The present invention provides a method for preparing an amino acid monoester from an amino acid diester without the use of an enzyme. Particularly, the method involves hydrolysis of an amino acid diester in the presence of a non-enzyme additive and under reaction conditions that affect selective hydrolysis of the α-ester group. The reaction conditions comprise a specific pH, temperature, and vapor pressure.
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Page 3
(2008/06/13)
Route of synthesis for tertiary alkyl esters
4-[(2-chloroethyl)-(2-hydroxyethyl)-amino]benzoyl amino acids of formula (IV), wherein X represents a group (a), where Pro represents hydrogen or a straight or branched chain C1-6 alkyl group, and salts thereof, and processes for their production. The compounds are useful for the production of nitrogen mustard prodrugs STR1
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(2008/06/13)
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