IN333576: An improved process for the synthesis of 2H-Chromenes

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Disclosed herein the cost effective process for the synthesis of 2H-chromene compounds with good yields. Particularly the invention relates to transition-metal free synthesis of 2H-chromene compounds characterized by coupling 2-trimethylsilylaryl triflates and a, 8-unsaturated aldehyde under ambient reaction condition to ameliorate the yield of the desired 2H-chromenes.

Patent No:: IN333576
Application No:: 1144/DEL/2013
Filing Date:: 17-04-2013
Issue Date:: 28-02-2020
Applicant:: CSIR-National Chemical Laboratory (CSIR-NCL), Pune
Inventor(s):: Akkattu, Thankappan Biju; Sachin Suresh, Bhojgude; Trinadh, Kaicharla
IPC Classification:: C07D
Country:: India

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