Tetrahedron Letters p. 1869 - 1872 (1987)
Update date:2022-08-05
Topics:
Schwack, Wolfgang
N-Substituted phthalimides (R= -SCCl3, -CH3, phenyl) reacted with cyclohexene on irradiation at λ> 280 nm by way of para-cycloaddition, yielding N-substituted tricyclo(4.2.2.0)dodeca-8,11-diene-9,10-dicarboximides.The N-(trichloromethylthio)phthalimide gave the cycloadduct as by-product, while for N-methyl- and N-phenylphthalimide the para-cycloaddition predominated.
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(1988)
