SYNTHESIS OF SOME NEW ISOXAZOLYLACETIC ACID-DERIVATIVES

被引：13

作者：

GOMBOS, Z

NYITRAI, J

DOLESCHALL, G

KOLONITS, P

PARKANYI, L

KALMAN, A

机构：

[1] TECH UNIV BUDAPEST,DEPT ORGAN CHEM,H-1521 BUDAPEST,HUNGARY

[2] HUNGARIAN ACAD SCI,ALKALOID CHEM RES GRP,H-1521 BUDAPEST,HUNGARY

[3] HUNGARIAN ACAD SCI,CENT RES INST CHEM,H-1525 BUDAPEST,HUNGARY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1993年 / 01期

关键词：

D O I：

10.1039/p19930000139

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

(3-Chloroisoxazol-5-yl)acetic acid 1, a known acylating agent, useful for the synthesis of semi-synthetic cephalosporins was synthesized by a new route. Several alpha-substituted 3-chloroisoxazolylacetic acids 9a, b; 10a, b and 1 5, potential acylating agents for semi-synthetic beta-lactams, were also prepared. The (E) -and (Z)-3-chloro-alpha-methoxyiminoisoxazol-5-ylacetic acids 10a, b were separated and their structures unambiguously determined by H-1 NMR spectroscopic and X-ray measurements.

引用

页码：139 / 143

页数：5

共 50 条

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