154456-18-5

Upstream product

• 114676-48-1 (2S,4R)-1-benzyl-4-hydroxyproline methyl ester 
• 100-44-7 benzyl chloride 
• 51-35-4 4R-4-hydroxyproline 

Downstream Products

• 154342-28-6 (2S,4R)-1-benzyl-2-methoxycarbonylpyrrolidine-4-spiro-5'-hydantoin 
• 154429-27-3 (2S,4S)-1-benzyl-2-methoxycarbonylpyrrolidine-4-spiro-5'-hydantoin 
• 1092099-11-0 (2S,4S)-1-benzyl-4-(3,5-bis-trifluoromethyl-benzylamino)-pyrrolidine-2-carboxylic acid methyl ester 
• 171192-78-2 methyl (2S,4S)-4-amino-1-benzyl-4-methoxycarbonylprolinate 
• 171336-82-6 methyl (2S,4R)-4-amino-1-benzyl-4-methoxycarbonylprolinate 
• 171336-75-7 (2S,4S)-4-amino-1-benzyl-4-carboxyproline 
• 171336-77-9 (2S,4R)-4-amino-1-benzyl-4-carboxyproline 
• 171336-79-1 (2S,4S)-4-amino-4-carboxyproline 
• 171336-79-1 (2S,4R)-4-aminopyrrolidine-2,4-dicarboxylic acid 

Relevant academic research and scientific papers

Highly chemoselective aerobic oxidation of amino alcohols into amino carbonyl compounds

The direct oxidation of unprotected amino alcohols to their corresponding amino carbonyl compounds has often posed serious challenges in organic synthesis and has constrained chemists to adopting an indirect route, such as a protection/deprotection strategy, to attain their goal. Described herein is a highly chemoselective aerobic oxidation of unprotected amino alcohols to their amino carbonyl compounds in which 2-azaadamantane N-oxyl (AZADO)/copper catalysis is used. The catalytic system developed leads to the alcohol-selective oxidation of various unprotected amino alcohols, carrying a primary, secondary, or tertiary amino group, in good to high yield at ambient temperature with exposure to air, thus offering flexibility in the synthesis of nitrogen-containing compounds. Strong as an ox: The highly chemoselective aerobic oxidation of unprotected amino alcohols to their corresponding amino carbonyl compounds has been achieved by using 2-azaadamantane N-oxyl (AZADO)/copper catalysis. This catalytic system oxidizes not only alcohols with tertiary amino groups but also those with secondary and primary amines in good to high yield at ambient temperature in air. bpy=2,2-bipyridyl, DMAP=4-(N,N-dimethylamino)pyridine.

PROLINAMIDE DERIVATIVES AS NK3 ANTAGONISTS

The present invention relates to a compound of formula I wherein R2 R3, R4, R5, X, n, and o are as defined herein and to a pharmaceutically acceptable acid addition salt thereof which are high potential NK-3 receptor antagonists for the treatment of depression, pain, psychosis, Parkinson's disease, schizophrenia, anxiety and attention deficit hyperactivity disorder (ADHD).

Asymmetric syntheses of all four isomers of 4-amino-4-carboxyproline: Novel conformationally restricted glutamic acid analogues

Asymmetric syntheses of all four isomers of 4-amino-4-carboxyprolines, i.e. (2S,4S)-3, (2S,4R)-4, and their corresponding enantiomers, as novel conformationally restricted analogues of glutamic acid, were performed from trans-4-hydroxy-L-proline as a homochiral starting material. The key step was the spirohydantoin ring formation by employing the Bucherer-Bergs reaction of 4-oxoproline derivatives. These structures were determined by NMR studies.