SYNTHESIS OF N-ALKYLPYRAZOLES BY PHASE-TRANSFER CATALYSIS WITHOUT SOLVENT

被引：25

作者：

DIEZBARRA, E

DELAHOZ, A

SANCHEZMIGALLON, A

TEJEDA, J

机构：

[1] Fac. Ciencias Químicas. Univ. Castilla-La Mancha., 13071, Ciudad Real.

来源：

SYNTHETIC COMMUNICATIONS | 1990年 / 20卷 / 18期

关键词：

D O I：

10.1080/00397919008051498

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The alkylation of pyrazole is performed by phase transfer catalysis without solvent. High yields of N-alkylpyrazoles are obtained and the principal problems in the alkylation are suitably solved. © 1990, Taylor & Francis Group, LLC. All rights reserved.

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页码：2849 / 2853

页数：5

相关论文

共 13 条

[1]

BRAM G, 1989, B SOC CHIM FR, P247

[2] PHASE-TRANSFER CATALYSIS WITHOUT SOLVENT - USE OF ALKYL IODIDES [J].

DIEZBARRA, E ;

DELAHOZ, A ;

SANCHEZMIGALLON, A ;

SANCHEZVERDU, P ;

BRAM, G ;

LOUPY, A ;

PEDOUSSAUT, M ;

PIGEON, P .

SYNTHETIC COMMUNICATIONS, 1989, 19 (1-2) :293-296

[3]

DOU HJM, 1976, B SOC CHIM FR II-CH, P1861

[4]

DOU HJM, 1978, AN QUIM, P1137

[5]

ELGUERO J, COMPREHENSIVE HETERO, V5, P229

[6] SELECTIVE N-PROP-2-YNYLATION OF HETEROCYCLES INDUCED BY SOLID LIQUID-PHASE TRANSFER CATALYSIS WITHOUT SOLVENT AND USE OF SOLID INORGANIC SUPPORTS [J].

GALONS, H ;

BERGERAT, I ;

COMBETFARNOUX, C ;

MIOCQUE, M ;

DECODTS, G ;

BRAM, G .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1985, (23) :1730-1731

[7] PHASE-TRANSFER ALKYLATION OF HETEROCYCLES IN THE PRESENCE OF 18-CROWN-6 AND POTASSIUM TERT-BUTOXIDE [J].

GUIDA, WC ;

MATHRE, DJ .

JOURNAL OF ORGANIC CHEMISTRY, 1980, 45 (16) :3172-3176

[8] BASE-CATALYSED PROTOTROPIC ISOMERISATIONS .2. ISOMERISATION OF N-PROP-2-YNYL HETEROCYCLES INTO N-SUBSTITUTED ALLENES AND ACETYLENES [J].

HUBERT, AJ ;

REIMLING.H .

JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC, 1968, (05) :606-&

[9]

KAYASHI M, 1976, B CHEM SOC JPN, V49, P283

[10]

KELLER WE, 1986, PHASE TRANSFER CATAL, V1