A fac-Ir (ppy) 3-catalyzed intermolecular dearomative cyclization of 2-bromo-2-((5-
bromofuran-2-yl) methyl) malonate and alkynes affording substituted spirolactones in yields …

A visible-light-induced photocatalytic intermolecular dearomative cyclization of 2-bromo-1, 3-
dicarbonyl compounds and alkynes afforded biologically important spirocarbocycle …

A highly efficient ortho-dearomative cyclization reaction between alkynes and 2-bromo-2-(2-
methoxybenzyl) malonate via visible light-induced photoredox catalysis has been reported …

A visible-light-driven regioselective dearomative cyclization between 2-benzyl-2-
bromomalonate and alkynes under mild conditions leading to the formation of spiro [4, 5] …

Described herein is a redox-neutral intramolecular dearomative spirocyclization induced by
visible light. The photochemical cyclization was catalyzed by a phenolate anion-derived …

Visible light-induced intramolecular dearomative cyclization of α-bromo- N -benzyl-alkylamides:
efficient construction of 2-azaspiro[4.5]decanes - Chemical Communications (RSC Publishing) …

The cleavage of an unactivated aryl nitro group triggered by alkyl radicals enables a
dearomative cyclization, affording diversified alkylated spiro [5.5] trienones in good yields …

Photo-mediated radical dearomatization involving 5-exo-trig cyclizations has proven to be
an important route to accessing spirocyclic compounds, whereas 6-exo-trig spirocyclization …

A visible-light-induced spirocyclizative hydroarylation via reductive dearomatization of a
series of non-activated arenes including 2-phenyl indoles and naphthalene derivatives …

In recent years, spirocyclic compounds have attracted a significant interest in medicinal
chemistry due to their considerable biological activities. The general and widely used …