The synthesis of isomeric naphthylethylcarbazole derivatives as reference compounds in coal??derived products
JK Luo, RN Castle, ML Lee
Index: Luo, Jiann-Kuan; Castle, Raymond N.; Lee, Milton L. Journal of Heterocyclic Chemistry, 1989 , vol. 26, p. 1213 - 1219
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Citation Number: 7
Abstract
Sept-Oct 1989 Synthesis of Isomeric Naphthylethylcarbazole Derivatives 1215 yields, respectively, by reacting the methylcarbazoles with benzenesulfonyl chloride using sodium hydride as the condensing agent (Scheme III). Dibromination of 4, S and 6 with 2 moles of NBS in carbon tetrachloride in the presence of benzoyl peroxide as the initiator, the corresponding dibromoethylcarbazoles 7, 8 and 9 were isolated in 85, 82 and 89% yields, ...
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