The Martinet dioxindole synthesis proceeds with an alkoxyaniline, 3, 4, 5-trimethoxyaniline, which reacts with an oxomalonic ester in glacial acetic acid to synthesize 2-carbethoxy-4, 5, 6-trimethoxyindoxyl, 2-carbethoxy-3, 4, 5, 6-tetramethoxyindole and 4, 5, 6-trimethoxy-3-hydroxy-3-carbethoxyindole.
2.
The Martinet dioxindole synthesis proceeds with an alkoxyaniline, 3, 4, 5-trimethoxyaniline, which reacts with an oxomalonic ester in glacial acetic acid to synthesize 2-carbethoxy-4, 5, 6-trimethoxyindoxyl, 2-carbethoxy-3, 4, 5, 6-tetramethoxyindole and 4, 5, 6-trimethoxy-3-hydroxy-3-carbethoxyindole.
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