Boron trifluoride as a promoter and fluoride donor in the aldol reaction of trans alpha,beta-epoxyaldehydes. Access to 5-and 6-fluoro heptulosonic ester analogues
Y. Ruland et al., Boron trifluoride as a promoter and fluoride donor in the aldol reaction of trans alpha,beta-epoxyaldehydes. Access to 5-and 6-fluoro heptulosonic ester analogues, TETRAHEDR L, 40(41), 1999, pp. 7323-7327
A direct synthesis of 5- and 6-fluoro heptulosonic esters is achieved by re
action of trans alpha,beta-epoxyaldehydes with 2-(trimethylsilyloxy)acrylat
e in presence of BF3. Et2O. (C) 1999 Elsevier Science Ltd. All rights reser
ved.