| 摘要 |
1345215 4,4<SP>1 </SP>- Disulphoxy - diphenyl - (2- pyridyl)-methanes SPA-SOC PRODOTTI ANTIBIOTICI SpA 5 Sept 1972 [17 Sept 1971] 43431/71 Heading C2C [Also in Division A5] Novel therapeutic compounds (I) where M is a cation and R and R 1 are H, halo, alkyl, aryl or aralkyl provided that R and R 1 are not both H, are made by esterifying corresponding dihydroxy compounds. The invention also comprises dehalogenating (I) where R and/ or R 1 is halo to give (I) where R and R 1 are H; such compounds are also prepared by esterification. p - Methoxyphenyl - (2 - pyridyl) - methanol, 3 - chloro - 4 - hydroxy - 4<SP>1 </SP>- methoxydiphenyl-(2- pyridyl) - methane and 3 - chloro - 4,4<SP>1 </SP>- dihydroxydiphenyl - (2 - pyridyl) - methane are also prepared. |
