N1-[(2R,3S)-4-Oxo-2-phenyl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl]-N2-(phenylacetyl)-L-alaninamide   、                                                                                      
3-氟苯乙酸                                                                                                                                                                                                                                                                      反应 0.03h,
                                                                                                                以to afford the title, compound as a 1:1 mixture with the (2S,3R) diastereomer (140 mg), white solid, m.p. 130-140° C的产率得到N2-[(3-fluorophenyl)acetyl]-N1-[(2R,3S)-4-oxo-2-phenyl-2,3,4,5-tetrahydro-1,5-benzoxazepin-3-yl]-L-alaninamide