Angew. Chem. Int. Ed., 2010, 49, Early View

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Angew. Chem. Int. Ed., 2010, 49, Early View Light-Driven Transport of a Molecular Walker in Either Direction along a Molecular Track Michael J. Barrell, Araceli G. Campaa, Max von Delius, Edzard M. Geertsema, and David A. Leigh* School of Chemistry, University of Edinburgh The King’s Buildings, West Mains Road, Edinburgh EH9 3JJ (UK) Nat. Chem., 2010, 2, 96-101 J. Am. Chem. Soc., 2010, 132, ASAP

Linear Molecular Motor <Nature System> M. Schliwa and G. Woehlke, Nature, 2003, 422, 759-765 Bipedal Motor Proteins Nature, 2007, 445, 523-527 Nature, 2003, 424, 174-179; JACS, 2008, 130, 1836-1838; JACS, 2006, 128, 4058-4073; Science, 2004, 306, 1532-1537; Angew. Chem. Int. Ed., 2007, 46, 72-191; etc…..

A Molecular Walker-Track System Acid: Lock Base: Labile Acid: Labile Base: Lock D. A. Leigh. et al., Nat. Chem., 2010, 2, 96-101.

A Molecular Walker-Track System S. Otto, Nat. Chem., 2010, 2, 75-76. D. A. Leigh. et al., Nat. Chem., 2010, 2, 96-101.

A Light-driven Walker-Track System

Synthesis of Molecular Walker-Track Conjugate

Directional Biased Walker Migration

1H NMR Spectra of Each Isomer of 1 (500 MHz, CD2Cl2)

1H NMR Spectra of Each Isomer of 1 (500 MHz, CD2Cl2)

Dynamic Behavior of Walker-Track System acid 365 nm 500 nm base

Dynamic Behavior of Walker-Track System base 500 nm 365 nm acid

Dynamic Behavior of Walker-Track System base acid base acid

By-products

Energy Ratchet Mechanism

Conclusions A light-driven Walker-Track System

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