The Improved Synthesis of Enantiopure (S)-N-Arylmethyl-5-Oxoprolines
摘要:
A mild procedure for the preparation of enantiopure N-alkylated (S)-(+)-5-oxoprolines 3a-r is described. The method starting from (S)-glutamic acid appears generally applicable to substrates with a wide range of substituents.
Helix inside a Helix: Encapsulation of Hydrogen-Bonded Water Molecules in a Staircase Coordination Polymer
作者:Bellam Sreenivasulu、Jagadese J Vittal
DOI:10.1002/anie.200460516
日期:2004.11.5
JPH0812547A
申请人:——
公开号:JPH0812547A
公开(公告)日:1996-01-16
Strategies for the synthesis of HBGl3 , a glutamic acid derived ligand bearing phenolic and azacarboxylate donor groups at the nitrogen atom
作者:Raminder S. Mulla、Melissa T. Walden、Dmitry S. Yufit、Tanya Desa、Elena Lurie-Luke、J.A. Gareth Williams
DOI:10.1016/j.tet.2017.09.032
日期:2017.11
The development of a route applicable to the preparation of acyclic glutamic acid-based chelating ligands bearing two different auxiliary donor groups linked to the nitrogenatom by methylene spacers is described and applied to the synthesis of the new polydentate ligand HBGl3, the first example of such a structure. The synthesis is accomplished using a strategy employing reductive amination and t-butyl
A mild procedure for the preparation of enantiopure N-alkylated (S)-(+)-5-oxoprolines 3a-r is described. The method starting from (S)-glutamic acid appears generally applicable to substrates with a wide range of substituents.