Ethyl 2-cyano-2-{(Z)-2-[2,2-dicyano-1-(4-methylphenyl)ethyl]cyclohexylidene}acetate

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Synthesis, tautomeric states and crystal structure of (Z)-ethyl 2-cyano-2-(3H-quinazoline-4-ylidene) acetate and (Z)-ethyl 2-cyano-2-(2-methyl-3H-quinazoline-4-ylidene) acetate.

The new compounds (Z)-ethyl 2-cyano-2-(3H- and 2-methyl-3H-quinazoline-4-ylidene) acetate (1 and 2, respectively) were synthesized by multi-step reactions. The structures in a solution have been determined by (1)H-NMR spectroscopy and in the crystal form by X-ray analysis. Molecule 1 crystallized in a primitive monoclinic cell, space group capital ER, P2(1/c). The cell dimensions are a=7.970(6)...

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ژورنال

عنوان ژورنال: IUCrData

سال: 2021

ISSN: 2414-3146

DOI: 10.1107/s2414314621005009