Tetrahedron Letters

Un Nouveau diphosphene stable: Le bis [tris (trimethylsilyl) methyl] diphosphene

C Couret, J Escudié, J Satgé

Index: Couret, Claude; Escudie, Jean; Satge, Jacques Tetrahedron Letters, 1982 , vol. 23, # 47 p. 4941 - 4942

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Citation Number: 44

Abstract

A new stable diphosphene (Me 3 Si) 3 CPPC(SiMe 3 ) 3 has been isolated and characterized particularly by its NMR data; the 31 P NMR chemical shift appears to be the largest ever observed. ... La méthode utilisée pour la synthèse du bis(tri-tert-butylphényl-2,4,6)diphosphéne ( 2 ) nést pas applicable: en effect 1 ne réagit pas avec le magnésium, mĕme aprés un chauffage prolongé au reflux au THF. ... L'utilisation d'um lithien encombré tel que le ...

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