Selective Formation of trans/threo/cis and cis/threo/cis Bis-tetrahydrofurans from the Same Diene Diols. -(FUJIOKA*, H.; OKI, T.; HAYASHI, T.; YAMAKAWA, M.; KURACHI, T.; NAKAHARA, K.; MAEHATA, R.; HAMADA, T.; MURAI, K.; KITA, Y.; Heterocycles 88 (2014) 2, Special Issue, 1323-1336, http://dx.doi.org/10.3987/COM-13-S(S)102 ; Grad. Sch. Pharm. Sci., Osaka Univ., Suita, Osaka 565-0871, Japan; Eng.) -R. Staver 23-124