Chemical transformation of protoberberines. XIV. Acid-catalyzed cleavage of 8-alkyl-8,14-cycloberbines. A simple method for the preparation of N-unsubstituted spirobenzylisoquinolines.
Chemical transformation of protoberberines. XIV. Acid-catalyzed cleavage of 8-alkyl-8,14-cycloberbines. A simple method for the preparation of N-unsubstituted spirobenzylisoquinolines.