3-amino-3,4-dihydroquinolin-2(1H)-one hydrochloride   、                                                                                      
(6E)-6,7,8,9-tetradeoxy-8,8-dimethyl-2-O-methyl-3,5-O-(1-methylethylidene)-gulo-non-6-enonic acid lactone                                                                                                                                                              在
                                                                                                                                                                                 
sodium 2-ethylhexanoic acid                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 264.0h,
                                                                                                                以93%的产率得到(R)-2-[(4R,5S,6R)-6-((E)-3,3-dimethylbut-1-enyl)-5-hydroxy-2,2-dimethyl-1,3-dioxan-4-yl]-2-methoxy-N-(2-oxo-1,2,3,4-tetrahydroquinolin-3-yl)-acetamide