PHOTOCHEMISTRY OF N-PHTHALOYL DERIVATIVES OF METHIONINE

被引：36

作者：

GRIESBECK, AG ^{[1
]}

MAUDER, H ^{[1
]}

MULLER, I ^{[1
]}

PETERS, EM ^{[1
]}

PETERS, K ^{[1
]}

VONSCHNERING, HG ^{[1
]}

机构：

[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY

来源：

TETRAHEDRON LETTERS | 1993年 / 34卷 / 03期

关键词：

PHOTODECARBOXYLATION; PET-INITIATED LACTONIZATION; PHTHALIMIDE PHOTOCHEMISTRY; METHIONINE DERIVATIVES;

D O I：

10.1016/0040-4039(93)85100-B

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Photodecarboxylation of N-phthaloyl derivatives of methionine sulfoxide 1b and methionine sulfone 1c was observed in acetone as the major reaction. For 1a a fast electron transfer initiated cyclization which leads to the bicyclization product 3 (X-ray structure) was observed in the sensitized photolysis. Direct photolysis of 1a leads preferentially to the tricyclic product 4 and the decarboxylation product 5. The methionine methyl esters 6a-c showed electon transfer initiated cyclization (for 6a) and disproportionation (for 6b), whereas 6c proved to be photostable.

引用

页码：453 / 456

页数：4

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