A NEW ROUTE TO HETEROCYCLIC FUSED 2,5-DIHYDROTHIOPHENE S,S-DIOXIDES - FORMATION OF PYRAZOLE ANALOGS OF ORTHO-XYLYLENES

被引：19

作者：

CHALONER, LM

CREW, APA

STORR, RC

YELLAND, M

机构：

[1] UNIV LIVERPOOL,SCH CHEM,POB 147,LIVERPOOL L69 3BX,ENGLAND

[2] ICI FINE CHEM MFG ORG,MANCHESTER M9 3DA,ENGLAND

来源：

TETRAHEDRON LETTERS | 1991年 / 32卷 / 51期

关键词：

2,5-DIHYDROTHIOPHENE S,S-DIOXIDES; DIAZOMETHANE ADDITION; HETEROCYCLIC XYLYLENES; DIHYDRO-BIS-METHYLENEPYRAZOLES;

D O I：

10.1016/0040-4039(91)80547-J

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Addition of diazomethane to 3-phenylsulphonyl-2,5-dihydrothiophene S,S-dioxide 3, followed by base induced aromatisation gives the sulphone 7, a precursor to pyrazole analogues of omicron-xylylene (omicron-quinodimethane).

引用

页码：7609 / 7612

页数：4

共 9 条

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