1) disubstituted semicarbazide
二取代氨基脲
1.
In this paper, fifteen new 1,4-disubstituted semicarbazides were syntheszed.
通过芳基脲与苯肼、苯甲酰肼的亲核取代反应和芳肼与尿素的亲核取代反应，合成了１５种新的１，４—二取代氨基脲化合物，其结构已经元素分析、ＩＲ、ＨＮＭＲ、ＭＳ等确证。
2) substituted semicarbazide
取代氨基脲
1.
By using Fe 2(SO 4) 3·6H 2O/H 2SO 4 as the oxidation reagents for dehydrogenating aryl substituted semicarbazide to form azo compounds is described for first time.
1 试剂与仪器二芳基取代氨基脲按文献法 [5,6]合成 :Kofler显微熔点。
3) Substituted hydrazinecarboxyamides
取代氨基脲
4) substituted tiazinyl carbmylurea
取代氨基甲酰脲
5) N-substituted thiosemicarbazide
N-取代氨基硫脲
1.
Ten new 4\'\'-(3\'\'\',4\'\'\'-diaza-2\'\'\'-imino-1\'\'\'-thia-1\'\'\',4\'\'\'-butylene)-4\'\'-deoxyavermectin B1a derivatives 7a～7j were synthesized from avermectin B1a by the selective protection of C-5-hydroxy group and oxidation of C-5\'\'-hydroxy group followed by condensation with N-substituted thiosemicarbazides, oxidative cyclization by treatment with manganese dioxide and deprotection.
以阿维菌素B1a为原料经选择性C-5羟基保护、氧化合成5-O-烯丙氧羰基-5\'\'-氧代-5\'\'-脱氧阿维菌素B1a(3),然后与N-取代氨基硫脲偶联,缩合产物经MnO2氧化关环、脱保护得到10个未见文献报道的4\'\'\'-(1\'\'\'-硫杂-2\'\'\'-亚氨基-3\'\'\',4\'\'\'-二氮杂-1\'\'\',4\'\'\'-亚丁基)-4\'\'-脱氧阿维菌素B1a(7a～7j)。
6) dithiosemicarbazone
二硫代缩氨基脲
补充资料：1,5-二苯氨基二氨基硫脲
分子式：
CAS号：
性质：又称1,5-二苯基硫羰卡巴肼，或二苯基硫代羰二肼。晶体，溶于碱则分解，微溶于冷乙醇及苯，加热时变为绿色。熔点150℃。用作检验铋、镉、钴、铜、汞、铅、银、镍、锰。
CAS号：
性质：又称1,5-二苯基硫羰卡巴肼，或二苯基硫代羰二肼。晶体，溶于碱则分解，微溶于冷乙醇及苯，加热时变为绿色。熔点150℃。用作检验铋、镉、钴、铜、汞、铅、银、镍、锰。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条