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13C nuclear magnetic resonance spectroscopy and lifetime studies of the solution photoreactivity of 1,4-bis(β-pyridyl-2-vinyl)benzene and 2,5-distyrylpyrazine

✍ Scribed by E.M. Ebeid; S.H. Kandil

Publisher
Elsevier Science
Year
1986
Weight
458 KB
Volume
32
Category
Article
ISSN
0047-2670

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## Abstract The results of a ^13^C NMR spectral investigation involving 5,6‐dihydro‐1,4‐oxathiins, 1,4‐tetrahydro[9,10]benzoxathiin, __trans__‐tetrahydro‐1,4‐benzoxathiin, and the corresponding sulfoxides and sulfones are reported. An interpretation involving a dipolar structure with (2__p__→2__p__