Direct Synthesis of Coumarin Derivatives from Alkynoic Esters via Dual Organocatalysis
An efficient synthetic method for coumarin derivatives was developed using a dual organocatalytic reaction. A combination of ptoluenesulfonic acid monohydrate and piperidine was found to efficiently catalyze the cyclization between salicylaldehydes and alkynoic esters to give various coumarin deriva...
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| Format: | Article |
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2023
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| Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/84170 |
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| Institution: | Mahidol University |