1. Reaction of 6-methoxybenzofuran-3(2H)-one and benzothiophen-3(2H)-one with 2-aryl-1,1-dicyanoethylenes as a convenient synthetic route to substituted 2-amino-4-aryl-1,3-dicyano-7-methoxydibenzo[b,d]furans and 2-amino-4-aryl-3-cyano-4H-benzothieno[3,2-b]pyrans
A.M. Shestopalov and O.A. Naumov
Russian Chemical Bulletin, Volume 52, Number 4, P. 961-968,
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http://dx.doi.org/10.1023/A:1024468813689Заранее благодарен.
