Method of producing N-benzyloxycarbonyl-L-aspartic acid

Details Method of producing N-benzyloxycarbonyl-L-aspartic acid Method of producing N-benzyloxycarbonyl-L-aspartic acid

1981-01-12

1982-08-17

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C12506

Patent

active

043450911

ABSTRACT:
The reaction between L-aspartic acid and benzyloxycarbonyl chloride is carried out at a specific pH range, i.e., 12.0 to 13.5, whereby highly pure N-benzyloxycarbonyl-L-aspartic acid can be obtained in high yields, while both the by-production of N-benzyloxycarbonyl-.alpha.- or .beta.-L-aspartyl-L-aspartic acid and the decomposition of benzyloxycarbonyl chloride to benzyl alcohol are suppressed.

REFERENCES:
patent: 3808190 (1974-04-01), Dahlmans
patent: 4293706 (1981-10-01), Gorman
Bergann, Berichte, 65 pp. 1192-1201 (1932).

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