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Abstract

A process for producing (2S,5S)/(2R,5R) -5-hydroxypiperidine-2-carboxylic acid represented by the following formula (10), which comprises the step of deprotecting a hydroxyl group in a compound represented by the following formula (7) to synthesize a compound represented by the following formula (8) (in the formula (7), P represents a protecting group, R represents a protecting group, and3represents an alkyl group having 1 to 4 carbon atoms, A represents an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or an aralkyloxy group having 7 to 20 carbon atoms) (in the formula (8), R is3Represents an alkyl group having 1 to 4 carbon atoms, A represents an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or an aralkyloxy group having 7 to 20 carbon atoms).

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First Claim

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