采用浸渍法制备了羟基磷灰石(HAP)负载的路易斯酸SnCl2和SnCl4催化剂.它们在三糖在醇溶液中转化为乳酸酯反应中表现出一定的催化活性.在最佳的反应条件下,SnCl2/HAP催化1,3-二羟丙酮在正丁醇溶液中转化为乳酸正丁酯,收率高达73.5%.
We prepared hydroxyapatite-supported tin(II) chloride and tin(IV) chloride Lewis acid catalysts.These catalysts showed catalytic activity for the transformation of trioses in alcohols to yield alkyl lactates.Under optimal conditions,n-butyl lactate was obtained in 73.5% yield when dihydroxyacetone and n-butanol were treated with hydroxyapatite-supported tin(II) chloride.
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