Prepn. of 3-oxo-pentanoic-acid-alkyl ester(s) - by reacting unsatd. aldehyde with ketene to give 4-alkenyl-2-oxetanone which is converted to 3-hydroxy-4-pentenoic acid alkyl esterThe prepn. of 3-oxopentanoic acid alkyl esters of formula (I) comprises (a) reacting an a,b-unsatd. ...
Peptides refer to a group of organic compounds which have the same composition as proteins but are composed of relatively smaller chains. They are formed from the amide formation of a carboxyl group of one amino acid ...