Zinc(II)-Regulation of Hydrazone Switch Isomerization Kinetics
收藏NIAID Data Ecosystem2026-03-08 收录
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The extra H-bond in a bipyridyl-functionalized hydrazone rotary switch slows down its Z→E isomerization rate by 2 orders of magnitude (k = (3.5 ± 0.2) × 10–6 s–1). The coordination of Zn2+ with the bipyridyl subgroup simultaneously ‘unlocks’ this H-bond and accelerates the isomerization rate by at least 6 orders of magnitude (k > 6.9 s–1). This coordination-regulated kinetic control could open the way to molecular timers that can be used in guiding temporal events.
创建时间：
2016-02-18
