反应条件
1: 85 percent / diethyl ether / 7 h / 22 - 24 °C
2: 97 percent / PPTs / CH2Cl2 / 1 h / 22 - 24 °C
3: 80 percent / Bu4NF / tetrahydrofuran / 2 h / 22 - 24 °C
4: 1) (COCl)2, DMSO, 2) Et3N / 1) CH2Cl2, -60 deg C, 2) -60 to 24 deg C
5: 95 percent / tetrahydrofuran / 1) -78 deg C, 1 h, 2) up to 22-24 deg C
6: 94 percent / PPTS / ethanol / 1 h / Heating
7: 1) (COCl)2, DMSO, 2) Et3N / 1) CH2Cl2, -60 deg C, 2) -60 to 24 deg C
8: 92 percent / bis(triphenyltin) sulfide, boron trichloride / toluene / 2 h / Heating
View Scheme
参考文献
Freeman, Fillmore; Kim, Darrick S. H. L.; Rodriguez, Eloy
Journal of Organic Chemistry, 1992 , vol. 57, # 6 p. 1722 - 1727
