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Condensation of Ethyl 2-Oxoindoline-3-glyoxylate with o-Aminophenol and o-Phenylenediamine |
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| Authors: | V V Bolotov S N Kovalenko S V Kovaleva V I Stepanenko |
| Institution: | (1) Ukraine National Pharmaceutical Academy, Kharkov, 61002 |
| Abstract: | A method is presented for the synthesis of 3-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-1,4-dihydroquinoxalin-2-one and 2-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-2H-1,4-benzoxazin-3(4H)-one by the reaction of ethyl 2-oxoindoline-2-glyoxylate with o-aminophenol and o-phenylenediamine. Proposed reaction mechanisms are presented. |
| Keywords: | 2H-1 4-benzoxazin-3(4H)-one 1 4-dihydroquinoxalin-2-one 2-oxo-1 2-dihydro-1H-indole cis-trans izomerism |
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