C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
195/123, 195/99,
C12N 11/10 (2006.01) C12N 11/04 (2006.01)
Patent
CA 1063952
Abstract of the Disclosure Enzymic catalysts containing penicillinacylase covalently bound to a water-soluble polymeric carrier are prepared either in water-soluble form or water-insoluble form by incorporating said catalysts in or encapsulating said catalysts in a water-insoluble polymer. The water- soluble catalysts are produced by reacting penicillinacylase with an activated derivative of a suitable polymeric carrier in aqueous solution. The enzymic catalysts are then contacted with a penicillin thereby cleaving the side chain and permitting recovery of the 6-APA nucleus. The enzymic catalysts above described are parti- cularly useful for the production of 6-APA since the catalysts allow the splitting of the 6-position side chain from the 6-APA nucleus to be carried out at higher concentrations with less water to be evaporated, thereby producing a more economical operation which produces good yields of 6-APA.
194601
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