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\ 苯乙酮的例句（苯乙酮在句子中的用法）

苯乙酮的例句（苯乙酮在句子中的用法）

The that sulfamic acid is an excellent catalyst for synthesis of acetophenone cyclic ethylic ketal. 以氨基磺酸为催化剂,通过苯乙酮和乙二醇反应合成苯乙酮环乙二缩酮.
Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent. 方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.
Thus , this reduced temperature of reaction and increased the rate of acetophenone. 降低反应温度,提高了苯乙酮的收率.

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