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Catalytic [2 + 2 + 2] cycloaddition of benzothiophene dioxides with alpha,omega-diynes for the synthesis of condensed polycyclic compounds
A Rh-catalyzed intermolecular [2 + 2 + 2] cycloaddition of the 2,3-double bond of benzothiophene dioxides with alpha,omega-diynes gave sulfone-containing cycloadducts in high yields. This is the first example of a catalytic [2 + 2 + 2] cycloaddition that uses the 2,3-double bond of a heterole as an ene moiety. The consecutive reaction of benzodithiophene tetraoxide with 2,3-naphthylene-tethered 1,7-diyne gave an 11-ring condensed polycyclic compound in one pot.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Recommanded Product: 4923-87-9, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 4923-87-9, in my other articles.
Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem