- Synthesis of 5,6-Dihydro-4H-pyrido[3,2,1-jk]carbazole via intermolecular [4+2] cycloaddition
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4-, 4,5- and 4,6-Substituted 5,6-dihydro-4H-pyrido[3,2,1-jk]carbazole are synthesized regioselectively from carbazole by a novel, two step sequence.
- Katritzky, Alan R.,Zhang, Guifen,Qi, Ming,Xie, Linghong
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- 1-(Carbazol-9-ylmethyl)benzotriazole Anion: A Formyl Anion Equivalent
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The title anion, readily available as its lithium derivative, smoothly reacts with a wide range of electrophiles to give well-characterized products which are easily hydrolyzed to the corresponding aldehydes in high overall yields.The method is compared with currently available routes.
- Katritzky, Alan R.,Yang, Zhijun,Lam, Jamshed N.
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p. 2143 - 2147
(2007/10/02)
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- Preparation, Lithiation and Transformation of N-(Benzotriazol-1-ylmethyl) Heterocycles
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Indole, carbazole, pyrrole, imidazole, benzimidazole, 2-methyl- and 2-phenylbenzimidazole, and 1,2,4-triazole have each been converted into their N-(benzotriazol-1-ylmethyl) derivatives.The pyrrole, indole, and carbazole adducts undergo smooth lithiation
- Katritzky, Alan R.,Drewniak-Deyrup, Malgorzata,Lan, Xiangfu,Brunner, Frederic
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p. 829 - 836
(2007/10/02)
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