Piperidine → HCID 73446802, compound

Participants

Reaction Conditions

Reaction Steps

As shown in the following reaction 1, 2.14 g (10 mmol) of 2-(2-tert-butyl-6-methyl-pyran-4-ylidene)-malononitrile and 2.13 g (10 mmol) of 7-dimethylamino-2,3-dihydro-thieno[3,4-b][1,4]dioxine-5-carbaldehyde were added into 100 ml of ethanol, and 0.93 g (11 mmol) of piperidine was added thereto. The reaction solution was heated at 75° C. for 10 hours. After cooling the reaction solution, the precipitated red solid was filtered, and recrystallized with ethanol to obtain 2 g of the target compound (Yield 48%).

Provenance & Evidence