| 摘要 |
1308561 1,1<SP>1</SP>-Disubstituted-4,4<SP>1</SP>-bipyridylium cation radicals IMPERIAL CHEMICAL INDUSTRIES Ltd 12 Jan 1971 [23 Jan 1970] 3433/70 Addition to 1277733 Heading C2C Solutions of 1,1<SP>1</SP> - disubstituted - 4,4<SP>1</SP> - bipyridylium cation radicals are prepared by mixing a 1,1<SP>1</SP> - disubstituted - 1,1<SP>1</SP> - dihydro- 4,4<SP>1</SP>-bipyridyl with a solution of a 1,1<SP>1</SP>-disubstituted - 4,4<SP>1</SP> - bipyridylium salt. They may be subsquently oxidized to the corresponding 1,1<SP>1</SP> - disubstituted - 4,4<SP>1 </SP>- bipyridylium di-cations. |
