102502-64-7Relevant articles and documents
The Strecker reaction coupled to Viedma ripening: A simple route to highly hindered enantiomerically pure amino acids
Baglai, Iaroslav,Leeman, Michel,Wurst, Klaus,Kaptein, Bernard,Kellogg, Richard M.,Noorduin, Willem L.
, p. 10832 - 10834 (2018)
The Strecker reaction is broadly used for the preparation of α-amino acids. However, control of enantioselectivity remains challenging. We here couple the Strecker reaction to Viedma ripening for the absolute asymmetric synthesis of highly sterically hindered α-amino acids. As proof-of-principle, the enantiomerically pure α-amino acids tert-leucine and α-(1-adamantyl)glycine were obtained.
Catalytic Enantioselective Intermolecular Benzylic C(sp3)?H Amination
Nasrallah, Ali,Boquet, Vincent,Hecker, Alexandra,Retailleau, Pascal,Darses, Benjamin,Dauban, Philippe
, p. 8192 - 8196 (2019/05/16)
A practical general method for asymmetric intermolecular benzylic C(sp3)?H amination has been developed by combining the pentafluorobenzyl sulfamate PfbsNH2 with the chiral rhodium(II) catalyst Rh2(S-tfptad)4. Various substrates can be used as limiting components and converted to benzylic amines with excellent yields and high levels of enantioselectivity. Additional key features for the reaction are the low catalyst loading and the ability to remove the Pfbs group under mild conditions to give NH-free benzylic amines.
Protected amino hydroxy adamantane carboxylic acid and process for its preparation
-
, (2015/11/24)
Dipeptidyl peptidase IV (DP 4) inhibiting compounds are provided. The provided compounds can be used for treating diabetes and related diseases, especially Type II diabetes, and other diseases as set out herein, employing such DP 4 inhibitor or a combination of such DP 4 inhibitor and one or more of another antidiabetic agent such as metformin, glyburide, troglitazone, pioglitazone, rosiglitazone and/or insulin and/or one or more of a hypolipidemic agent and/or anti-obesity agent and/or other therapeutic agent.