1221171-77-2Relevant articles and documents
METHOD FOR THE PREPARATION OF FUNCTIONALIZED TRIHALOMETHOXY SUBSTITUTED PYRIDINES
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Page/Page column 31-32, (2010/04/28)
The present invention pertains to a process for the preparation of functionalized trihalomethoxypyridines of formula (I) comprising reacting hydroxypyridines with thiophosgene in the presence of a base; reacting the obtained chlorothionoformiates with elemental chlorine and finally converting trichloromethoxy pyridines to trihalomethoxy pyridines using a fluoride source.
A general approach to (trifluoromethoxy)pyridines: First X-ray structure determinations and quantum chemistry studies
Manteau, Baptiste,Genix, Pierre,Brelot, Lydia,Vors, Jean-Pierre,Pazenok, Sergiy,Giornal, Florence,Leuenberger, Charlotte,Leroux, Frederic R.
experimental part, p. 6043 - 6066 (2011/02/26)
The previously unknown 2-, 3-, and 4-(trifluoromethoxy)pyridines have now become readily accessible by means of an efficient and straightforward large-scale synthesis. Their regioselective functionalization by organometallic methods has been studied and has afforded new and highly important building blocks for life-sciences-oriented research. In addition, the first X-ray crystallographic structure determinations of (trifluoromethoxy)pyridines have been performed. Lowest-energy conformations of (trifluoromethoxy)pyridines and (trifluoromethoxy)pyridinium cations were determined by in silico studies. A general and efficient route to (trifluoromethoxy)pyridines is reported. Regioselective functionalization by organometallic methods afforded new and highly important building blocks for life-sciences-oriented research. The first X-ray crystallographic structure determinations of (trifluoromethoxy)pyridines have been performed and supported by in silico studies.