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temperature was raised to 30 °C by heating (if necessary) and stirred for 4-6 h then left for 24 h at room temperature. Preci- pitates obtained were filtered, dried and recrystallized from ethanol. Furan-2-carbaldehydes thus prepared are listed in Table-1 and their spectral data in Table-2.

Table 1 temperature was raised to 30 °C by heating (if necessary) and stirred for 4-6 h then left for 24 h at room temperature. Preci- pitates obtained were filtered, dried and recrystallized from ethanol. Furan-2-carbaldehydes thus prepared are listed in Table-1 and their spectral data in Table-2.