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Original Articles

METALLA IVb-PHOSPHOLANNES II-METALLA-2 (OXA-, THIA- ou AZA-)-3 PHOSPHOLANNES

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Pages 279-286 | Received 21 Jul 1981, Published online: 03 Jan 2007
 

Abstract

2-sila-, germa- or stanna- 3-(oxa-, thia- or aza-) phospholanes have been synthesized by reactions of dihalometalla-IVb compounds with dilithiated β-phosphorus alcohols, thiols or amines HYCH2CH2P(H)Ph (Y = O, S, NMe). Germa- and stanna- heterocycles can also be obtained from germyl- or stannyidiamines and the same β-phosphorus alcohols, thiols or amines. 2-sila 3-(oxa- or thia-) phospholanes are of particular interest for their decomposition reaction leading to silanone [R2Si=O] or silathione [R2Si=S] and phosphirane.

Des sila-, germa- et stanna-2 (oxa-, thia- ou aza-)-3 phospholannes sont préparés par réactions entre des dihalogénures organométalliques et les dérives dilithiés d'alcools, thiols ou amines β-phosphorés HYCH2CH2P(H)Ph (Y = O, S NMe). Les hétérocycles germaniés et stanniques peuvent aussi ětre obtenus à partir de germyl- ou stannyldiamines et des měmes alcools, thiols ou amines β-phosphorés. Les sila-2 (oxa- ou thia-)-3 phospholannes présentent un intérět particulier par leur mode de décomposition en silanone [R2Si=O] ou silathione [R2Si=S] et phosphiranne.

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