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Том 48.
2012.
С. 63-69
It has been found that 2, 3, 3-trimethyl-1-phenyl- and 1, 2-dimethyl-3-spirocyclohexyltetrahydro-isoquinolines react with activated alkynes in methanol with cleavage of the tetrahydropyridine ring to give methoxybenzyl- and methoxyethylbenzenes, and in boiling acetonitrile form N-butenoyl derivatives from N-methylspirocylohexyltetrahydroisoquinoline by its reaction with acetylacetylene. © 2012 Springer Science+Business Media, Inc.