C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
260/468.1
C07K 5/075 (2006.01)
Patent
CA 1155453
ABSTRACT OF THE DISCLOSURE The reaction between L-aspartic acid and benzyloxy- carbonyl 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 formation of by-product N-benzyloxycarbonyl-?- or .beta.-L-aspartyl-L-aspartic acid and the decomposition of benzyloxycarbonyl chloride to benzyl alcohol are suppressed; the resulting N-benzyloxycarbonyl-L-aspartic acid is useful as a sweetener.
369775
Sato Hiroko
Sugiyama Katsumi
Takeda Hideo
Ajinomoto Co. Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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