Azetidine-2-carboxylic acid and other nonprotein amino acids in the pathogenesis of neurodevelopmental disorders

2020 ◽  
pp. 27-34
Author(s):  
Edward Rubenstein
Keyword(s):  
Amino Acids ◽  
Carboxylic Acid ◽  
Neurodevelopmental Disorders ◽  
Nonprotein Amino Acids

Synthesis and Antibacterial Potency of 4-Methyl-2,7-dioxo-1,2,3,4,7,10- hexahydropyrido[2,3-ƒ]quinoxaline-8-carboxylic acid, Selected [a]-Fused Heterocyles and Acyclic Precursors

2007 ◽  
Vol 62 (11) ◽  
pp. 1453-1458 ◽  
Author(s):  
Yusuf M. Al-Hiari ◽  
Ali M. Qaisia ◽  
Mohammad Y.Abu Shuheil ◽  
Mustafa M. El-Abadelah ◽  
Wolfgang Voelter
Keyword(s):  
Amino Acids ◽  
Carboxylic Acid ◽  
Antibacterial Activities ◽  
Sodium Dithionite ◽  
E Coli ◽  
Pipecolinic Acid

The reaction of 7-chloro-1-cyclopropyl-6-fluoro-8-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (7) with each of sarcosine and (±)-pipecolinic acid afforded the corresponding N-(4- oxoquinolin-7-yl)-α-amino acids 8 and 9. Reductive lactamization of the latter with sodium dithionite gave hexahydropyrido[2,3- f ]quinoxaline (10) and octahydrodipyrido[1,2-a : 2,3- f ]quinoxaline (11) derivatives, respectively. Compounds 8 - 11 and their homologs 1 - 6, accessible from (S)-proline, (2S, 4R)-4-hydroxyproline and (S)-tetrahydroisoquinoline-3-carboxylic acid exhibit good to excellent antibacterial activities against E. coli and S. aureus.

Enzymatic resolution of (±)-5-phenyl-4,5-dihydroisoxazole-3-carboxylic acid ethyl ester and its transformations into polyfunctionalised amino acids and dipeptides

2009 ◽  
Vol 20 (16) ◽  
pp. 1940-1947 ◽  
Author(s):  
Giuseppe Cremonesi ◽  
Piero Dalla Croce ◽  
Alessandra Forni ◽  
Maddalena Gallanti ◽  
Raffaella Gandolfi ◽  
...  
Keyword(s):  
Amino Acids ◽  
Carboxylic Acid ◽  
Ethyl Ester ◽  
Acid Ethyl Ester ◽  
Enzymatic Resolution

scholarly journals Amino acids and derivatives of thiazole-4-carboxylic acid as constituents of thiopeptin B.

1977 ◽  
Vol 30 (5) ◽  
pp. 383-387 ◽  
Author(s):  
ICHIRO MURAMATSU ◽  
YOSHIAKI MOTOKI ◽  
MASAAKI AOYAMA ◽  
HIDEO SUZUKI
Keyword(s):  
Amino Acids ◽  
Carboxylic Acid ◽  
Amino Acids And Derivatives ◽  
Derivatives Of

Pyrazole amino acids: hydrogen bonding directed conformations of 3-amino-1H-pyrazole-5-carboxylic acid residue

2017 ◽  
Vol 23 (9) ◽  
pp. 716-726 ◽  
Author(s):  
Anna Kusakiewicz-Dawid ◽  
Monika Porada ◽  
Wioletta Ochędzan-Siodłak ◽  
Małgorzata A. Broda ◽  
Maciej Bujak ◽  
...  
Keyword(s):  
Amino Acids ◽  
Hydrogen Bonding ◽  
Carboxylic Acid

Vorstufen cyclischer Polysulfide in den Samen von Parkia speciosa Hassk. / Precursors of Cyclic Polysulphides in Seeds of Parkia speciosa Hassk.

1982 ◽  
Vol 37 (7-8) ◽  
pp. 584-586 ◽  
Author(s):  
Rudy Susilo ◽  
Rolf Gmelin
Keyword(s):  
Amino Acids ◽  
Carboxylic Acid ◽  
Imino Acid ◽  
Djenkolic Acid

Abstract Two sulphur containing amino acids, dichrostachinic acid and djenkolic acid, and one sulphur containing imino acid, thiazolidine-4-carboxylic acid, have been isolated from the seeds o f Parkia speciosa Hassk. Dichrostachinic acid and djenkolic cyclic polysulphides in Parkia speciosa Hassk.

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