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ChemInform Abstract: Dealkylation of 4-Phosphorylated 5-Alkoxypyrazoles: Easy Synthetic Access to P-Chloro Ylides.

โœ Scribed by A. A. TOLMACHEV; A. I. KONOVETS; A. N. KOSTYUK; A. N. CHERNEGA; A. M. PINCHUK


Publisher
John Wiley and Sons
Year
2010
Weight
43 KB
Volume
29
Category
Article
ISSN
0931-7597

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๐Ÿ“œ SIMILAR VOLUMES


Dealkylation of 4-phosphorylated 5-alkox
โœ A. A. Tolmachev; A. I. Konovets; A. N. Kostyuk; A. N. Chernega; A. M. Pinchuk ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 229 KB

## The chlorination of 5-alkoxypyrazoles containing bis-(dialkylamino)-or diphenylphosphino groups at the 4-position afforded highly unstable chlorophosphonium chlorides that dealkylated giving chlorobis(dialkylamino)-and chlorodiphenylphosphonium(3methyl-5-oxo-1-phenyl-5H-pyrazol-4-yl)ides. The Pch