A simple and efficient enantioselective synthesis of piperidine alkaloids dihydropinidine and isosolenopsins A, B and C
摘要:
A diastereospecific intramolecular Mannich-type reaction, involving enantiopure amine 4 and achiral aldehydes, is employed as the key step of an efficient total enantioselective synthesis of five piperidine alkaloids. (C) 2000 Elsevier Science Ltd. All rights reserved.
Synthesis of enantiomerically pure fire ant venom alkaloids: Solenopsins and isosolenopsins A, B and C
作者:H. M. T. Bandara Herath、N. P. Dhammika Nanayakkara
DOI:10.1002/jhet.5570450112
日期:2008.1
Concise and efficient methods for the synthesis of enantiomers of fireantvenomalkaloidssolenopsin and isosolenopsin A, B, and C are described. These syntheses are based on diastereoselective electrophilic substitution of enatiomerically-pure α-lithiated 2-alkylpiperidine.