Regioselective [2 + 2]-photocycloaddition reactions of chiral tetronates—influence of temperature, pressure, and reaction medium‡

Literature Information

Publication Date 2006-11-20
DOI 10.1039/B613985J
Impact Factor 6.222
Authors

Martin Fleck, Cheng Yang, Takehiko Wada, Yoshihisa Inoue, Thorsten Bach


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Abstract

The intramolecular [2 + 2]-photocycloaddition of the 1,3-divinyl-2-cyclopentyl tetronates 1 was performed under various conditions to give perfect diastereoselectivity and a regioselectivity of up to 85/15 in the presence of γ-cyclodextrin by differentiating the two chemically very similar double bonds of 1.

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