流动微反应器技术的最新发展允许使用间歇式反应器无法实现的瞬态有机锂化合物。然而,在“卤素舞蹈”中捕获瞬态芳基锂仍然具有挑战性。本文报道了通过使用卤化锌二胺配合物开发微调的原位锌化,在间歇反应器中捕获这种短寿命的唑基锂。The reaction rate is controlled by the appropriate choice of diamine ligand. 该反应操作简单,可在 0 °C 下进行,在多克规模上具有高重现性。该方法适用于广泛的溴化唑,允许去质子功能化,用于生物活性唑的两种结构异构体的简明发散合成。
Copper/α-Ketocarboxylate Chemistry With Supporting Peralkylated Diamines: Reactivity of Copper(I) Complexes and Dicopper−Oxygen Intermediates
作者:Aalo K. Gupta、William B. Tolman
DOI:10.1021/ic100032n
日期:2010.4.5
present. Spectroscopic and conductivity data are consistent with mechanistic postulates involving displacement of the α-ketocarboxylate by the additives to a small extent, followed by oxygenation of the LCu(I) moiety to yield copper−oxygen species that subsequently induce decarboxylation. To test these hypotheses, spectroscopic and kineticstudies of the reactions of Bu4NBF with preformed μ-η2:η2-peroxodicopper(II)
A macrolide compound represented by the formula (I) effective against erythromycin resistant bacteria (for example, resistant pneumococci, streptococci and mycoplasmas).
Recent developments in flow microreactor technology have allowed the use of transient organolithium compounds that cannot be realized in a batch reactor. However, trapping the transient aryllithiums in a “halogen dance” is still challenging. Herein is reported the trapping of such short-lived azolyllithiums in a batch reactor by developing a finely tuned in situ zincation using zinc halide diamine
流动微反应器技术的最新发展允许使用间歇式反应器无法实现的瞬态有机锂化合物。然而,在“卤素舞蹈”中捕获瞬态芳基锂仍然具有挑战性。本文报道了通过使用卤化锌二胺配合物开发微调的原位锌化,在间歇反应器中捕获这种短寿命的唑基锂。The reaction rate is controlled by the appropriate choice of diamine ligand. 该反应操作简单,可在 0 °C 下进行,在多克规模上具有高重现性。该方法适用于广泛的溴化唑,允许去质子功能化,用于生物活性唑的两种结构异构体的简明发散合成。