Author's Organization:Pharmaceutical Institute, Tohoku University Research Laboratories, Grelan Pharmaceutical Co., Ltd. Research Laboratories, Grelan Pharmaceutical Co., Ltd. Research Laboratories, Grelan Pharmaceutical Co., Ltd. Research Laboratories, Grelan Pharmaceutical Co., Ltd. Research Laboratories, Grelan Pharmaceutical Co., Ltd.
The configuration of diastereoisomers (IIIα and IIIβ) of 1-diethylamino-3-hydroxy-2-methylbutane was determined from comparison of nuclear magnetic resonance and infrared spectra.