The phase transfer catalyst Ql can be repeatedly used.
相转移催化剂可反复使用。
CONCLUSION The phase transfer catalyst has advantages of simple starting material, convenient operations and mild reaction conditions.
相转移法合成萘丁美酮具有所用试剂易得，操作方法简便，反应条件温和，成本较低等优点。
The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.
实验结果表明：本体系中相转移催化剂的催化效率是苄基三乙基氯化铵大于四丁基溴化铵和四乙基溴化铵；
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