(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile(CAS: 51325-91-8)

(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile is a crystalline solid with a molecular weight of approximately 313.23 g/mol. It has a low water solubility and is soluble in organic solvents such as dichloromethane and ethanol. The compound is highly reactive, showing notable reactivity towards nucleophiles. It is stable under normal laboratory conditions but should be handled with care due to its reactivity.

(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile can be synthesized through a multi-step process involving alkylation, nucleophilic substitution, and nitrile formation. Commonly, this involves the use of dimethylamine in the presence of a suitable catalyst and a rearrangement step. The yield is typically around 70-80%, and the process can be optimized for higher selectivity and yield.

(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile finds applications in the pharmaceutical and polymer industries. It has potential as a precursor in the synthesis of new materials and drugs. Its molecular structure and reactivity make it useful in developing novel organic compounds and materials for electronic applications, such as semiconductors and sensors.

When handling (2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile, it is essential to use appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood. Spills should be cleaned up immediately using appropriate absorbent materials. Always refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.