An efficient and straightforward synthesis of αketothioamides has been accomplished via in situ decarboxylative oxidative thioamidation using α,β-unsaturated arylcar-boxylic acids, alicyclic secondary amines and elemental sulfur under solvent-free aerobic conditions.
Herein, we have described an efficient, eco-friendly, metal free, visible light catalysed synthesis of coumarin based pyrazoles under an open atmosphere condition involving a photoredox catalyst, which is an inexpensive...
A facile multicomponent synthesis of novel thiazolidinone-bis Schiff base hybrids has been developed using readily available starting materials. The four-component reaction of isothiocyanate, hydrazine, aldehyde and αbromoester in water readily affords thiazolidinone-bis Schiff base hybrids, whereas the five-component strategy involving the same reactants in the presence of boron trifluoride etherate in acetonitrile leads to the formation of the fully functionalized thiazolidinone-bis Schiff base hybrids.
Copper-mediated oxidative decarboxylation of ethyl arylacetates has been accomplished in the presence of indoles to afford 3-acylindoles using DMSO as an oxidant.
Copper-catalysed decarboxylation/oxidative amidation of cinnamic acids and oxidative amidation of arylacetic acids with 2° amines have been developed leading to the formation of α-ketoamides.
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