Employed in a rhodium-catalyzed [3+2] annulation with alkynes leading to substituted indenones - Org. Lett. 7, 3339, (2005); Useful in the synthesis of substitutes indenones or indanones - Miura, Tomoya; Murakami, Masahiro Org. Lett. 7, 3339-3341, (2005)
