作者:L. L. Frolova、L. V. Bezuglaya、I. N. Alekseev、P. A. Slepukhin、A. V. Kuchin
DOI:10.1007/s10600-014-0984-y
日期:2014.7
2α-Bromo,10β-pinanone-3 and 3α-bromo,10β-pinanone-4 were formed with 92–98% selectivity by bromination of isopinocamphone and cis-verbanone with Meldrum’s acid dibromide. 3α-Bromo, 10β-pinanone-4 was prepared for the first time. Its structure was confirmed by an XSA. Bromination of menthone by Meldrum’s acid dibromide formed mainly a mixture of diastereomeric 2-bromomenthones in a 2:1 ratio. Oxidative bromination of isopinocampheol by Ce(III)–LiBr–H2O2 caused rearrangement of the pinane structure into bornane and formed a mixture of 6-endo- and 6-exo-bromocamphor in a 5:1 ratio.