| 摘要 |
A process by which 5-deoxy-L-arabinose, which is important as a material for the production of saproterin, a useful therapeutic agent for atypical hyperphenylalaninemia, can be industrially and efficiently produced even with a simple production apparatus. The process for 5-deoxy-L-arabinose production is characterized by reacting L-rhamnose with a C11-16 linear alkyl mercaptan compound in the presence of an acid catalyst to yield an L-rhamnose di(alkyl mercaptal), subsequently subjecting the resultant compound to an oxidation reaction to obtain a sulfonyl derivative, and then subjecting it to a carbon diminution reaction. This production process is applicable to a process for the production of a compound formed by removing one carbon atom from another aldol compound. Thus, the process is one for producing carbon-diminished compounds of general aldoses.
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