CN112300093A - 一种磺酰甲脒类化合物及其合成方法和应用 - Google Patents

一种磺酰甲脒类化合物及其合成方法和应用 Download PDF

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CN112300093A
CN112300093A CN202011298221.3A CN202011298221A CN112300093A CN 112300093 A CN112300093 A CN 112300093A CN 202011298221 A CN202011298221 A CN 202011298221A CN 112300093 A CN112300093 A CN 112300093A
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formamidine compound
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苟铨
谭秋健
赵庆升
李好
陈乾琼
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Yangtze Normal University
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Abstract

本发明公开了一种磺酰甲脒类化合物及其合成方法和应用,属于化学合成及药物技术领域,该磺酰甲脒类化合物的结构通式为:
Figure DEST_PATH_IMAGE002
;式中,R1、R2片段为环胺或带有不同取代基的环胺,所述取代基为氟、氯、溴、氰基、氨基、芳基、羟基、羰基、酯基、硝基中的至少一种;R3为苯基及其衍生物、萘基及其衍生物、吡啶及其衍生物、噻吩及其衍生物中的任意一种。本发明是通过简单的催化系统,采用简单易得的N‑甲基三级胺与磺酰胺一步直接脱氢偶联,制备得到的磺酰甲脒类化合物,无污染,该磺酰甲脒类化合物可应用于药物后期衍生中。

Description

一种磺酰甲脒类化合物及其合成方法和应用
技术领域
本发明涉及化学合成及药物技术领域,具体是一种磺酰甲脒类化合物及其合成方法和应用。
背景技术
磺酰甲脒类化合物广泛地存在于生物活性分子、天然产物和药物中,如:乙溴替丁、法莫替丁、妥伐替丁等药物。同时,它常在制药工业中作为重要的药效团、杂环化合物合成的重要中间体以及作为一种有效的配体参与金属有机反应。因此,对磺酰甲脒类化合物的高效、温和、步骤经济性地合成具有重要的学术意义和工业应用价值。
现已报道的合成方法主要存在三个问题:一、使用存在易爆的有机叠氮试剂作为原料;二、使用腐蚀性强的酸作为催化剂;三、反应的副产物对环境危害性较大。因此,要便捷获取磺酰甲脒类化合物,亟待解决上述挑战性问题。
发明内容
本发明实施例的目的在于提供一种磺酰甲脒类化合物,以解决上述背景技术中提出的问题。
为实现上述目的,本发明实施例提供如下技术方案:
一种磺酰甲脒类化合物,其结构通式为式I:
Figure BDA0002784377800000021
式中,R1、R2片段为环胺或带有不同取代基的环胺,所述取代基为氟、氯、溴、氰基、氨基、芳基、羟基、羰基、酯基、硝基中的至少一种;R3为苯基及其衍生物、萘基及其衍生物、吡啶及其衍生物、噻吩及其衍生物中的任意一种。
优选的,氨基为叔丁氧羰基保护的氨基;芳基为苯基或被取代的苯基;羟基为叔丁基二甲基硅基或叔丁基二苯基硅基保护的羟基;酯基为羧酸甲酯、乙酯、叔丁酯和苯酯的任意一种。
优选的,R1、R2片段为N-甲基吗啡啉。
优选的,R3为对甲基苯。
优选的,所述磺酰甲脒类化合物的结构为式3a~式3t中的任一种:
Figure BDA0002784377800000022
Figure BDA0002784377800000031
本发明实施例的另一目的在于提供一种上述的磺酰甲脒类化合物的合成方法,其包括以下步骤:
将铜催化剂、原料A、原料B和溶剂进行反应后,再经提纯,得到所述磺酰甲脒类化合物;
其中,原料A、原料B的结构通式分别为式A和式B:
Figure BDA0002784377800000032
上述合成方法的反应路线如下:
Figure BDA0002784377800000033
优选的,所述铜催化剂为CuCl和/或CuBr。
优选的,所述溶剂为二甲基亚砜、均三甲苯、二甲基甲酰胺和甲苯中的任一种。
本发明实施例的另一目的在于提供一种上述的磺酰甲脒类化合物在在药物后期官能化中的应用。
优选的,所述药物为塞来考昔。
与现有技术相比,本发明实施例的有益效果是:
本发明实施例提供的一种磺酰甲脒类化合物,是通过简单的催化系统,采用简单易得的N-甲基三级胺与磺酰胺一步直接脱氢偶联,制备得到的,无污染,其可应用于药物后期衍生中。
附图说明
图1为实施例1制得的结构式为式3a的磺酰甲脒类化合物的核磁氢谱图;
图2为实施例1制得的结构式为式3a的磺酰甲脒类化合物的核磁碳谱图。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。
其中,下述实施例所采用的原料、试剂如下:
CuCl催化剂(国药集团化学试剂有限公司)、CuBr催化剂(Sigma-Aldrich试剂公司)、石油醚(沸程30~60℃,成都市科隆化学品有限公司)、乙酸乙酯(分析纯,重庆川东化工集团有限公司)、均三甲苯(分析纯,阿达玛斯试剂有限公司)、氘代氯仿(CDCl3,氘原子含量99.8%,TMS含量0.03%v/v,瑞士ARMAR公司);核磁管(5mm100/pk 2ST500-8,美国Norell公司)。
所采用的实验仪器如下:
HGZF-II/H-101-3电热恒温鼓风干燥箱(上海跃进医疗器械有限公司)、RCT基本型IKA加热磁力搅拌器(广州艾卡仪器设备有限公司)、EYELA N-1300D-W旋转蒸发仪(东京理化器械株式会社成都分公司)、EL104分析天平(梅特勒-托利多仪器(上海)有限公司)、WFH-204B紫外分析仪(上海勤科分析仪器有限公司)、600MHz核磁共振仪(Bruker ADVANCE III,瑞士Bruker公司)。
实施例1
该实施例提供了一种磺酰甲脒类化合物的合成方法,其反应路线如下:
Figure BDA0002784377800000051
具体,该合成方法包括以下步骤:
在室温条件下称取CuCl催化剂(4.0g,0.04mmol)、原料A(对甲苯磺酰胺,0.2mmol)、原料B(N-甲基吗啉,0.4mmol)和均三甲苯溶剂(1mL)依次放入密封耐压管中,并在120℃油浴下搅拌24个小时,TLC检测反应,终止反应,得到的反应混合液经过滤,乙酸乙酯洗脱,减压蒸馏除去溶剂,得到粗产品,然后将粗产品进行快速柱层析分离,即可获得结构式为式3a的芳基磺酰甲脒类化合物(其中,原料A和原料B中的R3以及R1、R2片段与式3a对应位置的基团相同):
Figure BDA0002784377800000061
实施例2
该实施例提供了一种磺酰甲脒类化合物的合成方法,其反应路线如下:
Figure BDA0002784377800000062
具体,该合成方法包括以下步骤:
在室温条件下称取CuBr催化剂(0.04mmol)、原料A(对甲基苯磺酰胺,0.2mmol)、原料B(N-甲基哌啶,0.4mmol)和二甲基亚砜溶剂(1mL)依次放入密封耐压管中,并在120℃油浴下搅拌24个小时,TLC检测反应,终止反应,得到的反应混合液经过滤,乙酸乙酯洗脱,减压蒸馏除去溶剂,得到粗产品,然后将粗产品进行快速柱层析分离,即可获得结构式为式3b的芳基磺酰甲脒类化合物(其中,原料A和原料B中的R3以及R1、R2片段所指代的基团与式3b对应位置的基团相同):
Figure BDA0002784377800000071
实施例3
该实施例提供了一种磺酰甲脒类化合物的合成方法,其反应路线如下:
Figure BDA0002784377800000072
具体,该合成方法包括以下步骤:
在室温条件下称取CuCl催化剂(0.02mmol)、原料A(对甲苯磺酰胺,0.2mmol)、原料B(N-甲基哌啶-4-羧酸甲酯,0.4mmol)和甲苯(1mL)依次放入密封耐压管中,并在120℃油浴下搅拌24个小时,TLC检测反应,终止反应,得到的反应混合液经过滤,乙酸乙酯洗脱,减压蒸馏除去溶剂,得到粗产品,然后将粗产品进行快速柱层析分离,即可获得结构式为式3c的芳基磺酰甲脒类化合物(其中,原料A和原料B中的R3以及R1、R2片段所指代的基团与式3c对应位置的基团相同):
Figure BDA0002784377800000073
实施例4
该实施例提供了一种磺酰甲脒类化合物的合成方法,其反应路线如下:
Figure BDA0002784377800000081
具体,该合成方法包括以下步骤:
在室温条件下称取CuCl催化剂(4.0g,0.04mmol)、原料A(对甲基苯磺酰胺,0.2mmol)、原料B(N-甲基哌啶4-(叔丁基二苯基甲硅烷基)氧基),0.4mmol)和二甲基甲酰胺溶剂(1mL)依次放入密封耐压管中并在120℃油浴下搅拌24个小时,TLC检测反应,终止反应,得到的反应混合液经过滤,乙酸乙酯洗脱,减压蒸馏除去溶剂,得到粗产品,然后将粗产品进行快速柱层析分离,即可获得结构式为式3d的芳基磺酰甲脒类化合物(其中,原料A和原料B中的R3以及R1、R2片段所指代的基团与式3d对应位置的基团相同):
Figure BDA0002784377800000082
实施例5
该实施例提供了一种磺酰甲脒类化合物的合成方法,其反应路线如下:
Figure BDA0002784377800000091
具体,该合成方法包括以下步骤:
在室温条件下称取CuBr催化剂(0.04mmol)、原料A(对甲苯磺酰胺化合物,0.2mmol)、原料B(N-甲基哌啶-4-((叔丁基二甲基甲硅烷基)氧基)亚甲基),0.4mmol)和均三甲苯溶剂(1mL)依次放入密封耐压管中,并在120℃油浴下搅拌24个小时,TLC检测反应,终止反应,得到的反应混合液经过滤,乙酸乙酯洗脱,减压蒸馏除去溶剂,得到粗产品,然后将粗产品进行快速柱层析分离,即可获得结构式为式3e的芳基磺酰甲脒类化合物(其中,原料A和原料B中的R3以及R1、R2片段所指代的基团与式3e对应位置的基团相同):
Figure BDA0002784377800000092
需要说明的是,可参照上述实施例1~5的提供的合成方法合成如下结构式的磺酰甲脒类化合物:
Figure BDA0002784377800000101
此次,上述合成路线可以应用于药物分子(塞来考昔)的衍生,具体合成路线如下:
Figure BDA0002784377800000102
其中,实施例1制得的结构式为式3a的磺酰甲脒类化合物的核磁氢谱图如附图1所示,实施例1制得的结构式为式3a的磺酰甲脒类化合物的核磁碳谱图如附图2所示。
另外,上述实施例得到的磺酰甲脒类化合物的分析与鉴定表征如下:
1、(E)-4-methyl-N-(morpholinomethylene)benzenesulfonamide(3a):
Figure BDA0002784377800000111
产率92%;1H NMR(600MHz,Chloroform-d)δ8.20(s,1H),7.77(d,J=6.0Hz,2H),7.27(d,J=12.0Hz,2H),3.77-3.72(m,2H),3.67(s,4H),3.53-3.45(m,2H),2.41(s,3H);13CNM R(150MHz,Chloroform-d)δ157.6,142.7,139.2,129.4,126.6,66.8,65.9,50.3,44.2,21.5.
2、(E)-4-methyl-N-(piperidin-1-ylmethylene)benzenesulfonamide(3b):
Figure BDA0002784377800000112
产率78%;1H NMR(600MHz,Chloroform-d)δ8.12(s,1H),7.77(d,J=8.3Hz,2H),7.25(s,2H),3.63-3.55(m,2H),3.44-3.37(m,2H),2.40(s,3H),1.69-1.58(m,6H);13C NMR(150MHz,Chloroform-d)δ157.3,142.4,139.7,129.3,126.5,51.9,44.7,26.4,24.9,24.0,21.5.
3、methyl(E)-1-((tosylimino)methyl)piperidine-4-carboxylate(3c):
Figure BDA0002784377800000113
产率85%;1H NMR(600MHz,Chloroform-d)δ8.14(s,1H),7.76(d,J=8.3Hz,2H),7.26(d,J=12Hz,2H),4.21(dt,J=13.5,4.3Hz,1H),3.71(s,3H),3.68-3.58(m,1H),3.37-3.29(m,1H),3.14-3.06(m,1H),2.67-2.56(m,1H),2.40(s,3H),2.08-2.00(m,1H),2.00-1.93(m,1H),1.84-1.76(m,1H),1.75-1.66(m,1H);13C NMR(150MHz,Chloroform-d)δ173.8,157.4,142.6,139.4,129.4,126.6,52.1,49.9,42.7,40.1,28.3,27.0,21.5.
4、(E)-N-((4-((tert-butyldiphenylsilyl)oxy)piperidin-1-yl)methylene)-4-methylbenzenesulfonamide(3d):
Figure BDA0002784377800000121
产率67%;1H NMR(600MHz,Chloroform-d)δ8.10(s,1H),7.76(d,J=8.3Hz,2H),7.63(ddd,J=8.1,4.6,1.4Hz,4H),7.46-7.42(m,2H),7.38(ddd,J=9.1,5.6,2.1Hz,4H),7.25(d,J=8.1Hz,2H),4.06(p,J=4.3Hz,1H),3.73(dq,J=13.2,7.1,6.1Hz,2H),3.65(dt,J=13.3,6.7Hz,1H),3.25(dt,J=13.0,4.9Hz,1H),2.39(s,3H),1.64(q,J=4.9Hz,2H),1.59(q,J=5.4,4.9Hz,2H),1.07(s,9H);13C NMR(150MHz,Chlorofor m-d)δ157.17,142.40,139.63,135.64,134.82,133.59,129.96,129.31,127.79,127.73,126.50,66.37,47.13,39.86,33.99,32.54,26.96,21.49,19.22.
5、(E)-N-((4-(((tert-butyldimethylsilyl)oxy)methyl)piperidin-1-yl)methylene)-4-methylbenzenesulfonamide(3e):
Figure BDA0002784377800000131
产率50%;1H NMR(600MHz,Chloroform-d)δ8.10(s,1H),7.74(d,J=8.3Hz,2H),7.22(s,2H),4.49-4.40(m,1H),3.58(ddt,J=13.1,4.5,2.1Hz,1H),3.42(qd,J=9.9,6.0Hz,2H),3.24(td,J=12.8,3.1Hz,1H),2.75(td,J=13.0,3.2Hz,1H),2.37(s,3H),1.84(d,J=13.1Hz,1H),1.76-1.68(m,2H),1.57(dd,J=34.4,7.1Hz,2H),0.85(s,9H),0.00(s,6H);13C NM R(150MHz,Chloroform-d)δ157.3,142.4,139.7,129.3,126.5,67.0,51.0,43.7,38.5,29.3,27.7,25.9,21.5,18.3,-5.4.
6、N-((E)-((3S,4R)-3-(((tert-butyldimethylsilyl)oxy)methyl)-4-(4-fluorophenyl)piperidin-1-y1)methylene)-4-methylbenzenesulfonamide(3f):
Figure BDA0002784377800000132
产率32%;(Z:E=1:1)1H NMR(600MHz,Chloroform-d)δ8.30(s,1H),7.88(dd,J=8.3,2.2Hz,2H),7.36(d,J=7.2Hz,2H),7.21-7.16(m,2H),7.10-7.05(m,2H),4.69-4.60(m,1H),3.89-3.71(m,1H),3.50-3.35(m,2H),3.31-3.25(m,1H),3.05-2.71(m,2H),2.52-2.48(m,3H),2.04-1.79(m,3H),0.94(s,9H),0.02--0.04(m,6H);13C NMR(151MHz,Chlorofor m-d)δ161.7(JCF=243Hz),157.4(JCF=7.5Hz),129.35,128.9(JCF=7.5Hz),128.7(JCF=7.5Hz),126.58,126.57,115.67,115.55,115.53,115.41,62.34,61.58,54.11,51.36,46.58,44.81,44.16,43.39,43.05,42.66,34.21,32.82,25.85,25.83,21.51,18.21,18.16,-5.65,-5.70,-5.73.
7、tert-butyl(E)-4-((tosylimino)methyl)piperazine-1-carboxylate(3g):
Figure BDA0002784377800000141
产率42%;1H NMR(600MHz,Chloroform-d)δ8.20(s,1H),7.77(d,J=8.3Hz,2H),7.27(d,J=6.5Hz,2H),3.62(t,J=5.3Hz,2H),3.53(dd,J=6.5,3.9Hz,2H),3.48-3.41(m,4H),2.41(s,3H),1.47(s,9H);13C NMR(150MHz,Chloroform-d)δ157.7,154.2,142.8,139.1,129.4,126.6,80.9,50.1,43.7,29.7,28.3,21.5,14.1.
8、(E)-4-methyl-N-(pyrrolidin-1-ylmethylene)benzenesulfonamide(3h):
Figure BDA0002784377800000152
产率35%;1H NMR(600MHz,Chloroform-d)δ8.32(s,1H),7.78(d,J=8.3Hz,2H),7.25(d,J=6.0Hz,2H),3.61-3.55(m,2H),3.50-3.44(m,2H),2.40(s,3H),1.98-1.93(m,4H);13C NMR(150MHz,Chloroform-d)δ155.8,142.4,139.7,129.3,126.6,50.0,46.5,25.0,24.4,21.5.
9、(E)-N-(morpholinomethylene)-4-nitrobenzenesulfonamide(3i):
Figure BDA0002784377800000151
产率32%;1H NMR(600MHz,Chloroform-d)δ8.32(d,J=8.8Hz,2H),8.21(s,1H),8.07(d,J=8.8Hz,2H),3.82-3.76(m,2H),3.71(s,4H),3.56-3.52(m,2H);13C NMR(151MHz,Chloroform-d)δ157.9,149.7,147.7,127.9,124.1,66.8,65.9,50.7,44.5.
10、(E)-4-ethyl-N-(morpholinomethylene)benzenesulfonamide(3j):
Figure BDA0002784377800000161
产率78%;1H NMR(600MHz,Chloroform-d)δ8.19(s,1H),7.79(d,J=8.3Hz,2H),7.29(d,J=8.4Hz,2H),3.78-3.72(m,2H),3.68(s,4H),3.49(dd,J=5.7,4.1Hz,2H),2.70(q,J=7.6Hz,2H),1.26(t,J=7.6Hz,3H);13C NMR(150MHz,Ch loroform-d)δ157.6,148.9,139.3,128.3,126.7,66.8,66.0,50.3,44.2,28.8,15.2.
11、(E)-2-methyl-N-(morpholinomethylene)benzenesulfonamide(3k):
Figure BDA0002784377800000162
产率80%;1H NMR(600MHz,Chloroform-d)δ8.19(s,1H),8.01-7.97(m,1H),7.41(td,J=7.5,1.4Hz,1H),7.29(s,2H),3.77-3.74(m,2H),3.70(d,J=1.6Hz,4H),3.52-3.46(m,2H),2.69(s,3H);13C NMR(150MHz,Chloroform-d)δ157.8,140.2,137.5,132.2,132.2,127.6,125.9,66.8,65.9,50.3,44.3,20.6.
11、(E)-N-(morpholinomethylene)benzenesulfonamide(31):
Figure BDA0002784377800000171
产率73%;1H NMR(600MHz,Chloroform-d)δ8.21(s,1H),7.91-7.87(m,2H),7.55-7.51(m,1H),7.51-7.45(m,2H),3.76(dd,J=5.5,4.3Hz,2H),3.69(s,4H),3.53-3.47(m,2H);13C NMR(150MHz,Chloroform-d)δ157.7,142.0,132.1,128.8,126.6,66.8,65.9,50.4,44.3.
12、(E)-N-(morpholinomethylene)-4-(trifluoromethyl)benzenesulfonamide(3m):
Figure BDA0002784377800000172
产率63%;1H NMR(600MHz,Chloroform-d)δ8.21(s,1H),8.01(d,J=8.2Hz,2H),7.74(d,J=8.2Hz,2H),3.80-3.75(m,2H),3.70(d,J=1.9Hz,4H),3.55-3.49(m,2H);13CNMR(151MHz,Chloroform-d)δ157.8,145.5,133.7(q,JCF=33.0Hz),127.1,125.96(q,JCF=3.0Hz),123.4(d,JCF=273.3Hz),66.8,65.9,50.5,44.4.
13、(E)-4-fluoro-N-(morpholinomethylene)benzenesulfonamide(3n):
Figure BDA0002784377800000181
产率65%;1H NMR(600MHz,Chloroform-d)δ8.19(s,1H),7.92-7.86(m,2H),7.18-7.11(m,2H),3.80-3.74(m,2H),3.69(q,J=2.5Hz,4H),3.55-3.47(m,2H);13C NMR(151MHz,Chloroform-d)δ164.8(d,JCF=253.7Hz),157.6,138.17(d,JCF=4.5Hz),129.2(d,JCF=10.6Hz),115.9(d,JCF=22.7Hz),50.42,44.30.
14、(E)-4-(tert-butyl)-N-(morpholinomethylene)benzenesulfonamide(3o):
Figure BDA0002784377800000182
产率65%;1H NMR(600MHz,Chloroform-d)δ8.20(s,1H),7.83-7.78(m,2H),7.52-7.44(m,2H),3.77-3.73(m,2H),3.69(s,4H),3.52-3.46(m,2H),1.33(s,9H);13C NMR(151MHz,Chloroform-d)δ157.6,155.7,139.0,126.4,125.8,66.8,66.0,50.3,44.2,35.1,31.1.
15、(E)-4-cyano-N-(morpholinomethylene)benzenesulfonamide(3p):
Figure BDA0002784377800000191
产率90%;1H NMR(600MHz,Chloroform-d)δ8.19(s,1H),8.05-7.94(m,2H),7.82-7.73(m,2H),3.83-3.75(m,2H),3.71(q,J=2.3Hz,4H),3.58-3.44(m,2H);13C NMR(150MHz,Chloroform-d)δ157.8,146.2,132.7,127.3,117.6,115.8,66.8,65.9,50.6,44.5.
16、(E)-N-(morpholinomethylene)thiophene-2-sulfonamide(3q):
Figure BDA0002784377800000192
产率42%;1H NMR(600MHz,Chloroform-d)δ8.19(s,1H),7.60(dd,J=3.7,1.4Hz,1H),7.52(dd,J=5.0,1.4Hz,1H),7.04(dd,J=5.0,3.7Hz,1H),3.79-3.75(m,2H),3.72(s,4H),3.55-3.49(m,2H);13C NMR(151MHz,Chloroform-d)δ157.7,143.5,131.0,130.9,127.1,66.8,66.0,50.5,44.4.
17、(E)-N-(morpholinomethylene)naphthalene-1-sulfonamide(3r):
Figure BDA0002784377800000193
产率85%;1H NMR(600MHz,Chloroform-d)δ8.48-8.45(m,1H),8.26(s,1H),7.96-7.84(m,4H),7.60(dddd,J=18.1,8.2,6.9,1.4Hz,2H),3.77-3.74(m,2H),3.68(s,4H),3.53-3.48(m,2H);13C NMR(151MHz,Chloroform-d)δ157.7,138.9,134.6,132.2,129.2,129.1,128.4,127.9,127.3,127.3,122.5,66.8,65.9,50.4,44.3.
18、(E)-4-acetyl-N-(morpholinomethylene)benzenesulfonamide(3s):
Figure BDA0002784377800000201
产率56%;1H NMR(600MHz,Chloroform-d)δ8.20(s,1H),8.06-8.02(m,2H),8.01-7.96(m,2H),3.81-3.74(m,2H),3.70(s,4H),3.55_3.48(m,2H),2.64(s,3H);13C NMR(151MHz,Chloroform-d)δ197.0,157.8,145.9,139.6,128.7,126.9,66.8,65.9,50.5,44.4,26.9.
19、(E)-N-(morpholinomethylene)-4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide(3t):
Figure BDA0002784377800000202
产率38%;1H NMR(600MHz,Chloroform-d)δ8.16(s,1H),7.90-7.83(m,2H),7.44-7.39(m,2H),7.17(d,J=7.9Hz,2H),7.11(d,J=8.2Hz,2H),6.73(s,1H),3.79-3.75(m,2H),3.72-3.66(m,4H),3.54-3.48(m,2H),2.38(s,3H);13C NMR(100MHz,CDCl3,ppm)δ=157.7,145.2,143.9(q,JCF=38.0,77.0Hz),142.0,141.6,139.7,129.7,128.7,127.7,125.7,125.4,121.1(d,JCF=268.0Hz),106.1,66.8,65.9,50.5,44.3,21.4。
以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。

Claims (10)

1.一种磺酰甲脒类化合物,其特征在于,所述磺酰甲脒类化合物的结构通式为式I:
Figure FDA0002784377790000011
式中,R1、R2片段为环胺或带有不同取代基的环胺,所述取代基为氟、氯、溴、氰基、氨基、芳基、羟基、羰基、酯基、硝基中的至少一种;R3为苯基及其衍生物、萘基及其衍生物、吡啶及其衍生物、噻吩及其衍生物中的任意一种。
2.根据权利要求1所述的一种磺酰甲脒类化合物,其特征在于,氨基为叔丁氧羰基保护的氨基;芳基为苯基或被取代的苯基;羟基为叔丁基二甲基硅基或叔丁基二苯基硅基保护的羟基;酯基为羧酸甲酯、乙酯、叔丁酯和苯酯的任意一种。
3.根据权利要求1所述的一种磺酰甲脒类化合物,其特征在于,R1、R2片段为N-甲基吗啡啉。
4.根据权利要求1所述的一种磺酰甲脒类化合物,其特征在于,R3为对甲基苯。
5.根据权利要求1所述的一种磺酰甲脒类化合物,其特征在于,所述磺酰甲脒类化合物的结构为式3a~式3t中的任一种:
Figure FDA0002784377790000021
6.一种如权利要求1~5中任一项所述的磺酰甲脒类化合物的合成方法,其特征在于,包括以下步骤:
将铜催化剂、原料A、原料B和溶剂进行反应后,再经提纯,得到所述磺酰甲脒类化合物;
其中,原料A、原料B的结构通式分别为式A和式B:
Figure FDA0002784377790000022
7.根据权利要求6所述的一种磺酰甲脒类化合物的合成方法,其特征在于,所述铜催化剂为CuCl和/或CuBr。
8.根据权利要求6所述的一种磺酰甲脒类化合物的合成方法,其特征在于,所述溶剂为二甲基亚砜、均三甲苯、二甲基甲酰胺和甲苯中的任一种。
9.一种如权利要求1~5中任一项所述的磺酰甲脒类化合物在在药物后期官能化中的应用。
10.根据权利要求9所述的一种磺酰甲脒类化合物在在药物后期官能化中的应用,其特征在于,所述药物为塞来考昔。
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CN114163401A (zh) * 2021-12-04 2022-03-11 商丘师范学院 一种n-苯磺酰甲脒化合物的制备方法及应用

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