Benzylidene acetone exports accounted for first in the country.

苄叉丙酮的出口量占全国第一。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

醛和丙酮为原料,氟化钾氧化铝作催化合成了苄叉丙酮。