Glass-catalyzed conversion of boronic esters of asymmetric diols to diol sulfites and amine complexes of boron halides
DS Matteson, WC Hiscox, L Fabry-Asztalos…
文献索引:Matteson, Donald S.; Hiscox, William C.; Fabry-Asztalos, Levente; Kim, Gyung-Youn; Siems III, William F. Organometallics, 2001 , vol. 20, # 13 p. 2920 - 2923
Sterically hindered boronic esters of (R,R)-1,2-dicyclohexyl-1,2-ethanediol or pinanediol react with thionyl chloride and excess imidazole in acetonitrile on a borosilicate glass surface (but not on silica or soda-lime glass) to form the corresponding cyclic sulfite of the diol and the ...