Unusual temperature-dependent diastereoselectivity in the [2+2] photocycloaddition (Paterno-Buchi reaction) of benzophenone to cis- and trans-cyclooctene through conformational control
W. Adam et al., Unusual temperature-dependent diastereoselectivity in the [2+2] photocycloaddition (Paterno-Buchi reaction) of benzophenone to cis- and trans-cyclooctene through conformational control, J AM CHEM S, 123(10), 2001, pp. 2452-2453