A rapid and efficient entry to synthesis of quino and chromenocarbazoles via Ullmann-Goldberg condensation |
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| Authors: | Ramu Meesala |
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| Affiliation: | School of Chemistry, University of Hyderabad, Central University (P.O.), Hyderabad-500 046, India |
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| Abstract: | An efficient two-step method for the preparation of quino and chromenocarbazoles via Ullmann-Goldberg condensation of 3-aminocarbazole and 3-hydroxy-9-ethylcarbazole with o-halobenzoic acids followed by cyclization with POCl3 has been described. |
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