反应条件
1.1: bis(cyclopentadienyl)titanium dichloride; zinc; 2,4,6-trimethyl-pyridine / tetrahydrofuran / 20 °C / |Inert atmosphere 1.2: 4 h 2.1: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 0 °C / |Inert atmosphere 2.2: 2 h / 0 - 20 °C / |Inert atmosphere 3.1: (1S)-10-camphorsulfonic acid / methanol / 4 h / 0 - 20 °C / |Inert atmosphere 4.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / |Inert atmosphere 4.2: 0.17 h / -10 °C / |Inert atmosphere 4.3: 4 h / -10 °C / |Inert atmosphere 5.1: formic acid / 9 h / 50 °C / |Inert atmosphere 6.1: sodium methylate / methanol / 0.5 h / 20 °C / |Inert atmosphere View Scheme
参考文献
Velasco, Javier; Ariza, Xavier; Badia, Laura; Bartra, Marti; Berenguer, Ramon; Farras, Jaume; Gallardo, Joan; Garcia, Jordi; Gasanz, Yolanda
Journal of Organic Chemistry, 2013 , vol. 78, # 11 p. 5482 - 5491
