NOVEL QUASIPHOSPHONIUM YLIDES FROM THE REACTION OF TRIALKYL PHOSPHITES WITH DIALKYL BENZOYLPHOSPHONATES - EVIDENCE FOR CARBENE INTERMEDIATES IN THE INTRAMOLECULAR CYCLIZATION OF 2-SUBSTITUTED DIALKYL BENZOYLPHOSPHONATES

被引：23

作者：

GRIFFITHS, DV

GRIFFITHS, PA

WHITEHEAD, BJ

TEBBY, JC

机构：

[1] UNIV KEELE,DEPT CHEM,KEELE ST5 5BG,STAFFS,ENGLAND

[2] STAFFORDSHIRE POLYTECH,DEPT APPL SCI,STOKE ON TRENT ST4 2DE,STAFFS,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1992年 / 04期

关键词：

D O I：

10.1039/p19920000479

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The reaction of dialkyl aroylphosphonates 1 with trialkyl phosphites leads to the formation of novel quasiphosphonium ylides 4 which in some cases thermally rearrange to the bisphosphonates 5. 2-Substituted dialkyl aroylphosphonates may also undergo intramolecular cyclisation under these conditions. Evidence is presented for the involvement of the carbene intermediates 3.

引用

页码：479 / 484

页数：6

共 9 条

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