REARRANGEMENT OF TOSYL GROUP OF 3,4-DISUBSTITUTED 2-TOSYLPYRROLES UNDER MILD ACIDIC CONDITIONS

被引：18

作者：

KOHORI, K ^{[1
]}

KINOSHITA, H ^{[1
]}

INOMATA, K ^{[1
]}

机构：

[1] KANAZAWA UNIV, FAC SCI, DEPT CHEM, KANAZAWA, ISHIKAWA 92011, JAPAN

来源：

CHEMISTRY LETTERS | 1995年 / 09期

关键词：

D O I：

10.1246/cl.1995.799

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Tosyl group of 3,4-disubstituted 2-tosylpyrroles easily rearranged from 2- to 5-position by treatment with TFA. The ratio of the regioisomers at equilibrium was definitely influenced by the bulkiness of the substituent at 3-position of the starting 2-tosylpyrroles.

引用

页码：799 / 800

页数：2

共 4 条

[1]

BARTON DHR, 1990, TETRAHEDRON, V46, P7587

[2] CONVENIENT AND REGIOSELECTIVE SYNTHESES OF 3,4-DISUBSTITUTED DELTA-3-PYRROLIN-2-ONE DERIVATIVES STARTING FROM 2-TOSYL-3,4-DISUBSTITUTED PYRROLES [J].

KINOSHITA, H ;

HAYASHI, Y ;

MURATA, Y ;

INOMATA, K .

CHEMISTRY LETTERS, 1993, (08) :1437-1440

[3] A NEW AND CONVENIENT WITTIG-TYPE REACTION FOR THE PREPARATION OF PYRROMETHENONE DERIVATIVE [J].

KINOSHITA, H ;

NGWE, H ;

KOBORI, K ;

INOMATA, K .

CHEMISTRY LETTERS, 1993, (08) :1441-1442

[4] A NOVEL SYNTHESIS OF C/D-RINGS COMPONENT OF PHYTOCHROMOBILIN DIMETHYL ESTER [J].

KOHORI, K ;

HASHIMOTO, M ;

KINOSHITA, H ;

INOMATA, K .

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1994, 67 (11) :3088-3093

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