亚洲精品第一国产综合亚av-色翁荡息又大又硬又粗又爽-成人精品天堂一区二区三区-嫩草研究院久久久精品-国产亚洲美女精品久久久久

 
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
主站蜘蛛池模板: 日韩少妇白浆无码系列| 性欧美牲交在线视频| 午夜精品久久久内射近拍高清| 精选国产av精选一区二区三区| 成年无码按摩av片在线观看 | 欧美日韩亚洲国内综合网38c38| 一区二区三区午夜无码视频| 久久九九有精品国产| 羞羞视频在线观看| 狠狠狠色丁香综合婷婷久久| 日韩精品一卡二卡3卡四卡2| 精品无人乱码一区二区三区| 国产偷窥熟精品视频| 又黄又爽又猛的视频免费| 人妻中出受孕 中文字幕在线| 精品久久久久中文字幕加勒比| 中文字幕乱码亚洲无线三区| 久久久久青草线蕉综合| 中文字幕乱码亚洲无线码三区| 韩国三级l中文字幕无码| 国产精品成人观看视频| 欧美黑人巨大videos极品| 无码国产成人久久| 国产成年码av片在线观看| 欧美老妇bbbwwbbbww| 成人精品一区二区三区电影免费| 日韩av无码一区二区三区不卡毛片| 国产强伦姧在线观看无码| 四虎影视永久无码精品| 中文字幕免费视频| 亚洲大尺度无码无码专线| 亚洲中文字幕在线第二页| 欧美伦费免费全部午夜最新| 无码里番纯肉h在线网站| 欧美黑人性暴力猛交高清| 精品爽爽久久久久久蜜臀| 激情综合五月丁香亚洲| 众筹模特内部视频2023年最新一期| 色喜国模李晴超大尺度| 18禁无码无遮挡在线播放| 国产成人精品午夜二三区波多野|