
n. ***************
Diphenylmethane would have a two proton peak.
二苯甲烷必定有一个二质子的峰。
Status quo of the technology, production, and market at home and abroad of 4,4'-diphenylmethane-diisocyanate (MDI) was summarized.
综述了国内外4,4’二苯甲烷二*********酯(MDI)的工艺技术、生产及市场供需现状。
CONCLUSION: compound 1 was a new diphenylmethane derivative, and compounds 2-6 were isolated from the genus Uvaria for the first time.
结论:化合物1是一个新的二苯甲烷类衍生物,化合物2 - 6皆为紫玉盘属植物中首次分到。
The results show that the application of iron acetate catalyst can not only promote diphenylmethane conversion, but also accelerate the reaction rate.
研究表明用醋酸铁作催化剂不仅可以使二苯甲烷的转化率增加,而且可使反应速度加快。
This system also can catalyze the reaction of benzene with alkyl chloride, in which only the desired diphenylmethane is isolated in good yield (5 equiv. ).
催化烷基氯和苯的反应,其中************和苯反应得到5倍量的单一产物二苯甲烷。
n.|ditan;***************
二苯甲烷(Diphenylmethane)是一种重要的有机化合物,其分子结构可视为甲烷(CH₄)分子中的两个氢原子被两个苯基(-C₆H₅)取代后形成的化合物,因此其化学式为 (C₆H₅)₂CH₂。以下是关于它的详细解释:
结构与基本性质
化学性质
合成方法
主要用途
安全性与法规
二苯甲烷是一种结构简单但用途广泛的芳香族化合物,其核心结构特征是两个苯环通过亚甲基相连。它既是重要的香料成分,更是化学工业中合成染料、医药、高分子材料(如聚氨酯)关键中间体的基础原料。其合成主要通过傅-克烷基化反应实现。
来源参考:
pubchem.ncbi.nlm.nih.gov/compound/Diphenylmethane
www.fda.gov
(可查询相关物质法规)www.sciencedirect.com
(可搜索相关化合物应用,如聚氨酯原料MDI)Diphenylmethane(二苯甲烷)是一种有机化合物,其化学结构由两个苯环通过一个亚甲基(-CH₂-)连接而成。以下是详细解释:
如需更详细的安全性数据或合成路径,建议参考化学专业数据库或文献。
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