Photochemical addition of secondary alcohols to maleimides

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Muhammed A. S. Al-Amoudi and John M. Vernon


Abstract

Under UV irradiation, propan-2-ol adds to the C[double bond, length half m-dash]C bond of maleimides 4 to give 2-(1-hydroxy-1-methylethyl)succinimides 5 in 25–70% yield. Cyclohexanol adds in the same way to give 2-(1-hydroxycyclohexyl)succinimides 6. Several trace by-products are identified by GC-MS analysis and their formation accounted for.


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