Oxygen-substituted allyl cations as dienophiles

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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549369, 549453, 549460, 568374, 568377, 568445, 568446, 568591, C07C 3712

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048473928

ABSTRACT:
A method of conducting a Diels-Alder reaction is provided comprising reacting a Diels-Alder diene comprising a 1,3-conjugated diene with a dienophile comprising an alpha,beta-unsaturated acetal or ketal in the presence of a protonating acid to yield a [4+2] cycloadduct.

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