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New and Facile Synthesis of Aminobicyclo[2.2.1]heptane-2-carboxylic Acids

Authors
Kim, Taek-SooSeo, Seung-YongShin, Dongyun
Issue Date
Jun-2015
Publisher
GEORG THIEME VERLAG KG
Keywords
carbocycles; amino acids; bicyclic compounds; diastereoselectivity; carbonylation
Citation
SYNLETT, v.26, no.9, pp.1243 - 1247
Journal Title
SYNLETT
Volume
26
Number
9
Start Page
1243
End Page
1247
URI
https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/10477
DOI
10.1055/s-0034-1378690
ISSN
0936-5214
Abstract
A facile approach for the stereoselective synthesis of a- and b-2-aminobicyclo[2.2.1]heptane-2-carboxylic acid is described. Substrate-controlled -carboxylation of norbonene monoester delivered the asymmetric diester intermediate with high diastereoselectivity (up to 35:1). Sequential chemoselective ester cleavage, Curtius rearrangement, and hydrolysis gave the a- and b-isomers of 2-aminobicyclo[2.2.1]heptane-2-carboxylic acid, respectively.
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