A clay-mediated eco-friendly thiocyanation of indoles and carbazoles |
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| Authors: | Manas Chakrabarty Sandipan Sarkar |
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| Affiliation: | Department of Chemistry, Bose Institute, 93/1, A.P.C. Road, Kolkata 700009, India |
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| Abstract: | Indoles 1a-f and carbazoles 3a-c on treatment with ammonium thiocyanate on montmorillonite K10 clay at 80°C furnished the corresponding 3-thiocyanato derivatives 2a-f and 4a-c in good to high yields. Skatole 5 furnished the dimeric oxindole 6, which resulted from autoxidation. |
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| Keywords: | thiocyanation indoles carbazoles montmorillonite clay ammonium thiocyanate |
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