INVESTIGATION OF THE REGIO- AND STEREOSELECTIVITY OF THE ANNELATION REACTION OF CYCLIC SCHIFF BASE WITH STRUCTURALLY ASYMMETRICAL β,β′-TRIKETONES. SYNTHESIS AND PROPERTIES OF 17-ACETOXY-8-AZA-D-HOMOGONA-12,17a-DIONES
DOI:
https://doi.org/10.1007/295Keywords:
8-aza-D-homogonanes, 2-acylcyclohexane-l, 3-diones, 3, 4-dihydroisoquinoline, annelation, regiospecificity, stereochemistry, 13, 13'-triketone tautomerismAbstract
Annelation ([2+4]-cyclocondensation) of 3,4-dihydroisoquinolines and 2-acetyl-4-acetoxycyclohexane-1,3-dione gives 17-acetoxy-8-aza-D-homogona-12,17a-diones as a mixture of the C(9),C(17)-stereoisomers with the (9R,17S: 9S,17R) racemic pair predominating.
Authors: O. V. Gulyakevich, V. G. Zaitsev, and A. L. Mikhal'chuk.
English Translation in Chemistry of Heterocyclic Compounds, 2000, 36 (8), pp 956-962