Nucleophilic Addition Reactions of 1,5-Anhydro-4,6-O-benzylidene-2,3-dideoxy-3-C-nitro-D-erythro-hex-2-enitol and Its 5a-Carba Derivative.--(SETA, A.; ITO, S.; TOKUDA, K.; TAMURA, T.; KONDA, Y.; SAKAKIBARA, T.; Carbohydr. Res. 267 (1995) 2, 217-226; Dep. Chem., Yokohama City Univ., Kanazawa, Yokohama 236, Japan; EN)