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A new rearrangement in phosphorus chemistry

✍ Scribed by Igor V. Shevchenko; Reinhard Schmutzler

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
484 KB
Volume
4
Category
Article
ISSN
1042-7163

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✦ Synopsis

Abstract

The oxidation of 1,5‐dimethyl‐2,4‐bis(diethylamino)‐1,5‐diaza‐2,4‐diphosphorinan‐6‐one 5 with tetrachloroorthobenzoquinone (TOB) leads to the formation of the spirophosphorane 9, which is unstable and undergoes an unusual spontaneous rearrangement into the isomeric methylenephosphinophosphorane 11. The sulfuration of 9 and 11 gives the stable isomers 12 and 19, exhibiting no tendency of mutual transformation. The mechanism of the isomerization of 9 into 11 is discussed. Some chemical properties of 9 and 11 have been investigated.

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