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A simple route to novel 2,5-dihydro-1,5,2-diazaphosphinines from primary enamine phosphonates

✍ Scribed by Francisco Palacios; Ana M Ochoa de Retana; Sergio Pascual; Rafael López de Munain

Book ID: 104251654
Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 83 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(02)01272-8

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✦ Synopsis

A simple method for the preparation of phosphorus-containing pyrimidine analogues such as 4,6-disubstituted-2ethoxy-2,5-dihydro-1,5,2-diazaphosphinine 2-oxides 5 from primary enamine phosphonates and nitriles is described. A similar strategy is used for the synthesis of the corresponding 4,6-difluorinated-1,5,2-diazaphosphinine 2-oxide derivatives 8.

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