国产同性野外打野战-精品国产免费久久久久久婷婷-日韩精品视频在线观看一区二区-99免费精品视频-国产色婷婷久久99精品91-丰满女人又爽又紧又丰满-日本高清裸体私密写真集-av免费黄色-av导航网址-欧美一级片免费-中文字幕免费不卡二区-亚洲第一页视频-国产69精品久久久久99-日本老熟妇乱子伦视频-精品国产乱码久久久久久蜜臀

 
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