PG FERREIRA, CD NICOLETTI… - Anais da Academia …, 2018 - SciELO Brasil
Naphthoquinones are the most commonly occurring type of quinones in nature. They are a diverse family of secondary metabolites that occur naturally in plants, lichens and various …
A series of pyrazole-3-carboxylic acid and pyrazole-3, 4-dicarboxylic acid derivatives were synthesized, the structures were confirmed by their NMR (1 H and 13 C) and FT-IR spectra …
C Sheng, W Zhang - Current medicinal chemistry, 2011 - ingentaconnect.com
During the past two decades, the incidence of invasive fungal infections has been increasing dramatically. Clinical available antifungal agents have several drawbacks such …
VK Tandon, DB Yadav, HK Maurya… - Bioorganic & medicinal …, 2006 - Elsevier
A series of (S)-N-(3-chloro-1, 4-naphthoquinon-2-yl)-α-amino acid ethyl esters 3 and 1, 2, 3- trisubstituted-1, 4-dihydrobenzo [g] quinoxaline-5, 10-diones 6–23 were synthesized and …
AM Farag, AS Mayhoub, SE Barakat… - Bioorganic & medicinal …, 2008 - Elsevier
The versatile synthons 4-(2-bromoacetyl)-5-methyl-1-phenyl-3-phenylcarbamoyl-1H- pyrazole (3) and 4-[(E)-3-(dimethylamino) acryloyl]-5-methyl-1-phenyl-3-phenylcarbamoyl …
Two novel halopyrazole derivatives (3, 5) were synthesized from 5-chloro-3-methyl-1- phenylpyrazole-4-carboxaldehyde (1) using appropriate synthetic routes. Newly synthesized …
VK Tandon, HK Maurya - Tetrahedron Letters, 2009 - Elsevier
Unique nucleophilic substitution and addition reactions of 1, 4-quinones in aqueous suspension with aromatic amines, primary aliphatic amines, amino acid, ester of amino acid …
A novel approach was adopted for the synthesis of series of new pyrazolyl chalcones (3a–c) by the reaction of 5-chloro-3-methyl-1-phenylpyrazole-4-carboxaldehyde (1) with different 5 …