Pressure control of diastereodifferentiating [2 + 2] photocycloaddition of (E)-stilbene to chiral fumarate upon direct and charge-transfer excitation |
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| Authors: | Saito Hideaki Mori Tadashi Wada Takehiko Inoue Yoshihisa |
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| Affiliation: | Department of Molecular Chemistry and PRESTO, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita 565-0871, Japan. |
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| Abstract: | The geometry (donor-acceptor distance) and association constant of the ground-state CT complex were considerably affected by applied pressure, thus enhancing the reaction rate and the adduct yield particularly upon CT excitation, but the diastereoselectivity did not show any substantial change at elevated pressures in both excitation modes. |
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