Coupling of Amino Acids and Amino Sugars with Cyanuric Chloride (2,4,6-Trichloro-s-triazine)

1972 ◽  
Vol 50 (13) ◽  
pp. 1987-1991 ◽  
Author(s):  
A. S. Chaudhari ◽  
C. T. Bishop
Keyword(s):  
Amino Acids ◽  
Ethyl Ester ◽  
Cyanuric Chloride ◽  
High Yield ◽  
Amino Sugars ◽  
Amino Groups ◽  
Mild Conditions ◽  
Glycine Ethyl Ester

2,4,6-Trichloro-s-triazine (cyanuric chloride) has been used to couple glycine ethyl ester with seven carbohydrate derivatives that contain amino groups. The reactions proceed in high yield under mild conditions. The compounds serve as models for the coupling of carbohydrates to proteins by well-defined linkages through amino groups.

Novel Synthesis and Structure of a Bridging Peroxo Pentaaminecobalt(III) Dimer

1986 ◽  
Vol 39 (9) ◽  
pp. 1331 ◽  
Author(s):  
GJ Gainsford ◽  
WG Jackson ◽  
AM Sargeson
Keyword(s):  
Single Crystal ◽  
Ethyl Ester ◽  
Dimer Formation ◽  
X Ray ◽  
Mild Conditions ◽  
Novel Synthesis ◽  
Glycine Ethyl Ester ◽  
Perchlorate Salt

The addition of excess glycine ethyl ester to Co{(H2NCH2CH2)3N}(OSMe2)23+ in Me2SO leads to the symmetrical dimeric peroxo ion p,p - [Co( tren )(NH2CH2CO2Et)]2O24+ under mild conditions. The single-crystal X- ray structure of the perchlorate salt is described, and the mechanism for the dimer formation is considered.

Synthesis of amino acids. Alkylation of aldimine and ketimine derivatives of glycine ethyl ester under various phase-transfer conditions

1982 ◽  
Vol 23 (41) ◽  
pp. 4255-4258 ◽  
Author(s):  
Léon Ghosez ◽  
Jean-Pierre Antoine ◽  
Etienne Deffense ◽  
Mirtha Navarro ◽  
Valery Libert ◽  
...  
Keyword(s):  
Amino Acids ◽  
Ethyl Ester ◽  
Phase Transfer ◽  
Glycine Ethyl Ester ◽  
Derivatives Of

Synthesis of Some New Furocoumarins and their Usage in Peptide Synthesis

2003 ◽  
Vol 58 (12) ◽  
pp. 1237-1241 ◽  
Author(s):  
Eman M. Keshk ◽  
Emad M. El-Telbani ◽  
H. Abdel-Rahman
Keyword(s):  
Amino Acids ◽  
Acetic Acid ◽  
Ethyl Ester ◽  
Peptide Synthesis ◽  
Ethyl Cyanoacetate ◽  
Acid Ethyl Ester ◽  
Glycine Ethyl Ester

1,5-Benzodiazepin-2-ones (3a - d) were obtained fromω-carbethoxy visnaginone or ω-carbethoxy khellinone and substituted 1,2-phenylenediamines. Reactions of active nitriles such as malononitrile and ethyl cyanoacetate with substituted 6-dimethylaminomethylene furocoumarins (4a,b) are described. Additionally, reaction of substituted 6-dimethylaminomethylene furocoumarins with different amino acids gave furochromen-6-ylidenemethyl amino acids (7 - 9). Compound 7 was coupled with glycine ethyl ester to form amino acetic acid ethyl ester (10).

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