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1)  thiocarbohydrazide
二氨基硫脲
1.
Three new asymmetric bis-Schiff bases containing thiocarbohydrazide were synthesized by the reaction of thiocarbohydrazide with ketone and different aldehydes step by step.
通过二氨基硫脲与酮或不同的醛进行分步反应,合成了3种未见报道的不对称双席夫碱。
2)  1,3-thiocarbonohydrazide (TCH)
1,3-二氨基硫脲
1.
The dithiocarbohydrazones were synthesized by aromatic aldehyde or aromatic ketone with thiocarbonohydrazide to boserve their photoelectric properties.
由芳香醛、酮和1,3-二氨基硫脲合成了双缩二氨基硫脲类希夫碱,并用1H NMR、IR对其结构进行了确证。
2.
Four asymmetric bis(thiosemicarbazone) 3a~3d are synthesized from the following steps: firstly hydrazine reacted with carbon disulfide carbonate,catalyzed by 2-chloroethanol,to form thiocarbonohydrazide(1) with yield of 82%,then the compound(1) further reacted with ketone or aldehyde in ethanol at 780C step by step to give 3a~3d with yields of 70%~87%.
H2O反应制得1,3-二氨基硫脲1。
3)  dithiocarbohydrazone
双缩二氨基硫脲
1.
Nine new substituted-benzaldehyde dithiocarbohydrazones were synthesized by reaction of dithiocarbohydrazide with substituted-benzaldehydes in the presence of ethanol and the structures were characterized by 1H NMR, IR and elemental analysis.
合成了9个新的取代苯甲醛双缩二氨基硫脲化合物,其结构均经1HNMR,IR和元素分析表征。
4)  Thiocarbohydrazide
均二氨基硫脲
5)  dithiosemicarbazone
二硫代缩氨基脲
6)  1,5-diphenylthio-carbohydrazide
1,5-二苯氨基二氨基硫脲
补充资料:二氨基硫脲
分子式:CH6H4S
分子量:106.15
CAS号:2231-57-4

性质:白色片状或柱状结晶。熔点170℃(分解)。溶于热水,微溶于冷水。

制备方法:由水合肼与二硫化碳缩合而得。将水合肼水溶液冷至15℃,缓缓加入二硫化碳,即有白色的二硫代甲酰肼析出。加毕,搅拌半小时,然后升温至80℃,反应物开始分解。加热至93℃时反应猛烈,逸出大量硫代氢气体。继续加热3h,静置过夜,滤出结晶,并用4倍沸水重新结晶,即得成品。

用途:用于有机合成。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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