Synthesis of decahydrophenanthridine-1,7-dione and hexahydroisoquinol-8-one derivatives in the reaction of 2-acetyl-2-cyclohexene-1-ones with conjugated enaminocarbonyl compounds
作者:Ya. Ya. Ozols、A. N. Pyrko、F. A. Lakhvich、B. A. Vigante、R. R. Dubure、G. Ya. Dubur、A. A. Akhrem
DOI:10.1007/bf00506849
日期:1990.1
OZOLS, YA. YA.;PYRKO, A. N.;LAXVICH, F. A.;VIGANTE, B. A.;DUBURE, R. R.;D+, XIMIYA GETEROTSIKL. SOED.,(1990) N, S. 66-71
作者:OZOLS, YA. YA.、PYRKO, A. N.、LAXVICH, F. A.、VIGANTE, B. A.、DUBURE, R. R.、D+
DOI:——
日期:——
Synthesis of Biaryl Compounds by Vinylogous Michael Reactions
cycloalkenones 1 undergo an iron(III)-catalyzed vinylogousMichaelreaction − a sequence of enone−dienol tautomerism, [4+2]-cycloaddition, and retro-aldol reaction − with quinone derivatives 3. A variety of products is obtained ranging from meta-terphenyl precursors 5 to dihydronaphthobenzofurans 7. Reaction of 1,2-naphthoquinone (3e) with vinylogous donors 1 yields cross-coupled products 12, which
Dienol tautomers 2 of 2-acceptor-substituted cycloalkenones 1 undergo an iron(III)-catalyzed reaction sequence – formally a vinylogousMichaelreaction – with benzoquinone derivatives 5 to yield products 6, 7 and 9, which are easily converted into highly functionalized biarylcompounds.