Enantioselektive ?-Alkylierung von Asparagin- und Glutamins�ure �ber die Dilithium-enolatocarboxylate von 2-[3-Benzoyl-2-(tert-butyl)-1-methyl-5-oxoimidazolidin-4-yl]essigs�ure und 3-[3-Benzoyl-2-(tert-butyl)-1-methyl-5-oxoimidazolidin-4-yl]propions�ure
作者:Johannes D. Aebi、Dieter Seebach
DOI:10.1002/hlca.19850680603
日期:1985.9.25
Overall Enantioselective α-Alkylation of Aspartic and Glutamic Acid through Dilithium Enolatocarboxylates of 2- [3-Benzoyl-2-(tert-butyl)-1-methyl-5-oxoimidazolidin-4-yl]acetic and 3-[3-Benzoyl-2-(tert-butyl)-1-methyl-5-oxoimidazolidin-4-yl]propionic Acid, respectively
Processes for the preparation of (S)-tert-butyl 4,5-diamino-5-oxopentanoate
申请人:Celgene Corporation
公开号:US10717703B2
公开(公告)日:2020-07-21
Provided are processes for the preparation of (S)-tert-butyl 4,5-diamino-5-oxopentanoate, or a salt, solvate, hydrate, enantiomer, mixture of enantiomers, or isotopologue thereof. Also provided are solid forms of various intermediates and products obtained from the processes.
PROCESSES FOR THE PREPARATION OF (S)-TERT-BUTYL 4,5-DIAMINO-5-OXOPENTANOATE
申请人:Celgene Corporation
公开号:US20190084924A1
公开(公告)日:2019-03-21
Provided are processes for the preparation of (S)-tert-butyl 4,5-diamino-5-oxopentanoate, or a salt, solvate, hydrate, enantiomer, mixture of enantiomers, or isotopologue thereof. Also provided are solid forms of various intermediates and products obtained from the processes.