Pr HN COOEE Үсн COOEE COOEI CHO COOEt COOEE 9.1.61 KCN ELOH Асон COOEI CN 9.1.63 9.1.60 9.1.62 1. KOH, 2. Hy-NI, 3. AcOH
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Pr HN COOEE Үсн COOEE COOEI CHO COOEt COOEE 9.1.61 KCN ELOH Асон COOEI CN 9.1.63 9.1.60 9.1.62 1. KOH, 2. Hy-NI, 3. AcOH DMSO, H20 NaCl, beat 1. KOH. 2.H - NI, 3. ACOH CN NH COOH (SH-Mandelic acid Recrystallization NH, COOH COOEI Pregabalin 9.1.19 9.1.65 9.1.64 SCHEME 9.3 Synthesis of pregabalin.