The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.

该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。

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Polymer phase transfer catalyst was a good catalyst.

高分子相转移催化剂是一种良好的催化剂。

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Polymer phase transfer catalyst was a good catalyst.

高分子相转移催化剂是一种良好的催化剂。

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