The Journal of Organic Chemistry

N, N'-Bridged 1, 4, 5, 8-Tetrakis (methylamino) naphthalenes and Their Radical Cations. Comparison with 1, 4, 5, 8-Tetrakis (dimethylamino) naphthalene and Related …

T Barth, FA Neugebauer

Index: Barth, Thomas; Neugebauer, Franz A. Journal of Organic Chemistry, 1995 , vol. 60, # 17 p. 5401 - 5406

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Citation Number: 8

Abstract

Syntheses of 3, 8-dihydro-1, 3, 6, 8-tetramethylpyrimido [4, 5, 6-ghlperimidine-2, 7-~~, 6H)- dione (21, 1, 2, 3, 6, 7, 8-hexahydro-l, 3, 6, 8-tetramethylp~ imido~ 4, 5, 6-ghlperimidine (3), and 3, 6, 7, 8-tetrahydro-1, 3, 6, 8-tetramethylpyrimido [4, 5, 6-ghlperimidin-2 (~-one (4) are reported. The corresponding radical cations were generated by oxidation with iodine or tris (4-bromopheny1) amminium hexachloroantimonate and were studied by ESR and ...