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METHOD FOR PRODUCING L-CARNOSINE DERIVATIVE AND L-CARNOSINE
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Paragraph 0094; 0095; 0096, (2019/12/05)
PROBLEM TO BE SOLVED: To provide a convenient method for producing a high-purity N-protected L-carnosine derivative and L-carnosine. SOLUTION: A production method includes reacting an acid halide (1) with an L-histidine derivative (2). (R1 and R2 are H or a protection group of an amino group; X is a halogen atom). (A TMS group is a trimethylsilyl group). SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT
