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Publications | Special issue | Vol 61, No. 1, 2003, pp.281-286
Published online, 25th August, 2003
DOI: 10.3987/COM-03-S36
Reactions of Naphtho[b]cyclopropene with Isothiocyanate Derivatives to Give [2π + 2σ] Type Cycloadducts Using the Thiocarbonyl Moieties as 2π Components

Katsuhiro Saito,* Satoshi Hagari, Naoko Ito, Tomoko Kuriyama, Katsuhiko Ono, and Masakazu Ohkita

*Department of Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan


Thermal reactions of naphtho[b]cyclopropene with isothiocyanate derivatives afforded [2π + 2σ] type cycloadducts using the thiocarbonyl moieties as 2π components in moderate yields. The product yields were promoted by the use of a catalytic amount of Yb(fod)3. The structures of the products were determined by a single crystal X-Ray analysis.