Compound Q&A
How is (2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile (CAS: 51325-91-8) typically synthesized?
Answer
![(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile](https://static.chemtradehub.com/structs/513/51325-91-8-b5be.webp "(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile")
(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.
About
CAS No
51325-91-8
English Name
(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile
Molecular Formula
C19H17N3O
Molecular Weight
17.03 g/mol
SMILES
CC1=CC(=C(C#N)C#N)C=C(O1)C=CC2=CC=C(C=C2)N(C)C
InChIKey
YLYPIBBGWLKELC-RMKNXTFCSA-N
Last Updated: 2025-10-05 08:54
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