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https://scholarbank.nus.edu.sg/handle/10635/105606
| Title: | A synthesis of a novel heterocyclic system: 2H-furo[3,2-b][1,4] benzothiazin-2-one | Authors: | Dolzhenko, A.V. Chui, W.-K. |
Issue Date: | 1-Nov-2004 | Citation: | Dolzhenko, A.V.,Chui, W.-K. (2004-11-01). A synthesis of a novel heterocyclic system: 2H-furo[3,2-b][1,4] benzothiazin-2-one. Heterocycles 63 (11) : 2623-2626. ScholarBank@NUS Repository. | Abstract: | A synthesis of 3-methyl-2H-furo[3,2-b][1,4]benzothiazin-2-ones (10a,b) is described. o-Aminothiophenols (1a,b) undergo condensation with citraconic anhydride followed by cyclization and oxidation of the resulting 2-(3,4-dihydro-2H-1,4-benzothiazin-2-yl)propanoic acids (5) with thionyl chloride gives moderate yield of 10a,b. | Source Title: | Heterocycles | URI: | http://scholarbank.nus.edu.sg/handle/10635/105606 | ISSN: | 03855414 |
| Appears in Collections: | Staff Publications |
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