The synthesis of phosphonyl pyrazoles

Authors
Chen, H Qian, DQ Xu, GX Liu, YX Chen, XD Shi, XD Cao, RZ Liu, LZ
Citation
H. Chen et al., The synthesis of phosphonyl pyrazoles, PHOSPHOR SU, 146, 1999, pp. 85-88
Citations number
5
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
ISSN journal
10426507 → ACNP
Volume
146
Year of publication
1999
Pages
85 - 88
Database
ISI
SICI code
1042-6507(1999)146:<85:TSOPP>2.0.ZU;2-S
Abstract
Phosphonyl hydrazones react with DMF/POCl3 to afford 3-phos-phonyl pyrazole s. Phosphonyl methylene hydrazones react with DMF/POCl3 to provide P-phosph onyl pyrazoles. 5-phosphonyl pyrazoles are obtained from the reaction of ph osphonyl chlorovinylaldchydes with phenylhydrazine.