activating catalysts with mechanical force
DESCRIPTION
Activating Catalysts with Mechanical Force. 1a : 3 mM , 6 o C , 60 min, conversion : 65 % (sonication) 1a : 3 mM , 6 o C 60 min, conversion : 3 % (without sonication) 1a : 0.6 mM , 95 o C , 45 min, conversion : 28%. Room temperature : no reaction 80 o C , 60 min, conversion : 94%. - PowerPoint PPT PresentationTRANSCRIPT
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Activating Catalysts with Mechanical Force
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1a : 3 mM , 6 oC , 60 min, conversion : 65 % (sonication)1a : 3 mM , 6 oC 60 min, conversion : 3 % (without sonication)1a : 0.6 mM , 95 oC , 45 min, conversion : 28%
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Room temperature : no reaction80 oC , 60 min, conversion : 94%
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6a : 1 mM , 20 oC , 60 min, conversion : 14% 6b : 1 mM , 20 oC 60 min, conversion : 36% 7 : 1 mM , 20 oC , 150 min, conversion <1%
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1 mM 6b solution (sonication) +10 mM of PCy3
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1 mM 6b solution (sonication) + 10 mM of PCy3 +100 mM of DEDAM
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1 mM 6c 20 oC (sonication) conversion : 90% 1 mM 6c 20 oC (no sonication) conversion : 2%