CN113527154A - 一种制备n-磺酰亚胺的方法 - Google Patents

一种制备n-磺酰亚胺的方法 Download PDF

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CN113527154A
CN113527154A CN202110649876.9A CN202110649876A CN113527154A CN 113527154 A CN113527154 A CN 113527154A CN 202110649876 A CN202110649876 A CN 202110649876A CN 113527154 A CN113527154 A CN 113527154A
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万小兵
李晶晶
赵彦伟
杨金炜
李如一
曹志宇
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Suzhou University
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Abstract

本发明公开了一种制备N‑磺酰亚胺的方法:使用硫酸铁为催化剂或者无催化剂,硫酸氢钾为助剂实现了酰胺、磺胺和重氮乙酸乙酯的三组分反应来制备N‑磺酰亚胺,具有如下优点:催化剂廉价绿色、反应更经济、底物普适性广、原料易得,空气中下即可进行,后处理简便,有利于在药物分子合成和大规模工业化中的应用。同时,本发明使用的反应物、催化剂、助剂等廉价易得,反应组成合理,无需配体及有毒的金属催化剂,原子经济性高,反应步骤少,仅需一步反应即可取得较高的产率,符合当代绿色化学和药物化学的要求和方向。

Description

一种制备N-磺酰亚胺的方法
技术领域
本发明涉及一种制备N-磺酰亚胺的方法,属于有机合成技术领域。
背景技术
N-磺酰亚胺是广泛存在于药物分子、天然产物以及农药,功能材料的核心骨架,也被广泛用为过渡金属的配体分子。目前,制备N-磺酰亚胺的方法尽管有很多,但均有明显的缺点,比如:需要制备危险的叠氮化合物,原料制备繁琐;需要有毒有害的过渡金属等。例如:
(1)Chang课题组报道了从叠氮,炔烃和醇出发,在碘化亚铜催化下制备N-磺酰亚胺的工作,但是反应必须使用危险的叠氮化合物和有毒的铜催化剂。不适合大规模工业化反应以及药物分子的合成(参见:Org. Lett., 2006, 8, 1347);
(2)2018年,Poisson课题组报道了微波条件下磺胺与原酸三甲酯制备N-磺酰亚胺的反应。但反应中需要用到特殊的微波装置,而且反应温度高达180℃。显然不适合工业化以及复杂产物的合成(参见:ACS Sustainable Chem. Eng. 2018, 6, 8563
综上,很有必要开发一种原料来源丰富、成本低廉、安全、操作简便的方法来高效率的合成N-磺酰亚胺类化合物。
发明内容
本发明的目的是提供一种制备N-磺酰亚胺的方法,该反应原料来源丰富、反应底物普适性广,操作简便,无需使用有毒的铜催化剂,有利于进一步用于药物分子的合成中。
为达到上述发明目的,本发明采用的技术方案是:
一种制备N-磺酰亚胺的方法,以酰胺、重氮乙酸乙酯和磺酰胺为反应底物,在催化剂与助剂作用下,在有机溶剂中反应得到N-磺酰亚胺。
本发明公开了催化剂和/或助剂在以酰胺、重氮乙酸乙酯、和磺酰胺为反应底物制备N-磺酰亚胺中的应用。
本发明中,所述酰胺的化学结构通式为:
Figure 239092DEST_PATH_IMAGE001
;式中,R1、R2、R3独立的选自烷基、杂芳香烃、取代芳基,取代芳基为
Figure 583486DEST_PATH_IMAGE002
,R4选自氢、烷基、氟、氯、溴、烷氧基、三氟甲基、砜基;
所述重氮乙酸乙酯为:
Figure 100002_DEST_PATH_IMAGE003
所述磺酰胺的化学结构通式为:
Figure 143780DEST_PATH_IMAGE004
,R5选自烷基、杂芳香烃、萘环、取代芳基,取代芳基为
Figure DEST_PATH_IMAGE005
,R6选自氢、烷基、烷氧基、三氟甲氧基。
本发明中,所述催化剂的用量为酰胺摩尔量的5~30%,优选20%;所述重氮乙酸乙酯的用量为酰胺摩尔量的6倍;磺胺的用量为酰胺摩尔量的1.5倍;所述助剂的用量为酰胺摩尔量的1~3倍,优选2倍。
本发明中,所述反应在空气中进行。
本发明公开了根据上述制备N-磺酰亚胺的方法制备的N-磺酰亚胺,其化学结构式为:
Figure 462897DEST_PATH_IMAGE006
上述技术方案中,所述反应的反应温度为25~100℃,时间为12~48小时;优选的反应温度为90℃;反应时间为24小时。
本发明中,所述催化剂为硫酸铁、硫酸钴、乙酰丙酮钴、乙酰丙酮铁、硫酸亚铁、三氧化铁、三氯化铁;所述助剂为硫酸氢钾、磷酸二氢钠、磷酸二氢钾;所述有机溶剂为环己烷、己烷、乙腈、硝基甲烷、1,2-二氯乙烷、1,4-二氧六环。优选的,所述催化剂为硫酸铁,助剂为硫酸氢钾,有机溶剂为环己烷。
本发明的反应在空气中进行。反应结束后,用饱和氯化钠溶液淬灭,再用乙酸乙酯萃取后,利用旋转蒸发仪除去溶剂、硅胶吸附,最后用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物N-磺酰亚胺。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:
1.本发明使用硫酸铁为催化剂实现了酰胺、磺胺和重氮乙酸乙酯的三组分反应来制备N-磺酰亚胺,与现有技术中的原料预制备难、操作危险和使用有毒催化剂相比,反应更绿色经济、安全、原料易得。尤其是,本发明还公开了仅在助剂存在下,无需催化剂,依然能够较好收率的获得产物,完全避免了现有技术需要催化剂的问题。
2.本发明公开的方法反应在空气中即可进行,后处理简便,有利于在药物分子合成和大规模工业化中的应用。
3.本发明使用的反应物、催化剂等原料廉价易得,反应组成合理,无需配体,原子经济性高,反应步骤少,仅需一步反应即可取得较高的产率,符合当代绿色化学和药物化学的要求和方向。
具体实施方式
下面结合实施例对本发明作进一步描述:
本发明的酰胺、磺胺、重氮乙酸乙酯、催化剂和溶剂皆为市场化商品或可以用简便方法制备。
实施例一
Figure 679115DEST_PATH_IMAGE007
向试管中加入酰胺(0.5 mmol)、对甲氧基苯磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率90%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.80–7.75 (m, 2H), 6.96–6.89 (m, 2H), 4.58(s, 2H), 4.05 (q, J = 7.1 Hz, 2H), 3.81 (s, 3H), 2.51 (s, 3H), 1.13 (t, J =7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 172.3, 166.5, 162.8, 132.9, 128.7,113.8, 63.8, 61.3, 55.5, 19.6, 13.8; HRMS (ESI-TOF): Anal. Calcd. ForC13H17NO6S+Na+: 338.0669, Found: 338.0670; IR (neat, cm-1): υ 2983, 2844, 1743,1617, 1595, 1442, 1380, 1151, 1022, 835, 803。
实施例二
在实施例一的基础上,反应条件做单因素变化:
不加硫酸铁,产率:68%;
不加硫酸氢钾,产率:35%;
将硫酸铁更换为硫酸钴,产率:67%;
将硫酸铁更换为乙酰丙酮钴,产率:32%;
将硫酸铁更换为乙酰丙酮铁,产率:67%;
将硫酸铁更换为硫酸亚铁,产率:70%;
将硫酸铁更换为氧化铁,产率:65%;
将硫酸铁更换为醋酸铜,产率:35%;
将硫酸氢钾更换为磷酸二氢钾,产率:33%;
将硫酸氢钾更换为磷酸二氢钠,产率:23%;
将环己烷更换为正己烷,产率:22%;
将环己烷更换为1,4-二氧六环,产率:32%;
将环己烷更换为乙腈,产率:38%;
将环己烷更换为1,2-二氯乙烷,产率:62%;
将环己烷更换为硝基甲烷,产率:60%;
将酰胺替换为N-甲基酰胺,产率:45%。
实施例三
Figure 92779DEST_PATH_IMAGE008
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率66%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.82 (d, J = 8.1 Hz, 2H), 7.76 (d, J = 8.9Hz, 2H), 7.25 (d, J = 8.1 Hz, 2H), 6.89 (d, J = 8.9 Hz, 2H), 4.70 (s, 2H),4.01 (q, J = 7.1 Hz, 2H), 3.82 (s, 3H), 2.39 (s, 3H), 1.14 (t, J = 7.1 Hz,3H); 13C NMR (100 MHz, CDCl3) δ 168.3, 166.8, 162.6, 143.7, 133.8, 128.7,128.7, 127.4, 113.7, 64.2, 61.4, 55.5, 21.7, 13.9; HRMS (ESI-TOF): Anal.Calcd. For C19H21NO6S+Na+: 414.0982, Found: 414.0966; IR (neat, cm-1): υ 2986,2848, 1748, 1595, 1307, 1259, 1210, 1143, 834, 805.
实施例四
Figure 710842DEST_PATH_IMAGE009
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率51%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.03 (s, 4H), 7.73 (d, J = 8.9 Hz, 2H), 6.92(d, J = 8.9 Hz, 2H), 4.78 (s, 2H), 4.07 (q, J = 7.1 Hz, 2H), 3.84 (s, 3H),3.09 (s, 3H), 1.17 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ166.5,166.3, 163.0, 143.6, 135.6, 132.6, 130.3, 128.9, 127.1, 113.9, 64.5, 61.7,55.6, 44.3, 13.9; HRMS (ESI-TOF): Anal. Calcd. For C19H21NO8S2+Na+: 478.0601,Found: 478.0632; IR (neat, cm-1): υ 3008, 2928, 1743, 1618, 1594, 1311, 1284,1113, 1087, 826, 801.
实施例五
Figure 184548DEST_PATH_IMAGE010
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率62%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.00–7.94 (m, 2H), 7.80–7.75 (m, 2H), 7.17–7.13 (m, 2H), 6.95–6.89 (m, 2H), 4.73 (s, 2H), 4.04 (q, J = 7.1 Hz, 2H), 3.84(s, 3H), 1.16 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 167.0, 166.7,164.1, 162.8, 133.4, 132.5 (d, J = 9.2 Hz), 128.8, 126.4, 115.5, 115.3,113.8, 64.3, 61.5, 55.5, 13.9; 19F NMR (376 MHz, CDCl3) δ = -104.90 (s, 1F);HRMS (ESI-TOF): Anal. Calcd. For C18H18FNO6S+Na+: 418.0731, Found: 418.0727; IR(neat, cm-1): υ 3073, 2941, 1744, 1616, 1376, 1297, 1089, 815, 806.
实施例六
Figure 904374DEST_PATH_IMAGE011
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率54%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.87 (d, J = 8.6 Hz, 2H), 7.77 (d, J = 8.9Hz, 2H), 7.45 (d, J = 8.6 Hz, 2H), 6.92 (d, J = 8.9 Hz, 2H), 4.74 (s, 2H),4.05 (d, J = 7.1 Hz, 2H), 3.85 (s, 3H), 1.17 (t, J = 7.1 Hz, 3H); 13C NMR (100MHz, CDCl3) δ 167.1, 166.6, 162.8, 139.3, 131.1, 128.8, 128.7, 128.5, 113.8,64.3, 61.6, 55.6, 14.0; HRMS (ESI-TOF): Anal. Calcd. For C18H18 35ClNO6S+Na+:436.0436, Found: 436.0441. Anal. Calcd. For C18H18 37ClNO6S +Na+: 436.0406,Found: 436.0413; IR (neat, cm-1): υ 3073, 2987, 1754, 1609, 1463, 1382, 1145,1088, 835, 806.
实施例七
Figure 590570DEST_PATH_IMAGE012
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率63%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.80–7.75 (m, 4H), 7.61 (d, J = 8.5 Hz, 2H),6.93 (d, J = 8.5 Hz, 2H), 4.74 (s, 2H), 4.05 (q, J = 7.1 Hz, 2H), 3.85 (s,3H), 1.17 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 167.2, 166.6, 162.8,133.3, 131.4, 131.2, 129.2, 128.8, 127.8, 113.8, 64.3, 61.6, 55.6, 14.0; HRMS(ESI-TOF): Anal. Calcd. For C18H18 79BrNO6S+Na+: 477.9930, Found: 477.9920. Anal.Calcd. For C18H18 81BrNO6S+Na+: 479.9910, Found: 479.9919; IR (neat, cm-1): υ2923, 2851, 1753, 1589, 1357, 1295, 1203, 1141, 835, 802.
实施例八
Figure 594298DEST_PATH_IMAGE013
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率42%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.14 (d, J = 7.8 Hz, 1H), 8.01 (s, 1H), 7.82(d, J = 7.8 Hz, 1H), 7.73 (d, J = 8.9 Hz, 2H), 7.64–7.60 (m, 1H), 6.91 (d, J= 8.9 Hz, 2H), 4.79 (s, 2H), 4.09 (q, J = 7.1 Hz, 2H), 3.85 (s, 3H), 1.20 (t,J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 166.5, 163.0, 133.1, 131.3, 120.0,128.7, 126.1, 113.9, 64.4, 61.7, 55.6, 14.0; 19F NMR (376 MHz, CDCl3) δ = -62.84 (s, 3F); HRMS (ESI-TOF): Anal. Calcd. For C19H18F3NO6S+Na+: 468.0699,Found: 468.0695; IR (neat, cm-1): υ 2975, 1747, 1615, 1377, 1263, 1130, 1090,1014, 825, 804.
实施例九
Figure 973327DEST_PATH_IMAGE014
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率53%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.82 (d, J = 8.5 Hz, 2H), 7.75 (d, J = 8.9Hz, 2H), 7.62 (d, J = 8.5 Hz, 2H), 6.92 (d, J = 8.9 Hz, 2H), 4.73 (s, 2H),4.04 (q, J = 7.1 Hz, 2H), 3.84 (s, 3H), 1.16 (t, J = 7.1 Hz, 3H); 13C NMR (100MHz, CDCl3) δ 167.4, 166.6, 162.8, 137.3, 133.2, 131.0, 129.7, 128.8, 113.8,100.4, 64.3, 61.5, 55.6, 13.9; HRMS (ESI-TOF): Anal. Calcd. For C18H18INO6S+Na+: 525.9792, Found: 525.9776; IR (neat, cm-1): υ 3028, 2978, 1753, 1589, 1499,1295, 1263, 1140, 833, 802.
实施例十
Figure 429716DEST_PATH_IMAGE015
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率49%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.80 (d, J = 9.0 Hz, 2H), 6.94 (d, J = 9.0Hz, 2H), 4.60 (s, 2H), 4.07 (q, J = 7.1 Hz, 2H), 3.84 (s, 3H), 2.95 (q, J =7.6 Hz, 2H), 1.29 (t, J = 7.6 Hz, 3H), 1.16 (t, J = 7.1 Hz, 3H); 13C NMR (100MHz, CDCl3) δ 175.7, 166.7, 162.8, 133.4, 128.7, 113.8, 63.7, 61.4, 55.5,26.9, 13.9, 10.2; HRMS (ESI-TOF): Anal. Calcd. For C14H19NO6S+Na+: 352.0825,Found: 352.0833; IR (neat, cm-1): υ 3226, 2979, 2849, 1753, 1593, 1499, 1143,1110, 833, 803, 722.
实施例十一
Figure 932985DEST_PATH_IMAGE016
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率62%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.16 (d, J = 8.6 Hz, 2H), 7.78 (d, J = 8.9Hz, 2H), 7.45 (d, J = 8.6 Hz, 2H), 6.95 (d, J = 8.9 Hz, 2H), 4.60 (s, 2H),4.08 (q, J = 7.1 Hz, 2H), 3.86 (s, 3H), 3.31–3.25 (m, 2H), 3.22–3.18 (m, 2H),1.17 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 172.6, 166.5, 163.0,147.3, 146.8, 132.9, 129.4, 128.8, 123.8, 113.9, 63.9, 61.5, 55.6, 34.3,31.7, 14.0; HRMS (ESI-TOF): Anal. Calcd. For C20H22N2O8S+Na+: 473.0989, Found:473.0993; IR (neat, cm-1): υ 2981, 2847, 1745, 1617, 1595, 1381, 1345, 1111,833, 803, 687.
实施例十二
Figure 260061DEST_PATH_IMAGE017
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率34%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.88 (d, J = 8.8 Hz, 2H), 7.67 (d, J = 8.4Hz, 2H), 7.47 (d, J = 8.4 Hz, 2H), 7.19 (d, J = 2.3 Hz, 1H), 6.99 (d, J = 8.8Hz, 2H), 6.93 (d, J = 9.0 Hz, 1H), 6.70–6.67 (m, 1H), 4.54 (s, 2H), 4.39 (s,2H), 4.04 (q, J = 7.1 Hz, 2H), 3.88 (s, 3H), 3.85 (s, 3H), 2.40 (s, 3H), 1.12(t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 171.6, 168.3, 166.3, 163.0,156.1, 139.3, 136.6, 133.8, 133.1, 131.2, 130.6, 129.1, 128.8, 114.8, 114.0,112.1, 111.6, 101.3, 64.1, 61.4, 55.7, 55.6, 28.4, 13.9, 13.6; HRMS (ESI-TOF): Anal. Calcd. For C30H29 35ClN2O8S+Na+: 635.1225, Found: 635.1228. Anal.Calcd. For C30H29 37ClN2O8S +Na+: 637.1196, Found: 637.1199; IR (neat, cm-1): υ2986, 2923, 1757, 1590, 1383, 1067, 1039, 828, 800, 773.
实施例十三
Figure 75571DEST_PATH_IMAGE018
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率48%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.79 (d, J = 8.8 Hz, 2H), 6.94 (d, J = 8.8Hz, 2H), 6.80 (d, J = 7.8 Hz, 3H), 4.59 (s, 2H), 4.08 (q, J = 7.1 Hz, 2H),3.87 (s, 3H), 3.85 (s, 6H), 3.24–3.20 (m, 2H), 3.05–3.01 (m, 2H), 1.17 (t, J= 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 173.8, 166.7, 162.9, 148.9, 147.6,133.3, 132.3, 129.4, 128.8, 120.3, 114.2, 113.9, 111.7, 111.3, 63.8, 61.4,55.9, 55.8, 55.6, 35.3, 31.7, 14.0; HRMS (ESI-TOF): Anal. Calcd. For C22H27NO8S+Na+: 488.1350, Found: 488.1367; IR (neat, cm-1): υ 3283, 2981, 1739, 1595,1515, 1499, 1257, 1151, 1094, 1023, 803, 720, 686.
实施例十四
Figure 753677DEST_PATH_IMAGE019
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率48%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.88 (s, 1H), 7.99 (d, J = 8.0 Hz, 1H),7.90–7.86 (m, 3H), 7.50–7.43 (m, 2H), 6.97 (d, J = 8.9 Hz, 2H), 4.73 (s, 2H),4.12 (q, J = 7.1 Hz, 2H), 3.87 (s, 3H), 1.20 (t, J = 7.1 Hz, 3H); 13C NMR (100MHz, CDCl3) δ 166.5, 162.8, 160.3, 142.3, 138.7, 135.7, 133.8, 128.6, 126.5,125.1, 122.2, 113.9, 64.4, 61.6, 55.6, 14.0; HRMS (ESI-TOF): Anal. Calcd. ForC20H19NO6S2+H+: 434.0727, Found: 434.0727; IR (neat, cm-1): υ 3100, 2964, 1753,1603, 1590, 1247, 1108, 1024, 838, 802, 681.
实施例十五
Figure 312834DEST_PATH_IMAGE020
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率52%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 10.68 (s, 1H), 7.94–7.88 (m, 2H), 7.72–7.70(m, 1H), 7.67–7.66 (m, 1H), 7.51–7.48 (m, 1H), 7.39–7.35 (m, 1H), 7.20–7.13(m, 1H), 7.02–6.95 (m, 2H), 4.75 (s, 2H), 4.12 (q, J = 7.1 Hz, 2H), 3.87 (s,3H), 1.19 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ166.9, 162.9, 158.1,138.5, 133.3, 126.8, 124.3, 121.3, 114.8, 114.0, 112.7, 64.0, 61.5, 55.6,14.0; HRMS (ESI-TOF): Anal. Calcd. For C20H20N2O6S+Na+: 439.0934, Found:439.0932; IR (neat, cm-1): υ 3578, 3222, 2922, 1753, 1570, 1084, 1023, 825,802, 742.
实施例十六
Figure 776308DEST_PATH_IMAGE021
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率64%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.89–7.87 (m, 2H), 7.58–7.55 (m, 1H), 7.51–7.47 (m, 2H), 4.61 (s, 2H), 4.06 (q, J = 7.1 Hz, 2H), 2.57 (s, 3H), 1.14 (t,J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 172.9, 166.5, 141.1, 132.6, 128.7,126.5, 63.9, 61.4, 19.8, 13.8; HRMS (ESI-TOF): Anal. Calcd. For C12H15NO5S+Na+:308.0563, Found: 308.0568; IR (neat, cm-1): υ 3251, 2974, 2873, 1723, 1597,1154, 1088, 854, 719, 686.
实施例十七
Figure 231560DEST_PATH_IMAGE022
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率66%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.76 (d, J = 8.0 Hz, 2H), 7.28 (d, J = 8.0Hz, 2H), 4.61 (s, 2H), 4.11–4.05 (m, 2H),2.55 (s, 3H), 2.41 (s, 3H), 1.16 (t,J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 172.7, 166.6, 143.5, 138.4, 129.4,126.7, 63.9, 61.5, 21.5, 19.8, 13.9; HRMS (ESI-TOF): Anal. Calcd. ForC13H17NO5S+Na+: 322.0720, Found: 322.0726; IR (neat, cm-1): υ 2954, 2922, 1755,1612, 1461, 1156, 1072, 1173, 1027, 814, 706.
实施例十八
Figure 662541DEST_PATH_IMAGE023
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率53%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.02–8.00 (m, 1H), 7.47–7.43 (m, 1H), 7.32–7.26 (m, 2H), 4.63 (s, 2H), 4.07 (q, J = 7.1 Hz, 2H), 2.62 (s, 3H), 2.57 (s,3H), 1.15 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ173.1, 166.6, 139.1,137.7, 132.2, 128.1, 125.8, 63.8, 61.5, 20.2, 20.1, 13.9; HRMS (ESI-TOF):Anal. Calcd. For C13H17NO5S+Na+: 322.0720, Found: 322.0731; IR (neat, cm-1): υ3066, 2874, 2706, 1678, 1478, 1371, 1168, 1158, 775, 709.
实施例十九
Figure 759810DEST_PATH_IMAGE024
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率55%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.47 (s, 1H), 7.99–7.82 (m, 4H), 7.67–7.56(m, 2H), 4.63 (s, 2H), 4.03 (q, J = 7.1 Hz, 2H), 2.62 (s, 3H), 1.08 (t, J =7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 172.9, 166.5, 138.1, 134.8, 131.9,129.3, 129.1, 128.8, 127.8, 127.7, 127.4, 122.3, 64.0, 61.5, 20.0, 13.8; HRMS(ESI-TOF): Anal. Calcd. For C16H17NO5S+Na+: 358.0720, Found: 358.0720; IR(neat, cm-1): υ 3063, 2912, 1753, 1613, 1157, 1130, 1061, 752, 691.
实施例二十
Figure 327058DEST_PATH_IMAGE025
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率74%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.90 (d, J = 8.0 Hz, 1H), 7.60–7.52 (m, 2H),7.36–7.32 (m, 1H), 4.73 (s, 2H), 4.57 (s, 2H), 4.16 (q, J = 7.1 Hz, 2H), 2.43(s, 3H), 1.25 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 174.0, 166.0,163.5, 149.3, 130.2, 124.0, 122.4, 120.7, 109.7, 63.9, 61.6, 51.2, 20.1,13.9; HRMS (ESI-TOF): Anal. Calcd. For C14H16N2O6S+Na+: 363.0621, Found:363.0621; IR (neat, cm-1): υ 2990, 2939, 1757, 1612, 1306, 1172, 1077, 1046,802, 750, 737.
实施例二十一
Figure 500681DEST_PATH_IMAGE026
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率90%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.65 (d, J = 3.7 Hz, 1H), 7.59 (d, J = 5.0Hz, 1H), 7.08–7.03 (m, 1H), 4.67 (s, 2H), 4.14 (q, J = 7.1 Hz, 2H), 2.56 (s,3H), 1.21 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 173.0, 166.3, 142.0,132.0, 131.7, 126.8, 64.0, 61.4, 19.7, 13.8; HRMS (ESI-TOF): Anal. Calcd. ForC10H13NO5S2+Na+: 314.0127, Found: 314.0126; IR (neat, cm-1): υ 3099, 2984, 2918,1751, 1607, 1302, 1153, 1067, 1016, 855, 724, 679.
实施例二十二
Figure 684538DEST_PATH_IMAGE027
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率39%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 8.96 (d, J = 7.1 Hz, 1H), 7.86 (d, J = 9.1Hz, 1H), 7.59–7.53 (m, 1H), 7.21–7.17 (m, 1H), 4.63 (s, 2H), 4.00 (q, J = 7.1Hz, 2H), 3.63 (q, J = 7.4 Hz, 2H), 2.70 (s, 3H), 1.41 (t, J = 7.4 Hz, 3H),1.12 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 175.0, 166.1, 145.1,144.3, 129.1, 127.3, 119.1, 116.3, 64.5, 61.5, 49.5, 20.6, 13.8, 6.8; HRMS(ESI-TOF): Anal. Calcd. For C15H19N3O7S2+Na+: 440.0557, Found: 440.0572; IR(neat, cm-1): υ 3272, 3077, 2983, 1752, 1587, 1312, 1165, 1134, 857, 827, 760,733.
实施例二十三
Figure 585498DEST_PATH_IMAGE028
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率47%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.87 (d, J = 8.7 Hz, 2H), 7.45 (d, J = 8.7Hz, 2H), 7.18 (d, J = 8.0 Hz, 2H), 7.11 (d, J = 8.0 Hz, 2H), 6.73 (s, 1H),4.61 (s, 2H), 4.10 (q, J = 7.1 Hz, 2H), 2.58 (s, 3H), 2.37 (s, 3H), 1.18 (t,J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 173.4, 166.4, 145.2, 142.5, 140.6,139.7, 129.7, 128.7, 127.7, 125.7, 125.2, 106.2, 64.0, 61.6, 21.3, 20.1,14.0; 19F NMR (376 MHz, CDCl3) δ = -62.48 (s, 3F); HRMS (ESI-TOF): Anal.Calcd. For C23H22F3N3O5S+Na+: 532.1124, Found: 532.1105; IR (neat, cm-1): υ3078, 2990, 2925, 1756, 1608, 1406, 1131, 843, 817, 654.
实施例二十四
Figure 492405DEST_PATH_IMAGE029
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率48%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.79–7.77 (m, 1H), 7.42–7.33 (m, 1H), 6.76–6.72 (m, 1H), 6.56–6.54 (m, 1H), 6.28–6.26 (m, 1H), 4.66 (s, 2H), 4.27–4.21(m, 2H), 4.03 (q, J = 7.1 Hz, 2H), 3.96 (d, J = 5.2 Hz, 2H), 2.55 (s, 3H),1.29 (t, J = 7.1 Hz, 3H), 1.13 (t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ172.8, 169.9, 166.7, 144.9, 134.5, 129.1, 122.9, 116.1, 111.7, 64.1, 61.4,61.3, 19.9, 14.1, 13.9; HRMS (ESI-TOF): Anal. Calcd. For C16H22N2O7S+Na+:409.1040, Found: 409.1046; IR (neat, cm-1): υ 3395, 2956, 2917, 1739, 1600,1204, 1153, 803, 746.
实施例二十五
Figure 820618DEST_PATH_IMAGE030
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率47%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.68 – 7.61 (m, 2H), 6.58 – 6.53 (m, 2H),4.57 (d, J = 1.8 Hz, 2H), 4.24 – 4.16 (m, 2H), 4.12 (s, 2H), 4.09 – 4.01 (m,2H), 3.88 (d, J = 5.3 Hz, 1H), 2.47 (s, 3H), 1.25 (t, J = 7.1 Hz, 3H), 1.14(t, J = 7.1 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 172.0, 171.9, 170.1, 169.7,166.7, 151.0, 150.3, 129.6, 129.1, 128.7, 128.6, 111.7, 111.3, 63.7, 61.6,61.4, 61.4, 53.2, 44.9, 19.6, 19.5, 14.10, 14.07,13.9; HRMS (ESI-TOF): Anal.Calcd. For C16H22N2O7S+Na+: 409.1040, Found: 409.1014; IR (neat, cm-1): υ 3383,2972, 2905, 1735, 1596, 1375, 1148, 819, 745.
实施例二十六
Figure 960612DEST_PATH_IMAGE031
向试管中加入酰胺(0.5 mmol)、磺酰胺(0.75 mmol)、硫酸铁(20 %mmol)、硫酸氢钾(2.0 eq),然后加入环己烷(2 mL),最后加入重氮乙酸乙酯EDA(3.0 mmol),将混合物在空气气氛下油浴90℃反应24小时。 反应完成后用饱和氯化钠溶液淬灭 ,乙酸乙酯提取,有机相合并后无水硫酸镁干燥,减压旋干溶剂。用乙酸乙酯和石油醚的混合溶剂进行柱层析即可得产物,产率71%。所制得产物的主要测试数据如下,通过分析可知,实际合成产物与理论分析一致。
1H NMR (400 MHz, CDCl3) δ 7.88 (d, J = 7.6 Hz, 2H), 7.58–7.55 (m, 1H),7.47–7.43 (m, 2H), 4.99 (d, J = 15.6 Hz, 1H), 4.84 (d, J = 15.6 Hz, 1H),4.61–4.58 (m, 1H), 4.36 (d, J = 2.6 Hz, 1H), 4.32–4.16 (m, 6H), 3.91–3.87 (m,1H), 3.73 (d, J = 12.9 Hz, 1H), 1.52 (s, 3H), 1.46 (s, 3H), 1.39 (s, 3H),1.32 (s, 3H), 1.29 (t, J = 7.2 Hz, 3H); 13C NMR (100 MHz, CDCl3) δ 170.6,166.4, 133.0, 129.7, 129.2, 128.2, 109.1, 109.0, 100.7, 69.8, 64.5, 61.8,61.2, 26.4, 25.7, 25.1, 23.9, 14.0; HRMS (ESI-TOF): Anal. Calcd. ForC23H31NO11S+Na+: 552.1510, Found: 552.1505; IR (neat, cm-1): υ 2990, 2939, 1757,1612, 1381, 1307, 1207, 1074, 803, 777, 751。

Claims (10)

1.一种制备N-磺酰亚胺的方法,其特征在于:以酰胺、重氮乙酸乙酯、磺酰胺为反应底物,在催化剂与助剂作用下,在有机溶剂中反应得到N-磺酰亚胺;或者以酰胺、重氮乙酸乙酯、和磺酰胺为反应底物,在助剂作用下,在有机溶剂中反应得到N-磺酰亚胺;
其中,所述酰胺的化学结构通式为:
Figure DEST_PATH_IMAGE001
;式中,R1、R2、R3独立的选自烷基、杂芳香烃、取代芳基;
所述磺酰胺的化学结构通式为:
Figure 852174DEST_PATH_IMAGE002
;式中,R5选自烷基、杂芳香烃、萘环或者取代芳基;
所述N-磺酰亚胺的化学结构式为:
Figure DEST_PATH_IMAGE003
2.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述反应的反应温度为25~100℃,时间为12~48小时。
3.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述取代芳基的结构通式为:
Figure 9179DEST_PATH_IMAGE004
,其中R4选自氢、烷基、氟、氯、溴、烷氧基、三氟甲基或者砜基。
4.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述催化剂为硫酸铁、硫酸钴、乙酰丙酮钴、乙酰丙酮铁、硫酸亚铁、三氧化铁、三氯化铁中的一种;所述助剂为硫酸氢钾、磷酸二氢钠、磷酸二氢钾中的一种;有机溶剂为环己烷、己烷、乙腈、硝基甲烷、1,2-二氯乙烷、1,4-二氧六环中的一种。
5.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述催化剂的用量为酰胺摩尔量的5~30%。
6.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述重氮乙酸乙酯的用量为酰胺摩尔量的6倍;磺胺的用量为酰胺摩尔量的1.5倍。
7.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述反应在空气中进行。
8.根据权利要求1所述制备N-磺酰亚胺的方法,其特征在于:所述助剂的用量为酰胺摩尔量的1~3倍。
9.根据权利要求1所述制备N-磺酰亚胺的方法制备的N-磺酰亚胺。
10.催化剂和/或助剂在以酰胺、重氮乙酸乙酯、和磺酰胺为反应底物制备N-磺酰亚胺中的应用。
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* Cited by examiner, † Cited by third party
Title
A. V. SELIVANOVA等: "《Chemistry of diazocarbonyl compounds: XXVIII. Reaction of acyclic N-arylsulfonylacetamides with Rh(II)-carbenoids as a new synthetic route to alkyl acetimidoates》", 《RUSSIAN JOURNAL OF ORGANIC CHEMISTRY》 *
JIJUN CHEN等: "《Interception of amide ylides with sulfonamides: synthesis of (E)-N-sulfonyl amidines catalyzed by Zn(OTf)2》", 《CHEMICAL COMMUNICATIONS (CAMBRIDGE, UNITED KINGDOM)》 *
JIJUN CHEN等: "《Interception of Secondary Amide Ylide with Sulfonamides: Catalyst-Controlled Synthesis of N-Sulfonylamidine Derivatives》", 《ORG. LETT.》 *

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