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单词 Kinetic control
释义

Kinetic control

英语百科

Thermodynamic versus kinetic reaction control

(重定向自Kinetic control)
Energy profile diagram for kinetic versus thermodynamic product reaction.

Thermodynamic reaction control or kinetic reaction control in a chemical reaction can decide the composition in a reaction product mixture when competing pathways lead to different products and the reaction conditions influence the selectivity or stereoselectivity. The distinction is relevant when product A forms faster than product B because the activation energy for product A is lower than that for product B, yet product B is more stable. In such a case A is the kinetic product and is favoured under kinetic control and B is the thermodynamic product and is favoured under thermodynamic control.

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