说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 异氰酸酯基
1)  isocyanate-group
异氰酸酯基
1.
Spectrophotometric determination of free isocyanate-group in polyurethane adhesive was studied.
研究了分光光度法测定聚氨酯胶粘剂中异氰酸酯基(NCO)含量的方法。
2.
The spectrophotometric determination of isocyanate-group in polyurethane were studied.
研究了分光光度法测定聚氨酯中微量异氰酸酯基的方法。
2)  2-Isocyanatopropane
异丙基异氰酸酯
3)  aromatic isocyanate
芳基异氰酸酯
1.
A novel and convenient one-step method for the synthesis of 1,3,4,-Triaryl-substituted-3,4,5,6-tetrahydropyrimidin-2(1H)-ones (3) was developed by cyclization of aromatic isocyanates (1) with 3-arylamino-1-phenylpropan-1-ones (2) under refluxing of toluene.
以芳基异氰酸酯(1)和β-芳胺基苯丙酮(2)为原料,甲苯为溶剂,在回流条件下一步有效地合成了1,3,4-三芳基取代3,4,5,6-四氢嘧啶-2(1H)-酮类化合物3,并研究了反应条件对产率的影响。
2.
A series of aromatic isocyanates were synthesized by adding dropwise corresponding arylamines into the solution of bis(trichloromethyl) carbonate (BTC) and refluxing.
将伯芳胺或其溶液滴加到双 (三氯甲基 )碳酸酯溶液中 ,经回流反应合成了相应的芳基异氰酸酯。
4)  glycosyl isothiocyanate
糖基异硫氰酸酯
1.
Fifteen target compounds were synthesized with the following three steps: amino acids were protected to form carbobenzoxyamino acid methyl esters, the carbobenzoxyamino acid methyl esters reacted with hydrazine to give carbobenzoxy amino acid hydrazides, and treatment of the carbobenzoxy amino acid hydrazides with glycosyl isothiocyanates afforded 3a~3o in 65%~86% yields.
通过对5种氨基酸酯化和氨基保护得到苄氧羰基氨基酸甲酯,经肼解制备苄氧羰基氨基酸酰肼,然后分别与3种不同的糖基异硫氰酸酯反应,制备了相应的目标化合物15个,且产率均在60%以上。
2.
The reaction of 2 with glycosyl isothiocyanates 3~5 gave the novel compounds, N-glycosyl-N'-amido thioureas 6~8.
以L-α-氨基酸为起始原料,经酯化、氨基保护、肼解制得N-对甲苯磺酰基-L-α-氨基酸酰肼2,再与糖基异硫氰酸酯3~5反应,得到9种新型N-糖基-N'-酰氨基硫脲6~8,然后在Hg(OAc)2/EtOH条件下关环,合成了一系列新的2-对甲苯磺酰氨基烃基-5-糖氨基-1,3,4-噁二唑类化合物9~11。
3.
The glycosyl isothiocyanates 1a~1c reacted with anhydrous hydrazine gave N-glycosyl- N'-aminothioureas 2a~2c, which then reacted further with 6-substituted-3-formylchromones 3a~3d to give a series of new N-glycosyl-N′-6-substitutedchromon-3-ylmethylideneaminothioureas 4a~4d, 5a~5d, 6a~ 6d.
糖基异硫氰酸酯(1a~1c)与无水肼反应,生成糖基氨基硫脲2a~2c,再与6-取代-3-甲酰基色酮3a~3d反应,得到一系列新的N-糖基-N′-(6-取代色酮-3-基-亚甲氨基)硫脲类化合物4a~4d,5a~5d,6a~6d。
5)  triazinyl-isocyanate
三嗪基异氰酸酯
1.
Ten new trisubstituted triazinyl carbamyl urea derivatives were synthesized by the reaction of N,N-dialkylurea and 4,6-dimethoxide-2-triazinyl-isocyanate under microwave irradiation.
以4,6-二烷氧基-2-三嗪基异氰酸酯和N,N-二取代脲为原料,合成了10个未见文献报道的标题化合物,其结构经1HNMR,IR和元素分析确证。
6)  phenyl isocyanate
苯基异氰酸酯
1.
The synthesis of phenyl isocyanate (PI) was studied by thermal decomposition of methyl N-phenyl carbamate (MPC) over tin catalysts.
对几种锡化合物催化苯氨基甲酸甲酯(MPC)热分解制苯基异氰酸酯(PI)反应进行了研究,发现二丁基氧化锡具有较高的催化活性。
2.
Main research trends for clean synthesis of phenyl isocyanate(PI)were reviewed.
综述了苯基异氰酸酯(PI)清洁生产工艺的现状及主要研究方向,重点介绍了苯氨基甲酸甲酯(MPC)热分解法合成PI的工艺,包括MPC的合成和热分解两部分。
补充资料:[(1-甲基-1,2-亚乙基)双(氧基)]双丙醇与1,1'-亚甲基双[4-异氰酸酯基苯]的聚合物
CAS:52747-01-0
分子式:(C15H10N2O2·C9H20O4)x
中文名称:[(1-甲基-1,2-亚乙基)双(氧基)]双丙醇与1,1'-亚甲基双[4-异氰酸酯基苯]的聚合物
英文名称:Propanol, [(1-methyl-1,2-ethanediyl)bis(oxy)]bis-, polymer with 1,1'-methylenebis[4-isocyanatobenzene]
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