Stereoselectivity in the electrophile-promoted cyclizations of a hydroxyolefin derived from arabinose. Synthesis of a phosphonate isostere of β-(=D)-arabinose-1, 5-diphosphate
Stereoselectivity in the electrophile-mediated cyclization of 2,3,5-tri-O-benzyl-1,2-dideoxy-d-arabino-hex-1-enitol. A stereocontrolled synthesis of 1-amino-2,5-anhydro-3,4,6-tri-O-benzyl-1-deoxy-d-glucitol
作者:Fillmore Freeman、Kirk D. Robarge
DOI:10.1016/s0008-6215(00)90874-7
日期:1987.12
Abstract Cyclization of 2,3,5-tri-O-benzyl-1,2-dideoxy- d -arabino-hex-1-enitol (2) with mercuric acetate, mercuric trifluoroacetate, iodine, and N-bromosuccinimide gave preponderantly the allo isomer of the C-arabinofuranosyl structure. 1-Amino-2,5-anhydro-3,4,6-tri-O-benzyl-1-deoxy- d -glucitol, which is a key intermediate in the synthesis of 3-(β- d -arabinofuranosyl)pyrazole[4,3-d]pyrimidine-5