Modified coumarins. 13. Synthesis of cyclopentane-annelated pyranocoumarins
作者:Ya. L. Garazd、M. M. Garazd、V. P. Khilya
DOI:10.1007/s10600-005-0005-2
日期:2004.9
Modified pyranocoumarins containing a condensed cyclopentane fragment were synthesized by adjoining a 2,2-dimethyltetrahydropyran ring to a 2,3-dihydrocyclopenta[c]chromen-4-one system and annelation of a pyrone ring to a 2,2-dimethylchromane.