title: Synthesis of cyclopentitols by ring-closing approaches.
authors.affiliation: Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev str., bl. 9, 1113 Sofia, Bulgaria. vkurteva@orgchm.bas.bg
authors.forename: Vanya B
authors.initials: VB
authors.lastname: Kurteva
authors.forename: Carlos A M
authors.initials: CA
authors.lastname: Afonso