Abstract
A method for the preparation of 3-cyano-2-(organylamino)thieno[3,2-c]isoquinoline derivatives has been developed. Alkylation of (2,2-dicyano-1-organylaminovinyl)thiolates with methyl 2-(chloromethyl)benzoate or N-substituted 2-(chloromethyl)benzamides with the subsequent treatment of the alkylation products with potassium tert-butoxide gave 3-cyano-2-(organylamino)thieno[3,2-c]isoquinolin-5(4H)-ones. In the case of utilization of (chloromethyl)benzonitrile in this synthesis, 5-amino-3-cyano-2-organylaminothieno[3,2-c]iso-quinolines were obtained.
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Kalugin, V.E., Shestopalov, A.M. The synthesis of 3-cyano-2-(organylamino)thieno[3,2-c]isoquinoline derivatives. Russ Chem Bull 68, 588–596 (2019). https://doi.org/10.1007/s11172-019-2459-6
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DOI: https://doi.org/10.1007/s11172-019-2459-6