N-Methylated 2,3'-Bipyridinium Ion. First Synthesis of the More Sterically Hindered Isomer
1-Methyl-2,3'-bipyridinium salts can be prepared by deprotection of diquaternized precursors.Protecting groups are eliminated from the 1'-position under basic conditions; they include either p-nitrostyrene or 1-methyl-2-vinylpyridinium ion.In DMSO-d6-CD3O
Zoltewicz, John A.,Bloom, Linda B.,Kem, William R.
p. 2392 - 2395
(2007/10/02)
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