Citation:
Shao-Lei Xie, Yong-Hai Hui, Xiang-Ju Long, Chang-Chun Wang, Zheng-Feng Xie. Aza-Michael addition reactions between nitroolefins and benzotriazole catalyzed by MCM-41 immobilized heteropoly acids in water[J]. Chinese Chemical Letters,
;2013, 24(01): 28-30.
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MCM-41 supported heteropoly acids(HPAs)catalysts were synthesized,characterized and their catalytic activity was evaluated in an aza-Michael addition reaction between nitroolefins and benzotriazole in water at room temperature.50 wt%PW/MCM-41 showed the highest activity(up to 96%yield).The catalyst was used in six consecutive experiments without obvious loss of activity, confirming the success of the anchoring process and the catalyst stability.
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Keywords:
- Aza-Michael addition,
- MCM-41,
- Heteropoly acids,
- Heterogenous catalysts
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