DIRECT RING EXPANSION OF PENICILLINS TO 3-EXOMETHYLENE CEPHALOSPORINS

被引：16

作者：

BALDWIN, JE ^{[1
]}

ADLINGTON, RM ^{[1
]}

KANG, TW ^{[1
]}

机构：

[1] UNIV OXFORD,OXFORD CTR MOLEC SCI,OXFORD OX1 3QY,ENGLAND

来源：

TETRAHEDRON LETTERS | 1991年 / 32卷 / 48期

关键词：

D O I：

10.1016/0040-4039(91)85049-B

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A cobalt (I) mediated insertion-expansion-beta-elimination of iodomethylpenams and iodocephams provides an efficient route to commercially important 3-exomethylene cephalosporins.

引用

页码：7093 / 7096

页数：4

共 9 条

[1] THE RING EXPANSION OF PENAMS TO CEPHAMS - A POSSIBLE BIOMIMETIC PROCESS
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[2] RING EXPANSION OF PENAMS TO CEPHAMS - A POSSIBLE BIOMIMETIC PROCESS
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[3] COBALT-MEDIATED CYCLIZATION OF AMINO-ACID DERIVATIVES - APPLICATION TO THE KAINOIDS
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[5] CHEMISTRY OF CEPHALOSPORIN ANTIBIOTICS .29. 3-HALO-3-CEPHEMS AND 3-METHOXY-3-CEPHEMS
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[6] KAMIYA T, 1973, TETRAHEDRON LETT, P3001
[7] CHEMISTRY OF CEPHALOSPORIN ANTIBIOTICS .3. CHEMICAL CORRELATION OF PENICILLIN AND CEPHALOSPORIN ANTIBIOTICS
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[8] COBALT-MEDIATED RADICAL REACTIONS IN ORGANIC-SYNTHESIS
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[9] SPRY DO, 1985, HETEROCYCLES, V23, P1901

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