited By (2)
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 |
-
2009
- 2009-09-18 CN CN200910195908A patent/CN101665470A/zh active Pending
Cited By (4)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107540586B (zh) | 一种二氟甲基取代的硫代芳基磺酸酯的制备方法 | |
CN107056668B (zh) | 硫脲和噁唑烷硫酮类化合物及其合成方法和应用 | |
CN106220581A (zh) | 含氟杂环化合物及其制备方法 | |
Merino et al. | Versatile synthesis of quaternary 1, 3-oxazolidine-2, 4-diones and their use in the preparation of α-hydroxyamides | |
CN108976173A (zh) | 一种4-芳基-2-(2-(硫三氟甲基)芳基)喹唑啉的制备方法 | |
US7560547B2 (en) | Hydroxyalkyl cyclic diamine compounds | |
JP6987064B2 (ja) | 1−[2−(2,4−ジメチル−フェニルスルファニル)−フェニル]ピペラジンの合成 | |
CN101665470A (zh) | 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 | |
CN109160903A (zh) | 一种3-氨基喹喔啉-2(1h)-酮化合物的光催化制备方法 | |
CN108148069A (zh) | 一种呋喃酮并吡啶酮类化合物的合成方法 | |
BRPI0711100A2 (pt) | reagente de reação para trifluorometilação | |
CN107176915A (zh) | 一种烯砜类化合物的合成方法 | |
WO2003064384A2 (en) | Environment friendly reagents and process for trifluoromethylsulfinylation of organic compounds | |
CN109020924A (zh) | 一种苯磺酰氯类化合物与二级胺无金属催化合成苯磺酰胺类化合物的方法 | |
WO2012088776A1 (zh) | 2-(n-取代)-氨基苯并咪唑衍生物的制备方法 | |
CN104744356A (zh) | 二取代脲类化合物的合成方法 | |
CN113527158B (zh) | 一种多组分偶联构建含氟甲基砜类化合物的方法 | |
US20190152892A1 (en) | Direct c-h amination and aza-annulation | |
CN103694157B (zh) | 一种制备手性α-氯代氮杂环丙烷的方法 | |
CN109180572B (zh) | 一种砜或磺酰胺化合物的制备方法 | |
US20050282804A1 (en) | Process for preparing 10alpha-[4'-(S,S-dioxothiomorpholin-1'-yl)]-10-deoxo-10-dihydroartemisinin | |
CN105348159A (zh) | 一种先导化合物硫代灭多威及其合成方法 | |
KR102660894B1 (ko) | 피리미딘-2-아민 화합물의 제조방법 | |
CN109438299A (zh) | 一种苯磺酰肼类衍生物与三乙胺无金属催化合成苯磺酰烯胺类化合物的方法 | |
US11851408B2 (en) | Method for preparing pyridine compound substituted with trifluoromethylthio, difluoromethylthio or trifluoromethyl in meta position |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100310 |