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