title: Indium trichloride mediated intramolecular Prins-type cyclization.
abstract: [reaction: see text] Intramolecular Prins-type reactions of compounds having both functionalities of homoallyl alcohol and acetal moiety are described. The intramolecular Prins cyclizations were performed using indium trichloride in chloroform or 25% aqueous THF. Both 9-oxabicyclo[3.3.1]nonane and 3,9-dioxabicyclo[3.3.1]nonane compounds were successfully obtained in moderate yields.
authors.affiliation: Biochemicals Research Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Korea. ys4049@kist.re.kr
authors.forename: Yong Seo
authors.initials: YS
authors.lastname: Cho
authors.forename: Hye Yeon
authors.initials: HY
authors.lastname: Kim
authors.forename: Joo Hwan
authors.initials: JH
authors.lastname: Cha
authors.forename: Ae Nim
authors.initials: AN
authors.lastname: Pae
authors.forename: Hun Yeong
authors.initials: HY
authors.lastname: Koh
authors.forename: Jung Hoon
authors.initials: JH
authors.lastname: Choi
authors.forename: Moon Ho
authors.initials: MH
authors.lastname: Chang