A simple, highly efficient, and environmentally friendly method for the synthesis of substituted 1H-pyrazoles by one-pot condensation reaction of α,β-unsaturated carbonyl compounds with tosyl hydrazide in water was developed. The reaction system exhibited tolerance with various functional groups, Aromatic moiety with both electron-rich and electron-deficient substituents could give desired products
Methods of treating disorders using compounds that modulate striatal-enriched tyrosine phosphatase (STEP) are described herein. Exemplary disorders include schizophrenia and cognitive deficit.
Monohydrochloride Assisted Synthesis of Functionalized Isoxazoles and Pyrazoles from Allenic Ketones: First Synthesis of (<i>Z</i>
)-2-Methyl-7H-benzo[b]pyrazolo[5,1-d][1,5]oxazocines
作者:Debayan Sarkar、Sushree Ranjan Sahoo
DOI:10.1002/ejoc.201900008
日期:2019.3.14
A straight forward synthesis of substituted isoxazoles and pyrazoles from 1,2‐allenic ketones assisted by hydrochlorides of hydrazine and hydroxylamine is presented. In the process, the propyloxy‐phenyl pyrazoles were transformed to (Z)‐2‐methyl 7H benzo[b]pyrazolo[5,1‐d][1,5]oxazocines which are important and emissive compounds.