反应详情

From the toluene extract, a small amount of a sample was withdrawn, and it was subjected to GC analysis. As a result of the analysis, a peak of the tetrafluoroterephthalonitrile as a raw material was below the detection limit, and tetrafluoroterephthalaldehyde was obtained in an amount of only 14.5 mol %. The amount of 2,3,5,6-tetrafluorobenzene was 0.81 mol %, the amount of 2,3,5,6-tetrafluorobenzonitrile was 0.67 mol %, and 1-cyano-2,3,5,6-tetrafluorobenzaldehyde wherein a nitrile group on only one side had reacted was obtained in an amount of 54.0 mol %. On the other hand, the aqueous phase was neutralized and then subjected to GC analysis. As a result of the analysis, presence of 0.04 mol % of 2,3,5,6-tetrafluorobenzylamine was confirmed. The results are set forth in Table 2.

1. customhad reacted
2. customwas obtained in an amount of 54.0 mol %