Alkoxypyrazoles and the process for their preparation
申请人:Institut Pasteur
公开号:EP2151433A1
公开(公告)日:2010-02-10
The present invention relates to a alkoxypyrazoles preparation process, and new alkoxypyrazole compounds.
本发明涉及一种烷氧基吡唑的制备方法,以及新的烷氧基吡唑化合物。
[EN] NEW ALKOXYPYRAZOLES<br/>[FR] NOUVEAUX ALCOXYPYRAZOLES
申请人:PASTEUR INSTITUT
公开号:WO2010015657A2
公开(公告)日:2010-02-11
The present invention relates to a alkoxypyrazoles preparation process, and new alkoxypyrazoles compounds.
Pyrazole-3/5-carboxylic acids from 3/5-trifluoromethyl NH-pyrazoles
作者:Mikhail S. Ermolenko、Sandrine Guillou、Yves L. Janin
DOI:10.1016/j.tet.2012.10.034
日期:2013.1
transformation of 3/5-trifluoromethylpyrazoles derivative into the corresponding NH-pyrazole-3/5-carboxylic acids. Moreover, from 4- or 5-iodinated-3/5-trifluoromethylpyrazoles buildingblocks and the use of Suzuki–Miyaura or Negishi reactions followed by the trifluoromethyl hydrolysis, we illustrate short and original accesses to many series of NH-pyrazole-3/5-carboxylic acids otherwise difficult to prepare.