Stereoselective total synthesis of (−)-deoxoprosophylline
摘要:
An efficient synthesis of the prosopis alkaloid (-)-deoxoprosophylline has been developed, utilizing the easily available amino acid L-serine as a chiral pool starting material. (C) 2001 Elsevier Science Ltd. All rights reserved.
The enantioselective total synthesis of micropine, an unusual 2,6-disubstitutedpiperidine alkaloid, and epimicropine, through mercuric trifluoroacetate-catalysed intramolecular alkenylamide cyclisation is described. The synthesis proceeds from L-serine and affords material of the same positive sign of optical rotation as the natural product thereby confirming the absolute stereochemistry of micropine