午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 2,5-Difluorobenzoic acid
2991-28-8

2,5-Difluorobenzoic acid synthesis

8synthesis methods
2,5-Difluorobenzoic acid can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly in laboratory research and development. It can be synthesized by oxidation reaction of 1,2,4-Trifluorobenzene as raw material .
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1.1: BuLi / tetrahydrofuran / -70 °C
1.2: tetrahydrofuran
2.1: 16 percent Spectr. / Na; NH3 / 0.25 h / -45 °C

References:

Konovalov, Valery V.;Laev, Sergey S.;Beregovaya, Irina V.;Shchegoleva, Lyudmila N.;Shteingarts, Vitalij D.;Tsvetkov, Yuri D.;Bilkis, Itzhak [Journal of Physical Chemistry A,2000,vol. 104,# 2,p. 352 - 361]

FullText

2,5-Difluorobenzoic acid Related Search: