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(hào)-4 chemBlink Premium Supplier
主站蜘蛛池模板: 公么大龟弄得我好舒服秀婷视频| 波多野结av衣东京热无码专区| 少妇大胆瓣开下部自慰| 国产欧美日韩精品丝袜高跟鞋| 欧美日韩精品suv| 中文字幕久久久久人妻中出| 麻豆av无码蜜臀av| 日本真人添下面视频免费| 天天爽夜夜爽夜夜爽| 国产精品露脸视频观看| 亚洲va中文字幕无码久久| 亚洲中文久久精品无码浏不卡| 老色鬼在线精品视频在线观看| 无码h肉男男在线观看免费| 国产亚洲精品久久久久久彩霞| 精品一区精品二区制服| 国产色无码精品视频国产| 欧美99久久无码一区人妻a片| 人妻av久久一区波多野结衣| 亚洲色无码综合图区手机| 欧牲交a欧美牲交aⅴ| 亚洲日本一区二区三区在线| av东京热无码专区| 人妻无码一区二区不卡无码av| 国产欧美综合在线观看第十页| 中文字幕一二三区波多野结衣 | 少妇无码一区二区三区| 黑人巨大av在线播放无码| 国产国语老龄妇女a片| 亚洲日韩成人无码| 日韩乱码人妻无码中文视频| 日本老熟欧美老熟妇| 伊人久久综合成人网| 人妻少妇熟女javhd| 精品亚洲欧美自拍| 蜜芽av无码精品国产午夜| 国精产品48x国精产品| 中文区中文字幕免费看| 一本大道熟女人妻中文字幕在线| 亚洲色婷婷一区二区三区| 天天躁日日躁狠狠躁超碰97|