Chemical transformation of protoberberines. XII A novel synthesis of rhoeadine alkaloids. An alternative synthesis of a key intermediate, benzindenoazepine, for a synthesis of (.+-.)-cis-alpinigenine and (.+-.)-cis-alpinine from palmatine.
Chemical transformation of protoberberines. XII A novel synthesis of rhoeadine alkaloids. An alternative synthesis of a key intermediate, benzindenoazepine, for a synthesis of (.+-.)-cis-alpinigenine and (.+-.)-cis-alpinine from palmatine.