C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/488, 260/526
C07C 69/67 (2006.01) C07D 307/62 (2006.01) C07D 493/04 (2006.01) C07H 7/027 (2006.01) C07H 9/04 (2006.01)
Patent
CA 1096397
Abstract of the Disclosure A synthetic route to ascorbic acid is provided in which a 3,5:4,6-protected derivative of gulonic acid is prepared from gulono-1,4-lactone. Oxidation of the derivative and hydrolysis of the resulting product affords 2-ketogulonic acid or ester thereof which can be readily converted to ascorbic acid by known methods.
305179
Limited Pfizer
Smart & Biggar
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