Rigid Dipeptide Mimetics: Efficient Synthesis of Enantiopure Indolizidinone Amino Acids
β Scribed by Lombart, Henry-Georges; Lubell, William D.
- Book ID
- 115315502
- Publisher
- American Chemical Society
- Year
- 1996
- Tongue
- English
- Weight
- 557 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
Azabicyclo[X.Y.0] alkane amino acids are rigid dipeptide b-turn mimetics with great potential applications for drug discovery. The lack of efficient methods to synthesize these compounds is a major bottleneck in this field. Herein we report an efficient approach to the enantiopure synthesis of (3S,6
Short syntheses are presented of the pseudo-dipeptide (3S,6S)-6-[(benzyloxy)carbonyl]amino-5-oxo-1,2,3,5,6,7-hexahydro-3-indolizinecarboxylic acid (1a) and of its (3S,6R) diastereoisomer (1b). The key step involves adding vinylogous b-enaminoester derived from pyroglutamic acid on an acrylate deriva