Design, synthesis and biological activity of diamide compounds based on 3-substituent of the pyrazole ring.
Sign Up to like & getrecommendations! Published in 2022 at "Pest management science"
DOI: 10.1002/ps.6826
Abstract: BACKGROUND Diamide insecticides have attracted significant attention due to their high efficacy and low toxicity to non-target organisms since they were introduced to the market. In order to tackle the problems of insecticide resistance and… read more here.
Keywords: diamide; design synthesis; activity; pyrazole ring ... See more keywords
Selective O- and N-nitration of steroids fused to the pyrazole ring
Sign Up to like & getrecommendations! Published in 2018 at "Russian Chemical Bulletin"
DOI: 10.1007/s11172-018-2308-z
Abstract: Chemoselective methods for O- and N-nitration of steroids fused to the pyrazole ring were developed. The nitrating agents were acetyl, propionyl, and trifluoroacetyl nitrates generated from carboxylic acid anhydrides and either copper nitrate or nitric… read more here.
Keywords: nitration; steroids fused; fused pyrazole; selective nitration ... See more keywords
DMSO as a C1 Source for [2 + 2 + 1] Pyrazole Ring Construction via Metal-Free Annulation with Enaminones and Hydrazines.
Sign Up to like & getrecommendations! Published in 2021 at "Organic letters"
DOI: 10.1021/acs.orglett.1c03879
Abstract: A cascade reaction between enaminones, hydrazines, and dimethyl sulfoxide (DMSO) for the synthesis of 1,4-disubstituted pyrazoles catalyzed by molecular iodine in the presence of Selectfluor has been realized. DMSO plays a dual role as the… read more here.
Keywords: enaminones hydrazines; pyrazole ring; source; source pyrazole ... See more keywords