C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/361.3
C07F 9/09 (2006.01) C07F 9/655 (2006.01)
Patent
CA 2028911
Abstract of the disclosure: PROCESS FOR PRODUCTION OF 2-PHOSPHATED ESTERS OF ASCORBIC ACID A process for the production of 2-phosphated esters of ascorbic acid by subjecting an ascorbic acid optionally protected at the 5- and 6-positions to phosphorylation with maintaining the concentration of the optionally protected ascorbic acid in a reaction mixture at less than 0.3 M and, if necessary removing any protecting group is disclosed. 2-Phosphated ester of ascorbic acid can be produced with a good yield in an industrial scale by this process.
Kawashima Yasushi
Yoshida Kokichi
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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