Journal of Chemical Research

Ytterbium (III) triflate catalysed [3+ 2] cycloaddition involving isothiocyanates and epichlorohydrin

Y Xie, X Chen, W Su

Index: Xie, Yuanyuan; Chen, Xiaodong; Su, Weike Journal of Chemical Research, 2009 , # 2 p. 129 - 132

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Abstract

Epoxides are useful intermediates in organic synthesis because of their easy accessibility and high reactivity. A number of syntheses of fiveYmembered heterocycles from epoxides have been reported in the literature.1-4 Baba et al.4 have reported the cycloaddition of epoxides with heterocumulenes promoted by high-coordinated trialkyltin complexes, whilst Shibata et al.3 have reported the same reactions using organotin iodine-Lewis base complexes as catalysts. We have reported ...