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Infrared spectra of compounds of germanium (IV) with mandelic acid of composition 1 ∶ 3

✍ Scribed by G. I. Kurnevich; V. B. Vishnevskii; E. M. Loiko

Publisher
Springer US
Year
1972
Tongue
English
Weight
179 KB
Volume
17
Category
Article
ISSN
0021-9037

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The resolution of racemic 3-(methylamino)-1-(2-thienyl)propan-1-ol 3, a new key intermediate for duloxetine 1, was studied. The conditions were optimized for an industrial-scale resolution of 3 by using (S)-mandelic acid 4 as a resolving agent and 2-butanol containing 2 equimolar amounts of water as