dichroism (CD) spectra from the CD detector signal and the calculated CD spectrum of the (P) enantiomer. Mass spectrometry revealed that 3,3'‐dimethyl‐3H,3'H‐2,2'‐spirobi[[1,3]benzothiazole] can be viewed as a masked thiophenate attached to a benzothiazolium framework. Chirality 27:716–721, 2015. © 2015 Wiley Periodicals, Inc.
在
碘化N-甲基
苯并噻唑鎓生成的卡宾的二聚-氧化步骤中,获得了副产物标题化合物。(S,S)-螺帽O1色谱柱在冷却时显示出典型的平台形状色谱图,表明该色谱柱上的两种对映异构体之间发生了交换。热障到外消旋化被确定(85 kJ.mol -1在10℃下)通过动态高效
液相色谱法(
DHPLC)第一(的.The绝对构型中号)和第二洗脱(P上)的对映体(小号,S)-通过比较CD检测器信号中的重构圆二色性(CD)光谱和(P)对映体的CD光谱,建立了Ohl柱。质谱表明,3,3'-二甲基-3- ħ,3' ħ -2,2'-螺二[[1,3]
苯并噻唑]可作为掩蔽thiophenate附连到
苯并噻唑鎓框架观看。手性27:716–721,2015。©2015 Wiley Periodicals,Inc.