PALLADIUM-CATALYZED DOUBLE-BOND MIGRATION IN THE HOMOISOFLAVONE SYSTEM

被引：8

作者：

HOSHINO, Y

TAKENO, N

机构：

[1] Department of Applied Chemistry, Muroran Inst. of Technology, Muroran 050, Mizumoto-cho

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1994年 / 67卷 / 10期

关键词：

D O I：

10.1246/bcsj.67.2873

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

3-Benzylidene-4-chromanones were converted to 3-benzylchromones in HMPA at 200-degrees-C in excellent yields. The reaction was irreversible and efficiently promoted by palladium catalysts in a remarkably shortened reaction time (3 h), compared with the existing procedure (24 h).

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页码：2873 / 2875

页数：3

相关论文

共 16 条

[1] RHODIUM-CATALYZED ISOMERIZATION OF SOME UNSATURATED ORGANIC SUBSTRATES [J].

ANDRIEUX, J ;

BARTON, DHR ;

PATIN, H .

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1977, (04) :359-363

[2]

ANTUS S, 1981, SYNTHESIS-STUTTGART, P574

[3] SYNTHESIS OF CHROMONES BY CYCLIZATION OF 2-HYDROXYPHENYL KETONES WITH BORON TRIFLUORIDE DIETHYL ETHER AND METHANESULFONYL CHLORIDE [J].

BASS, RJ .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1976, (02) :78-79

[4]

BOEHLER P, 1967, TETRAHEDRON LETT, P3479

[5]

CHATTERJEA JN, 1974, J INDIAN CHEM SOC, V51, P281

[6]

Coulson DR, 1971, INORG SYN, V13, P121, DOI DOI 10.1002/9780470132449.CH23

[7] CHROMANE .13. DIE EPOXYDATION VON 3-BENZYLIDEN-CHROMANONEN-(4) ZU 3.ALPHA-OXIDO-3-BENZYL-CHROMANONEN-(4) [J].

DANN, O ;

HOFMANN, H .

CHEMISCHE BERICHTE-RECUEIL, 1962, 95 (06) :1446-&

[8] DICHLORO[1,1'-BIS(DIPHENYLPHOSPHINO)FERROCENE]PALLADIUM-(II) - AN EFFECTIVE CATALYST FOR CROSS-COUPLING OF SECONDARY AND PRIMARY ALKYL GRIGNARD AND ALKYLZINC REAGENTS WITH ORGANIC HALIDES [J].

HAYASHI, T ;

KONISHI, M ;

KOBORI, Y ;

KUMADA, M ;

HIGUCHI, T ;

HIROTSU, K .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1984, 106 (01) :158-163

[9] HOMOISOFLAVANONES .4. NEW CONSTITUENTS OF EUCOMIN SERIES OF EUCOMIS-BICOLOR [J].

HELLER, W ;

ANDERMATT, P ;

SCHAAD, WA ;

TAMM, C .

HELVETICA CHIMICA ACTA, 1976, 59 (06) :2048-2058

[10] NOVEL SYNTHESIS OF ISOFLAVONES BY THE PALLADIUM-CATALYZED CROSS-COUPLING REACTION OF 3-BROMOCHROMONES WITH ARYLBORONIC ACIDS OR ITS ESTERS [J].

HOSHINO, Y ;

MIYAURA, N ;

SUZUKI, A .

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1988, 61 (08) :3008-3010