Synthesis of (Z)-2-[quinazolin-4(3H)-ylidene]acetonitriles by the reaction of N-(2-cyanophenyl)alkanimidates with 2-lithioacetonitrile.

[摘要]：An efficient prepn. of (Z)-2-[quinazolin-4(3H)-ylidene]acetonitriles was achieved in 1 pot by addn. of LiCH2CN to the cyano C of N-(2-cyanophenyl)alkanimidates, followed by intramol. attack of the resulting imino anion on the imidate C with loss of alkoxide and subsequent tautomerization.

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