开发了一种实用且高产的施密特反应,用于从胆汁酸前体合成稠合四唑。使用 TMSN 3代替叠氮酸作为叠氮源的温和反应条件产生了所需四唑的良好产率。这些条件可以应用于其他甾体前体。此外,还建立了一种用于从胆酸、脱氧胆酸和鹅去氧胆酸合成不同酮和烯酮前体的改进方法。新获得的四唑衍生物通过核磁共振和 X 射线衍射光谱进行了表征。在许多情况下,新化合物的初步抗增殖试验显示出对某些肿瘤细胞系的强选择性活性。
Enzymatic synthesis of bile acid derivatives and biological evaluation against Trypanosoma cruzi
作者:Guadalupe García Liñares、M. Antonela Zígolo、Leandro Simonetti、Silvia A. Longhi、Alicia Baldessari
DOI:10.1016/j.bmc.2015.05.035
日期:2015.8
22.8 μM, respectively. In addition, in order to shed light to bileacids behavior in enzymatic reactions, molecular modeling was applied to some derivatives. The advantages showed by the enzymatic methodology, such as mild reaction conditions and low environmental impact, make the biocatalysis a convenient way to synthesize these bileacid derivatives with application as potential antiparasitic agents
Synthesis of new bile acid-fused tetrazoles using the Schmidt reaction
作者:Dušan Đ Škorić、Olivera R Klisurić、Dimitar S Jakimov、Marija N Sakač、János J Csanádi
DOI:10.3762/bjoc.17.174
日期:——
practical and high-yielding Schmidt reaction for the synthesis of fused tetrazoles from bile acid precursors was developed. Mild reaction conditions using TMSN3 instead of hydrazoic acid as an azide source produced good yields of the desired tetrazoles. These conditions could be applied to other steroidal precursors. Additionally, an improved methodology for the synthesis of different ketone and enone precursors
开发了一种实用且高产的施密特反应,用于从胆汁酸前体合成稠合四唑。使用 TMSN 3代替叠氮酸作为叠氮源的温和反应条件产生了所需四唑的良好产率。这些条件可以应用于其他甾体前体。此外,还建立了一种用于从胆酸、脱氧胆酸和鹅去氧胆酸合成不同酮和烯酮前体的改进方法。新获得的四唑衍生物通过核磁共振和 X 射线衍射光谱进行了表征。在许多情况下,新化合物的初步抗增殖试验显示出对某些肿瘤细胞系的强选择性活性。