From many decades, S-heterocycles have maintained their status as an important part and
core of FDA approved drugs and medicinally active compounds. With exhaustive exploration …

The diversified synthesis of heterocyclic compounds has always been one of the popular
subjects of organic chemistry. To this end, great efforts have been devoted to developing …

A designed synthesis of thiopyrano [4, 3-c] chromen-5 (1 H)-ones was developed based on
a base-promoted three-component reaction between 4-chloro-3-vinyl coumarins …

An operationally simple, practical, and efficient cascade approach employing α-allyl
dithioesters and NBS/NIS has been achieved to access a series of dihydrothiophenes and …

A new and efficient synthesis of fully substituted 2, 5-dihydrothiophenes by a sequential one-
pot four component reaction between primary amines, β-ketoesters, aryl isothiocyanates and …

A method for the regioselective synthesis of a wide range of dihydrothiophenes was
developed from the rhodium-catalyzed transannulation of 1, 2, 3-thiadiazoles with aliphatic …

An efficient chemoselective practical route to fully substituted thiazoles and 2, 3-
dihydrothiazoles has been devised by [4+ 1] heterocyclization of α-(N-hydroxy/aryl) imino-β …

Metal-free, p-toluenesulfonic acid (p-TSA)-mediated, straightforward propargylation of β-
ketothioamides with aryl propargyl alcohol has been achieved at room temperature. In …

An efficient, eco-friendly, and highly convergent one-pot route to privileged
thiazoloquinolinone derivatives has been developed via four-component cascade coupling …

A facile, cost-effective, and highly efficient copper-catalyzed, TEMPO-mediated
straightforward synthesis of 2, 3-disubstituted naphtho [2, 1-b] thiophene-4, 5-diones has …