Technical Notes:
1.A highly enantios elective Michael addition of 2-hydroxy-1 ,4-naphthoquinone to ?-nitrostyrenes has been achieved using a novel class of sugar-cinchona thiourea conjugates.
References:
1. RSC Adv.. 2013. 3, 930-936.
Strem
(R)-3-(叔丁基)-4-(2,6-二异丙氧基苯基)-2,3-二氢苯并[d][1,3]氧磷杂环戊烷, (R)-3-(tert-Butyl)-4-(2,6-diisopropoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole
(S)-3-(叔丁基)-4-(2,6-二甲氧基苯基)-2,2-二甲基-2,3-二氢苯并[d][1,3]氧磷杂环戊烷, (S)-3-(tert-Butyl)-4-(2,6-dimethoxyphenyl)-2,2-dimethyl-2,3-dihydrobenzo[d][1,3]oxaphosphole
(三甲基)乙基环戊二烯铂(IV), (Trimethyl)ethylcyclopentadienylplatinum(IV)
二氯[rel- [N(S)]-N- [2-(二苯基膦基-κO)乙基] -2-[(R)-叔丁硫基-κS]乙胺-κN](三苯基膦)钌, Dichloro[rel-[N(S)]-N-[2-(diphenylphosphinyl-κO)ethyl]-2-[(R)-tert-butylthio-κS]ethanamine-κN](triphenylphosphine) ruthenium
N- [2-(二苯基膦基)乙基] -2-[(4-甲基苯基)硫代]-乙胺, N-[2-(Diphenylphosphinyl)ethyl]-2-[(4-methylphenyl)thio]-ethanamine
Tetrabutyphosphonium bromide
四正丁基溴化膦
[S(R)]-N-[(1R)-1- [2-(二苯基膦基)苯基] -2,2-二甲基丙基] -2-甲基-2-丙烷亚磺酰胺, [S(R)]-N-[(1R)-1-[2-(Diphenylphosphino)phenyl]-2,2-dimethylpropyl]-2-methyl-2-propanesulfinamide
Tetrabutylphosphonium chloride
四丁基氯化膦
三丁基乙基溴化膦, Tributyl(ethyl)phosphonium bromide
[S(R)]-N-[(1S)-1- [2-(9-蒽基)苯基] -2-(二苯基膦基)乙基] -N,2-二甲基-2-丙烷亚磺酰胺, [S(R)]-N-[(1S)-1-[2-(9-Anthracenyl)phenyl]-2-(diphenylphosphino)ethyl]-N,2-dimethyl-2-propanesulfinamide