| 单词 |
graebe-ullman reaction |
| 释义 |
Graebe-Ullman reaction Graebe-Ullman reaction[¦gre·bə ′u̇l·mən rē‚ak·shən] (organic chemistry) Production of fluorenone by boiling 2-benzoylbenzenediazonium salts in dilute acid solution. Reaction of 2-aminodiphenylamines with nitrous acid to form a benzotriazole which on heating loses nitrogen to form a carbazole. |
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