Total synthesis of dryocrassin ABBA and its analogues with potential inhibitory activity against drug-resistant neuraminidases
The stems of Dryopteris crassirhizoma, one of the main components of Lianhua-Qingwen Formula (LQF) was traditionally used for heat-clearing and detoxifying. Dryocrassin ABBA is a key antiviral component in the herbal medicine while the compound is hard to
Synthesis of 3-(p-Hydroxycinnamoyl)-5-methylfilicinic Acid and Dehydro-3,3'-diacetyl-5,5'-methylenedifilicinic Acid
In connection with studies on the structure of carthamin (1), two analogous compounds of 1, 3-(p-hydroxycinnamoyl)-5-methylfilicinic acid and dehydro-3,3'-diacetyl-5,5'-methylenedifilicinic acid have been synthesized.