Allylation of 2-alkanoyl 1,4-quinones with allylsilanes and allylstannanes. Efficient synthesis of pyranonaphthoquinone antibiotics
作者:Hidemitsu Uno
DOI:10.1021/jo00353a015
日期:1986.2
A High Yielding Synthesis of Racemic Hongconin
作者:Ivan R. Green、Victor I. Hugo、F. Oosthuizen、Robin G. F. Giles
DOI:10.1080/00397919608003690
日期:1996.3
Racemic hongconin 1 has been synthesized from adduct 2 formed by reaction between 1-methoxycyclohexa-1,4-diene and benzoquinone. The synthetic strategy includes Fries and Claisen rearrangements, base and cerium(IV) initiated pyran ring formation, C-4 pyran ring hydroxylation and silver(II) mediated oxidation.