Conversion of alcohols into alkyl bromides and iodides via O-alkylisoureas
作者:Stephen P. Collingwood、Alan P. Davies、Bernard T. Golding
DOI:10.1016/s0040-4039(00)96534-1
日期:1987.1
Treatment of O-alkylisoureas with trifluoromethanesulphonic acid and a tetrabutylammonium salt (bromide or iodide) affords alkyl halides in high yields.
用三氟甲磺酸和四丁基铵盐(溴化物或碘化物)处理O-烷基异脲,可高产率地得到烷基卤化物。
Chin, Slow Khim; Golding, Bernard T.; Pierpoint, Colin, Journal of Chemical Research, Miniprint, 1985, # 3, p. 946 - 953
作者:Chin, Slow Khim、Golding, Bernard T.、Pierpoint, Colin
DOI:——
日期:——
CHIN, SIOW, KHIM;GOLDING, B. T.;PIERPOINT, C., J. CHEM. RES. SYNOP., 1985, N 3, 71
作者:CHIN, SIOW, KHIM、GOLDING, B. T.、PIERPOINT, C.
DOI:——
日期:——
COLLINGWOOD, STEPHEN P.;DAVIES, ALAN P.;GOLDING, BERNARD T., TETRAHEDRON LETT., 28,(1987) N 38, 4445-4448
作者:COLLINGWOOD, STEPHEN P.、DAVIES, ALAN P.、GOLDING, BERNARD T.
DOI:——
日期:——
1,3-Asymmetric induction in electrophilic addition onto homoallylsilanes. An approach towards the total synthesis of (+/−)-kumausyne
diastereoselectivities. With disubstituted homoallylsilanes, tetrahydrofurans having acyclic chiral centres were also obtained. An application of this methodology to an approach towards the totalsynthesis of (+/−)-kumausyne is proposed on the basis of these preliminary results. The four chiral centres of this marine natural product have been set up with excellent diastereoselectivities.