Author/Authors :
Tadao Kamikawa، نويسنده , , Yasuyuki Hanaoka، نويسنده , , Satoru Fujie، نويسنده , , Ken Saito، نويسنده , , Yoshiro Yamagiwa، نويسنده , , Katsuya Fukuhara، نويسنده , , Isao Kubo، نويسنده ,
Abstract :
Three pyranoquinolone alkaloids isolated from two East African Fagara plants have been found to exhibit SRS-A antagonist action. Their synthesis has been accomplished, using a modified Coppolaʹs method or a thermal cyclization followed by an electrocyclic ring closure.
