国产伦精品免编号公布,色综合久久久无码中文字幕波多,久久www成人看片免费不卡,久久午夜无码鲁丝片午夜精品

 
Location:Home >>Product >>Intermediate

Methyltriphenylphosphonium bromide

Update time:2021/11/03 11:07:11  ???View:  
Triphenylmethylphosphonium bromide
Aliases: triphenylmethylphosphonium bromide, bromomethane triphenylphosphonium salt, methyl triphenylphosphonium 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 methyleneization 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(hào)-4 chemBlink Premium Supplier
美日韩在线视频一区二区三区| 久久精品国产69国产精品亚洲 | 午夜内射中出视频| 一本无码av中文出轨人妻| 在线观看国产精品普通话对白精品| 日韩人妻无码精品专区| 97久久国产成人免费网站| 国产精品无码av天天爽播放器| 潮喷大喷水系列无码视频| 加比勒色综合久久| 精品无码一区二区三区的天堂| 成人国产精品一区二区免费看| 亚洲AV无码成人精品区国产| 免费少妇荡乳情欲视频| 中文字幕+乱码+中文字幕无忧| 国模大尺度福利视频在线| 欧美丰满熟妇bbbbbb| 久久综合色一综合色88欧美| 国产男女爽爽爽免费视频| 久久精品国产精油按摩| 亚洲无码国产精品| 日韩精品一卡二卡3卡四卡2| 亚洲国产日韩一区三区| 免费无码又爽又刺激激情视频| 尤物精品视频无码福利网| 大香大香伊人在钱线久久| 好紧好爽好深再快点av在线| 国产精品久久| 免费乱码人妻系列无码专区| 大又大又粗又硬又爽少妇毛片 | 韩日美无码精品无码| 亚洲在线观看| 成人无码www在线看免费| 情人伊人久久综合亚洲| 无码h肉在线观看免费一区| 国产人妻人伦精品| 亚洲欧洲无码av一区二区三区| 久无码久无码av无码| 亚洲色婷婷婷婷五月基地| 大肉大捧一进一出好爽mba| 免费精品人在线二线三线区别 |