Heteroaromatic analogs of benzomorphan. Synthesis of novel thiazolo(4,5-f)morphans.
作者:KIMIO KATSUURA、MASAO OHTA、KEMMOTSU MITSUHASHI
DOI:10.1248/cpb.29.1780
日期:——
Monothiazolization of ethyl 2-methyl-1, 3-dioxo-2-cyclohexaneacetate (I) afforded 2-aminothiazole derivative (IIa) corresponding to tetralone. In several steps, IIa was converted to some thiazolo [4, 5-f] morphans (X) via 9-oxothiazolo [4, 5-f] morphan (VIII).