2-(5-fluoro-4-(1-hydroxyethyl)pyridin-3-yl)benzofuran-5-carbonitrile                                                                                                                                                                                              以
                                                                                         
正庚烷                                                                                  为溶剂,
                                                                                                                                                                                        以giving (S)-2-(5-fluoro-4-(1-hydroxyethyl)pyridin-3-yl)benzofuran-5-carbonitrile 7-(enantiomer-1) as white solid (72 mg) (retention time: 10.93 min) and (R)-2-(5-fluoro-4-(1-hydroxyethyl)pyridin-3-yl)benzofuran-5-carbonitrile 7-(enantiomer-2) as white solid (66 mg) (retention time: 12.57 min)的产率得到(S)-2-(5-fluoro-4-(1-hydroxyethyl)pyridin-3-yl)benzofuran-5-carbonitrile