Synthesis of β-carboline based natural products and synthetic derivatives is one of the frontier areas of research owing to their medicinal properties.
A facile organocatalytic approach has been devised towards the synthesis of amide derivatives by using 1,3-dicarbonyls as easy available acyl-sources under peroxide-free reaction conditions. This transformation was accomplished by cleavage...
An efficient and mild protocol was realized using 1,2‐diazoles and related heterocycles with cyclic and acyclic enones in presence of T3P (2,4,6‐tripropyl‐1,3,5,2,4,6‐trioxatriphosphorinane‐2,4,6‐trioxide) toward the regioselective formation of N‐cycloalkyl heterocycles at room temperature. The developed reaction conditions showcased good selectivity over a wide range of 1,2‐diazoles and enones by delivering N‐cycloalkyl heterocycles in excellent yields.
KOtBu mediates the reaction between 2‐amino arylcarbaldehydes and benzyl/alkyl cyanides toward the expeditious formation of 2‐aminoquinolines under transition‐metal‐free conditions. The described transformation proceeds through in‐situ generated enimine intermediate from benzyl/alkyl cyanides under KOtBu‐mediated reaction conditions. The substituted 2‐aminoquinolines were realized in excellent yields at room temperature and shorter reaction time. The designed process exhibits operational simplicity and broad functional group tolerance in delivering the products of high significance.
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