New strategy for the synthesis of phosphonyl pyrazoles

被引：19

作者：

Chen, H ^{[1
]}

Qian, DQ ^{[1
]}

Xu, GX ^{[1
]}

Liu, YX ^{[1
]}

Chen, XD ^{[1
]}

Shi, XD ^{[1
]}

Cao, RZ ^{[1
]}

Liu, LZ ^{[1
]}

机构：

[1] Nankai Univ, Inst Elementoorgan Chem, Natl Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China

来源：

SYNTHETIC COMMUNICATIONS | 1999年 / 29卷 / 22期

关键词：

D O I：

10.1080/00397919908085923

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Phosphonyl hydrazones react with DMF/POCl3 to afford 3-phosphonyl pyrazoles. Phosphonyl methylene hydrazones react with DMF/POCl3 to provide 4-phosphonyl pyrazoles. 5-Phosphonyl pyrazoles are obtained from the reaction of phosphonyl chlorovinylaldehydes with phenylhydrazine.

引用

页码：4025 / 4033

页数：9

共 12 条

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