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An efficient synthesis of phosphenimidous esters, ROPNAr

✍ Scribed by Vadim D. Romanenko; Grigorii V. Reitel; Alexander N. Chernega; Oleg V. Kirichenko; Alexander V. Ruban; Michel Sanchez; Robert Wolf; M. R. Mazières

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
444 KB
Volume
3
Category
Article
ISSN
1042-7163

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✦ Synopsis

Trimethylsilyltrifluoromethane sulfonate is shown to be an eficient catalyst for the elimination of Me,SiCl from N-trimethylsilyl-N4 2,4,6-tri-tevt-butylphen -y1)amidochlorophosphites la-f, leading to the phosphenimidous esters 3a-f. The crystal structures of phosphites l a and Id provide a stereochemical explanation for the better thermal stability of Id. On the basis of these observations a conuenient and general synthesis of phosphenimidous esters 3a-f is presented.

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