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Stacking of double bonds for photochemical [2+2] cycloaddition reactions in the solid state

2008; Royal Society of Chemistry; Issue: 42 Linguagem: Inglês

10.1039/b809136f

1364-548X

Mangayarkarasi Nagarathinam, Abdul Malik P. Peedikakkal, Jagadese J. Vittal,

Crystallography and molecular interactions

trans-1,2-Bis(4-pyridyl)ethylene (bpe), containing a CC bond, has been extensively studied for solid-state photochemical [2+2] cycloaddition reactions, in discrete molecular and metal complexes, hydrogen bonded and coordination polymeric structures. The challenges in orienting a pair or more of bpe molecules in the solid-state using crystal engineering principles, and their photochemical behaviour and implications, based on Schmidt's postulates, are discussed.