title: A switch of reactivity profile in ionic intramolecular annulation reactions: a short and efficient synthesis of D-+-biotin.
authors.affiliation: Division of Organic Chemistry: Technology, National Chemical Laboratory, Pune 411 008, India. spchavan@dalton.ncl.res.in
authors.forename: S P
authors.initials: SP
authors.lastname: Chavan
authors.forename: R B
authors.initials: RB
authors.lastname: Tejwani
authors.forename: T
authors.initials: T
authors.lastname: Ravindranathan
mesh_terms: D001710:Biotin / Q000138:chemical synthesis*; D013237:Stereoisomerism
chemical_list: D001710:Biotin