Rearrangement of Dibenzo[c,g]carbazole t
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Dr. M. Zander; W. H. Franke
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Article
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1964
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John Wiley and Sons
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English
⚖ 125 KB
## Dimethylamino infrared at 1674-1682 cm-1 and sulfonate bands at 1360 and 11 50 cm-1. This cyclization corresponds to the formation of cr-pyrones from vinylogous carboxamides and ketene [3].