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Preparation of simple N-(dialkylphosphinoyl)hydroxylamines and alkyl migration in the rearrangements of their O-p-nitrobenzenesulphonates

โœ Scribed by Martin J.P. Harger; P. Andrew Shimmin

Publisher
Elsevier Science
Year
1991
Tongue
French
Weight
158 KB
Volume
32
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

N-Phosphinoylhydroxylamines containing only simple alkyl groups (Me, Et, Ps) can be prepared using Me3SiNHOSiMe3; alkyd groups migrate from P to N when the derived O-p-nitrobenzenesulphonates react with base.

๐Ÿ“œ SIMILAR VOLUMES

N-(dialkylphosphinoyl)hydroxylamines : P
N-(dialkylphosphinoyl)hydroxylamines : Preparation using N,O-bis(trimethylsilyl)hydroxylamine and migration of simple alkyl groups in the rearrangements of their O-p-nitrobenzenesulphonates
โœ Martin J.P. Harger; P.Andrew Shimmin ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 847 KB

Abstruct : Treatment of &,P(O)Cl with MesSiNI-IOSiM~ gives Pr$P(0)NHOSiMes. which is desilylated by methanol giving P&P(O)NHOH. The 0-p-nitrobenz.enesulphonyI derivative of this rearranges with KOBu' in BuYIH, an isopropyl group migrating from P to N and the phosphonamidate R'P(O)(OBu?NIIpi being fo