Keywords
1
2-dihydro-3H-pyrrole-3
3
4
4-c]pyridine-3a
4-tetracyanoalkanones
4-tricarbonitriles
5-dihydro-1H-pyrrolo[3
7a-dicarbonitriles.
formaldehyde dimethylhydrazone
N
N-dimethylhydrazine
tetracyanoethylene
Thorpe–Ziegler type cyclization
Abstract
To utilize N,N-dimethylhydrazine, the corresponding +formaldehyde hydrazone was reacted with 1,1,2,2-tetra-cyanoethane or 3,3,4,4-tetracyanoalkanones. The first process yielded 5-amino-1-dimethylamino-1,2-dihydro-3H-pyrrole-3,3,4-tricarbonitrile while the second afforded pyrrolo[3,4-c]quinolone multifunctional derivatives. These resultant products hold promise in molecular design and pharmaceutical chemistry.
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