Method of producing (s)-glyceraldehyde acetonide

Details Method of producing (s)-glyceraldehyde acetonide Method of producing (s)-glyceraldehyde acetonide

C - Chemistry, Metallurgy

07

D

260/352.5

C07D 317/26 (2006.01) C07D 317/28 (2006.01) C07D 405/14 (2006.01)

Patent

CA 1209580

Method of Producing (S)-Glyceraldehyde Acetonide Abstract A method of producing (S)-glyceraldehyde acetonide, which comprises reacting 3,4-O-isopropylidene- L-threonic acid or a salt thereof with hypochlorite ion or hypochlorous acid under an acid condition, a method of producing (S)-glyceraldehyde acetonide, which comprises reacting 5,6-O-isopropylidene-L-ascorbic acid or a salt thereof with an oxidizing agent to produce 3,4-O-isopropyli- dene-L-threonic acid or a salt thereof and then reacting 3,4-O-isopropylidene-L-threonic acid or a salt thereof with hypochlorite ion or hypochlorous acid under an acid condition, and a method of producing (S)-glyceraldehyde acetonide, which comprises (1) reacting L-ascorbic acid or a salt thereof with acetone or a conventional equivalent thereof to produce 5,6-O-isopropylidene-L-ascorbic acid or a salt thereof; (2) reacting 5,6-O-isopropylidene-L- ascorbic acid or a salt thereof with an oxidizing agent to produce 3,4-O-isopropylidene-L-threonic acid or a salt thereof; and (3) reacting 3,4-O-isopropylidene-L-threonic acid or a salt thereof with hypochlorite ion or hypochlorous acid under an acid condition.

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