C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 41/00 (2006.01) C07D 211/90 (2006.01) C07D 405/12 (2006.01)
Patent
CA 2135169
2135169 9322284 PCTABS00027 A process for stereospecifically hydrolysing a mixture of the (+) and (-) isomers of a compound of formula (II), in which R is C1-6 alkyl; using a carboxyl esterase enzyme, (i) to form a compound of formula (IIIA), and thereafter separating the resulting compound of formula (IIIA) from the remaining (-) isomer of formula (II); or (ii) to form a compound of formula (IIIB) and thereafter separating the resulting compound of formula (IIIB) from the remaining (+) isomer of formula (II).
Curzons Alan D.
Keay Alan M.
Powell Lawson W.
Borden Ladner Gervais Llp
Smithkline Beecham P.l.c.
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