The reactions of N-methyl-and N-phenylpyrazole

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ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

Transformation of 4-Phosphorylated 5-Ethoxy-pyrazoles in PyrazoleYlides. -The title pyrazoles (III), prepared by a literature-known method, are converted to the pyrazole ylides of type (VII) as outlined in the reaction scheme (for (IIIa) no yield given). -(KOSTYUK, A. N.; TOLMACHEV, A. A.; SVIRIDON, A. I.; Zh.