麻豆乱码国产一区二区三区,亚洲欧美18岁网站,午夜精品久久久久久99热,国产乱码一二三区精品

 
Location:Home >>Product >>Intermediate

Methyltriphenylphosphonium bromide

Update time:2021/11/02 09:05:11  ???View:  
Triphenylmethylphosphonium bromide
Alias: triphenylmethylphosphonium bromide, bromomethane triphenylphosphonium salt, methyltriphenylphosphonium bromide, triphenylmethylphosphonium bromide
CAS: 1779-49-3
Molecular formula: C19H18PBr

Main content ≥99%
Packing: 25KG cardboard drum
Properties: white powdery solid
Uses: used in organic synthesis; use Wittig reagents, used in the preparation of alkenes, to increase the carbon number of unsaturated carbon chains. The ylide precursor of the Wittig reaction is widely used in the synthesis of unsaturated bonds in liquid crystal materials; it is a good cationic phase transition catalyst; it is widely used in the methylene reaction by using the Wittig reaction and widely used in Chemicalbook; Wittig Alkylene salt, after ring-closing metathesis, is used to synthesize an enyne that can provide a benzoazepine heterocyclic system; Wittig olefinic salt, recently used to synthesize enynes, through ring-closing metathesis to generate a benzazepine ring system . It is widely used in methylene through Wittig reaction.
------分隔線----------------------------

Service Hotline:

You only need a phone call, we will serve you attentively

Consult now
Copyright © Shandong Zhengji Chemical Co., Ltd.  All Rights Reserved   Case Number :魯ICP備20007847號-4 chemBlink Premium Supplier
美女网站免费观看视频| 国产中文字幕乱人伦在线观看| 人妻人人做人做人人爱| 又色又爽又黄无遮挡的免费的软件| 免费国产黄网站在线观看视频| 国产亚洲欧美精品一区| 无码人妻久久一区二区三区不卡| 成人区人妻精品一区二区不卡网站| 少妇无码av无码专区在线观看| 国产色视频免费| 一区二区三区人妻无码| 午夜无码伦费影视在线观看| 亚洲avav天堂av在线网爱情| 精品人妻无码视频中文字幕一区二区三区| 国语自产偷拍精品视频偷拍| 免费观看激色视频网站| 亚洲欧美日韩中文字幕一区二区三区| 色777狠狠狠综合| av综合网男人的天堂| 亚洲学生妹高清av| 久久精品国产免费观看三人同眠| 最近中文字幕国语免费| 国产精品久久久久久搜索| 色多多性虎精品无码av| 国产激情久久久久影院小草| 国产精品美女久久久久av超清| 久久久久亚洲av无码专区桃色| 精品一区二区三区在线成人| 免费又黄又爽又色的视频| 国产成人av无码永久免费一线天| 天天爽夜夜爱| 天天干成人网| 欧美顶级少妇作爱| 无码精品黑人一区二区三区| 99久久精品国产成人综合| 无码精品日韩中文字幕| 亚洲av成人无码一二三在线观看| 熟妇高潮精品一区二区三区| 久久综合丝袜日本网| 国产欧美日韩专区发布| 天下第二社区在线视频|