Abstract

AbstractA rhodium‐catalyzed direct alkenylation of 1‐(methylthio)naphthalene has been developed using a thioether directing group. The reaction proceeds selectively at the peri‐position of the naphthalene ring with no competing ortho C−H activation. Both alkynes and alkenes can be used as the coupling counterparts. The alkenylated products with alkynes can be converted to benzo[de]thiochromenes by an iodine mediated cyclization method.

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