A biomimetic synthesis of the pyrrolizidine ring by sequential intramolecular cyclizations
摘要:
The pyrrolizidine ring system is generated from an acyclic amide in an acid-catalyzed cyclization in one laboratory operation. (C) 1999 Elsevier Science Ltd. All rights reserved.
A biomimetic synthesis of the pyrrolizidine ring by sequential intramolecular cyclizations
摘要:
The pyrrolizidine ring system is generated from an acyclic amide in an acid-catalyzed cyclization in one laboratory operation. (C) 1999 Elsevier Science Ltd. All rights reserved.