Journal of Heterocyclic Chemistry p. 385 - 387 (1997)
Update date:2022-09-26
Topics:
Hynes, John B.
Campbell, Johnny P.
The reaction of guanidine carbonate with various ortho-fluorobenzaldehydes in N,N-dimethylacetamide was investigated as a potential route for preparing 2-aminoquinazolines. Eleven new 2-aminoquinazolines were elaborated in this manner in low to moderate yields. In general the best results were obtained with ortho-fluorobenzaldehydes possessing an electron withdrawing substituent at the other ortho position. Complex mixtures were obtained using 2-fluorobenzaldehyde, 2,5-difluorobenzaldehyde and 2-fluoro-5-methoxybenzaldehyde which were not resolved.
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