Method for preparing ligand for polyketone polymerization catalyst
AssigneeSt Pharm Co., Ltd.
InventorsGeun Jho Lim, Sun Ki Chang, Hyun Woo Baek, Jun Hyun Oh, Yeong Hun Kim
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Abstract
The present disclosure provides a method for preparing ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine), a ligand for a polyketone polymerization catalyst, under mild conditions with high purity and high yield. Therefore, the preparation method of the present disclosure can be easily applied to mass production.
Claims8
A method for preparing a compound represented by the following Formula 1, comprising a step (S1) of reacting a compound represented by the following Formula 2 with a compound represented by the following Formula 3 in the presence of a base which is sodium tert-butoxide or potassium tert-butoxide:
Dependencies are inferred from the claim text.