1) 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。
2) Substituted hydrazinecarboxyamides
取代氨基脲
3) substituted tiazinyl carbmylurea
取代氨基甲酰脲
4) 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。
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) Carbamido substituted
脲基取代
补充资料：1,4-二苯氨基氨基硫脲
分子式：
CAS号：
性质：又称1,4-二苯基氨基硫脲。无色针状晶体或棱形晶体，贮存中变为玫瑰色。溶于甲醇、乙醇、乙醚、二硫化碳，不溶于水。用于光度法测定钌、铼。
CAS号：
性质：又称1,4-二苯基氨基硫脲。无色针状晶体或棱形晶体，贮存中变为玫瑰色。溶于甲醇、乙醇、乙醚、二硫化碳，不溶于水。用于光度法测定钌、铼。
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