(3R,4R,5S)-4-acetamido-5-(1,3-dioxoisoindol-2-yl)-3-pentan-3-yloxycyclohexene-1-carboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate   、                                                                                                  
水                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
异丙醇                                                                                  为溶剂,
                                                                                                                                                                                        以93%的产率得到(3R,4R,5S)-4-acetamido-5-[[2-(hydroxymethyl)benzoyl]amino]-3-pentan-3-yloxycyclohexene-1-carboxylic acid