本发明涉及一种制备L-肉碱的方法,其包括如下步骤;步骤1(如图)步骤2(如图)其中,步骤1采用不对称催化氢化反应,步骤2采用相转移反应、碱性催化剂和低温反应条件,从而大大提高了产物L-肉碱的收率,总收率高达70%
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The present invention disclosed a foot massage apparatus which comprises: a housing; a pair of replaceable footprint plates with holes arranged according to a particular foot massage pattern, which are placed on an upper plate of the housing; protrusions protruding from the holes of each replaceable.....
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Methods of preparing quinoline derivative compounds, and administering such compounds in the treatment of solid and non-solid tumors, notably on liver cancer.
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