Non-catalytic solvent-free synthesis of 5,6,7,8-tetrahydro-4H-chromenes from aldehydes, Dimedone (cas 126-81-8) and malononitrlie at ambient temperature
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Add time:09/30/2019 Source:sciencedirect.com
Non-catalytic solvent-free assembling of aldehydes, Dimedone (cas 126-81-8) and malononitrile at ambient temperature affords substituted 5,6,7,8-tetrahydro-4H-chromenes in 88–98% yields.
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