114604-95-4Relevant academic research and scientific papers
Amino Acids and Peptides; 67. Easy Preparation and Use of Benzyloxycarbonyl Derivatives of Amino Acid Chlorides and α-Hydroxycarboxylic Acid Chlorides
Schmidt, Ulrich,Kroner, Matthias,Beutler, Ulrich
, p. 475 - 477 (2007/10/02)
N-Benzyloxycarbonyl amino acid chlorides and α-benzyloxycarbonyloxy carboxylic acid chlorides are readily available by treating the corresponding carboxylic acids with 1-chloro-N,N,2-trimethyl-1-propen-1-amine.They can be immediately reacted with O-, N- and C-nucleophiles to afford peptides, ketones and esters.
WHAT IS THE STRUCTURE OF BARETTIN ? NOVEL SYNTHESIS OF UNSATURATED DIKETOPIPERAZINES.
Lieberknecht, Albrecht,Griesser, Helmut
, p. 4275 - 4278 (2007/10/02)
Several unsaturated diketopiperazines 1a-1f as well as a compound with the proposed structure 2 of barettin were synthesized by a new method via esters of diketopiperazine phosphonic acid.The proposed structure of barettin was found to be incorrect.
