Method for producing N-acetyl dipeptide and N-acetyl amino acid
AssigneeCj Cheiljedang Corporation
InventorsJoo Young Lee, Chang Suk Lee, Jin Woo Jeon, Jun Ok Moon, Jin Seung Park
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Abstract
Provided is a method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method including producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride.
Claims12
A method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method comprising producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride, wherein the reaction is performed in the presence of a catalyst, wherein the catalyst is calcium chloride or calcium hydroxide.
A method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method comprising producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride, wherein the reaction is performed in the presence of a catalyst, wherein a molar ratio of the catalyst to the amino acid is 0.01 to 0.4.
A method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method comprising producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride, wherein the reaction is performed at 10° C. to 30° C.
A method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method comprising producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride, wherein the reaction is performed for 3 hours to 12 hours.
A method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method comprising producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride, wherein a molar ratio of the N-acetyl dipeptide to the N-acetyl amino acid is 0.5 or more.
A method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method comprising producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride, wherein a molar ratio of the N-acetyl dipeptide to the N-acetyl amino acid is 0.5 to 9.0.
Dependencies are inferred from the claim text.