observed reflections with I > 2σ(I). We then used the chiral α-ethylphenylamine tartaric acid salts as catalysts in the cyanosilylation of prochiral ketones, and moderate conversions were obtained. Graphical Abstract The crystal structure of a chiral α-phenylethylamine tartaric acid salt, and novel application to the cyanosilylation of prochiral ketones Chiral α-ethylphenylamine tartaric acid salts were synthesized
摘要 通过与手性
酒石酸直接反应由α-
乙基苯胺合成手性α-
乙基苯胺
酒石酸盐。测定了S -(-)-α-
乙基苯胺-(2 R,3 R)-(-)-二羟基
丁二酸的晶体结构。晶体为单斜晶体,空间群P 2 1 / n ,a = 6.331(5)Å,b = 14.209(11)Å,c = 7.495(6)Å,α =90.00º,β = 107.000 (13) º,γ =90.00º,λ = 0.7103Ǻ,V = 644.7(9),Z = 2,D c =1.397克/厘米3,中号 [R = 271.27和˚F(000)= 288,[R = 0.0477,ω - [R = 0.0838为1388层观察到的反射与我 >2σ(我)。然后,我们将手性α-
乙基苯胺
酒石酸盐用作前手性酮
氰基甲
硅烷基化反应的催化剂,并获得了中等转化率。 图形概要 手性α-苯基
乙胺酒石酸盐的晶体结构及其在手性酮
氰基