𝔖 Bobbio Scriptorium
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A New Route to 4H-Benzo[def]carbazole

✍ Scribed by Prof. Dr. Richard Kreher; Dipl.-Ing. Wilfried Köhler


Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
241 KB
Volume
14
Category
Article
ISSN
0044-8249

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## Abstract A variety of nitrogen‐containing heterocycles were synthesized by passing vapors of aromatic amines over calcium oxide at 450–650 °C under nitrogen carrier gas. Reaction of 2‐aminobiphenyl 3a at 560 °C gave carbazole 4 in 80% yield. Reaction of 2, 2′‐diaminobiphenyl 3b afforded a mixtur