Syntheses of 1,3,8,10,12-pentazanaphthacene-2,4,7,9-(12H,3H,8H,10H)-tetraones (linear pyrimidine-fused 5-deazaflavins), 1,3,6,8,12-pentazabenz[a]anthracene-2,4,7,9(12H,3H,6H,8H)-tetraones(bent pyrimidine-fused 5-deazaflavins), and their flavin analogs
β Scribed by Fumio Yoneda; Masakazu Koga
- Book ID
- 112129154
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1989
- Tongue
- English
- Weight
- 242 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0022-152X
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π SIMILAR VOLUMES
tetraones (mixed flavins) were prepared by the cyclizatron of 1,5=dihydro-8-[N-alkyl-N-(5-nitrouracil-6-yl)-amino-5-deazaflavins with Vilsmeier reagent. The mixed flavins oxidized alcohol under neutral condition in sunlight and a remarkable autorecycling was observed. Recently it was shown that 5-
In the molecule of the title compound, C~19~H~18~N~6~O~10~, the 2,8-dimethoxy-4,10-dimethyl-1,3,7,9-tetranitro analogue of TrΓΆger's base, the diazocine bridge imparts a twist such that the two aryl rings are offset with respect to one another. The hinge angle of the molecule, measured as the dihedra
## Abstract H~10~TTPR was prepared starting from terephthalaldehyde and characterized. Crystal structure of H~10~TTPR and an intermediate compound 11 were determined by Xβray diffraction analysis. A quasiβreversible redox wave at 1.15 V (vs. SCE) was observed for H~10~TTPR, indicating that it is a