4652-65-7Relevant articles and documents
Syntheses of Enantiopure 1,2-Ethylenediamines with Tethered Secondary Amines of the Formula H 2NCH 2CH[(CH 2) nNHMe]NH 2(n = 1-4) from α-Amino Acids: New Agents for Asymmetric Catalysis
Kabes, Connor Q.,Gunn, Jack H.,Selbst, Maximilian A.,Lucas, Reagan F.,Gladysz, John A.
, p. 3277 - 3285 (2020/11/02)
Tris(hydrochloride) adducts of the title compounds-are prepared from the inexpensive α-amino acids H 2 N(C=O)CH 2 CH(NH 2)CO 2 H, HO(C=O)(CH 2) n ′ CH(NH 2)CO 2 H (n ′ = 1, 2), and H2 N(CH 2) 4 CH(NH 2)CO 2 H, respectively (steps/overall yield = 5/32, 7/30, 7/33, 5/38). The NH 2 group that is remote from the secondary amine is installed via BH 3 reduction of an amide [-(C=O)NR 2[ derived?-from an α-amino carboxylic acid. The MeNHCH 2 units are introduced by BH 3 reductions of alkyl carbamate [RO(C=O)NHCH 2-; R = Et, t-Bu] or amide [MeHN(C=O)-] moieties.
METHOD FOR PREPARING 3-[(3S)-7-BROMO-2-OXO-5-(PYRIDIN-2-YL)-2,3-DIHYDRO-1H-[1,4]-BENZODIAZEPIN-3-YL] PROPIONIC ACID METHYL ESTER, AND COMPOUNDS USEFUL IN THAT METHOD
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Page/Page column 16; 17, (2019/02/13)
The present invention relates to a method for preparing 3-[(3S)-7- bromo-2-oxo-5-(pyridin-2-yl)-2,3-dihydro-IH-[l,4]-benzodiazepin-3-yl] propionic acid methyl ester from (2-amino-5-bromo-phenyl)-pyridin-2- yl-methanone. The present invention also relates
Constrained Cyclic β,γ-Diamino Acids from Glutamic Acid: Synthesis of Both Diastereomers and Unexpected Kinetic Resolution
Wan, Yang,Auberger, Nicolas,Thétiot-Laurent, Sophie,Bouillère, Francelin,Zulauf, Ana?s,He, Jiefang,Courtiol-Legourd, Stéphanie,Guillot, Régis,Kouklovsky, Cyrille,Cote des Combes, Sylvain,Pacaud, Christophe,Devillers, Ingrid,Alezra, Valérie
, p. 329 - 340 (2018/01/27)
We describe here an efficient synthesis of both diastereomers of cyclic β,γ-diamino acids starting from l-glutamic acid, based on the Blaise reaction. We show that by changing the protecting group, we can access either the five-membered-ring lactam, which