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CAS No.: | 85652-50-2 | ||
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Name: | VIOLANTHRONE-79 | ||
Article Data: | 3 | ||
Molecular Structure: | |||
Formula: | C50H48 O4 | ||
Molecular Weight: | 712.929 | ||
Synonyms: | Violanthrone79 | ||
Density: | 1.216±0.06 g/cm3 (20 ºC 760 Torr), Calc.* | ||
Melting Point: |
193-196 °C(lit.) |
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Safety: |
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PSA: | 52.60000 | ||
LogP: | 13.63860 |
1-bromo-octane
16,17-dihydroxyviolanthrene-5,10-dione
16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
Conditions | Yield |
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With 18-crown-6 ether; potassium carbonate In 1-methyl-pyrrolidin-2-one at 100℃; for 8h; Williamson Ether Synthesis; | 72% |
Stage #1: 16,17-dihydroxyviolanthrene-5,10-dione With potassium carbonate In N,N-dimethyl-formamide at 120℃; Stage #2: 1-bromo-octane In N,N-dimethyl-formamide at 120 - 130℃; for 11h; | 12.5% |
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; |
Jade Green XBN
16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
Conditions | Yield |
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Multi-step reaction with 2 steps 1.1: dichloromethane / 1 h / 20 °C 1.2: 16 h / 20 °C / Reflux; Cooling with ice 2.1: potassium carbonate; 18-crown-6 ether / 1-methyl-pyrrolidin-2-one / 8 h / 100 °C View Scheme |
16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
malononitrile
C56H48N4O2
Conditions | Yield |
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With acetic anhydride for 6h; Reflux; | 11.3% |