Chemistry of Heterocyclic Compounds p. 587 - 598 (2007)
Update date:2022-08-02
Topics:
Voskressensky
Borisova
Kulikova
Dolgova
Kleimenov
Sorokina
Titov
Varlamov
The transformations of 1-substituted tetrahydro-β-carbolines by the action of activated alkynes were studied. The action of dimethyl acetylenedicarboxylate in methanol gives products of the opening of the tetrahydropyridine fragment, namely, 2-methoxyalkylindoles. The action of ethyl propiolate in ethanol and of tosylacetylene in methanol gives mixtures of azocino[5,4-b]indoles and 2-alkoxyindoles. The action of ethyl propiolate in acetonitrile gives azocinoindoles.
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Doi:10.1039/jr9570004235
(1957)Doi:10.1002/anie.200705617
(2008)Doi:10.1007/s00044-012-0078-y
(2013)Doi:10.1016/j.saa.2007.08.003
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(2008)