Synthesis of difluorinated β-ketosulfones and novel gem-difluoromethylsulfone-containing heterocycles as fluorinated building blocks
H Loghmani-Khouzani, D Hajiheidari
Index: Loghmani-Khouzani, Hossein; Hajiheidari, Dariush Journal of Fluorine Chemistry, 2010 , vol. 131, # 5 p. 561 - 569
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Citation Number: 7
Abstract
A series of new heterocyclic β-ketosulfides was prepared by the reaction of the corresponding heterocyclic thiols with α-bromoacetophenone and its derivatives. Oxidation of the products using m-CPBA gave the corresponding heterocyclic β-ketosulfones, which, on treatment with Selectfluor™ under anhydrous condition underwent electrophilic fluorination resulting in new heterocycles with difluoromethylene moiety adjacent to the ...
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