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Synthesis of the spirosuccinimide derivative of (+)-hydantocidin 2 is reported. The key step is a SnCl 4 -promoted C-glycosidation of the protected D-psicose 3 with allyltrimethlsilane in dichloromethane, which proceeded in good yield and high selectivity; however, C-glycosidation of 3 in acetonitrile afforded the spirooxazoline 6. Synthesis of 2 was achieved in 13% overall yield from3 .