(S)-3-(tert-Butyl-diphenyl-silanyloxy)-4-{[4-(4-fluoro-phenyl)-2-isopropyl-5H-indeno[1,2-b]pyridin-3-ylethynyl]-methoxy-phosphinoyl}-butyric acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 lithium hydroxide   、                                                                                                  
四丁基氟化铵   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 36.0h,
                                                                                                                生成                                                 (S)-4-[[[4-(4-Fluorophenyl)-2-(1-methylethyl)-5H-indeno[1,2-b]pyridin-3-yl]ethynyl]hydroxyphosphinyl]-3-hydroxybutanoic acid, dilithium salt