The preparation of α-tetralones from benzocyclobutenones via sequential thermal electrocyclic reactions
作者:Derek N. Hickman、Timothy W. Wallace、J. Michael Wardleworth
DOI:10.1016/s0040-4039(00)74896-9
日期:1991.2
1-Alkenylbenzocyclobuten-1-ols, prepared from benzocyclobutenones via the addition of alkenylmagnesium bromides, or the addition of alkynyllithium reagents followed by (E)-selective reduction of the triple bond, undergo successive thermal 4-pi and 6-pi electrocyclic reactions leading to substituted 3,4-dihydro-1(2H)-naphthalenones.
The preparation of substituted 3,4-dihydro-l(2H)-naphthalenones from benzocyclobutenones via sequential thermal electrocyclic reactions
作者:Derek N. Hickman、Kevin J. Hodgetts、Peter S. Mackman、Timothy W. Wallace、J.Michael Wardleworth
DOI:10.1016/0040-4020(95)01054-8
日期:1996.2
alkynyllithium reagents followed by (E)-selective reduction, undergo successive thermal 4π and 6π electrocyclisations to give substituted 3,4-dihydro-1(2H)-naphthalenones. An analogous sequence gave 3,4,-dihydro-1(2H)-anthracenone from naphtho[b]cyclobuten-1(2H)-one.