Discovery of potent and orally active MTP inhibitors as potential anti-obesity agents
摘要:
We have successfully identified a number of novel MTP inhibitors with single digit nanomolar potency. Analogues 10aq and 10dq demonstrated in vivo efficacy in a murine gut retention assay. (c) 2006 Elsevier Ltd. All rights reserved.
Protecting-Group-Free Amidation of Amino Acids using Lewis Acid Catalysts
作者:Marco T. Sabatini、Valerija Karaluka、Rachel M. Lanigan、Lee T. Boulton、Matthew Badland、Tom D. Sheppard
DOI:10.1002/chem.201800372
日期:2018.5.11
Amidation of unprotected aminoacids has been investigated using a variety of ‘classical“ coupling reagents, stoichiometric or catalytic group(IV) metal salts, and boron Lewis acids. The scope of the reaction was explored through the attempted synthesis of amides derived from twenty natural, and several unnatural, aminoacids, as well as a wide selection of primary and secondary amines. The study also
Synthesis and Evaluation of Pseudopeptidic Fluorescence pH Probes for Acidic Cellular Organelles: In Vivo Monitoring of Bacterial Phagocytosis by Multiparametric Flow Cytometry
作者:M. Isabel Burguete、Francisco Galindo、M. Angeles Izquierdo、José-Enrique O'Connor、Guadalupe Herrera、Santiago V. Luis、Laura Vigara
DOI:10.1002/ejoc.201000854
日期:2010.11
applications of this family of probes, macrocyclic pseudopeptide 2 was used to monitor the phagocytosis of a culture of GFP-labelled bacteria by human monocytic cells U937 using flowcytometry as the analytical tool. It was found that the occurrence of bacterial killing was concomitant with the production of reactive oxygen species and a drop in pH, the latter monitored indirectly by macrocyclic sensor
合成了一类新的荧光蒽 pH 探针,并对其进行了化学表征,并通过稳态和时间分辨荧光光谱研究了它们的光物理特性。已经在溶液中研究了这些化合物监测 pH 值的能力,并且发现分子 1-12 可以充当 4.6 和 6.5 范围内 pH 值的荧光传感器。该范围对应于描述了有限数量探针的细胞中酸性细胞器的 pH 值(pH 4.5-6.0)。每个传感器的酸碱行为略有不同,具体取决于分子中存在的胺附近的取代基的性质。Thus, the pK a of this family of compounds can be finely tuned by the appropriate selection of the synthetic building blocks at the design stage. 为了测试该探针家族的潜在诊断应用,使用流式细胞术作为分析工具,使用大环假肽 2 来监测人类单核细胞 U937
Discovery of potent and orally active MTP inhibitors as potential anti-obesity agents
作者:Jin Li、Peter Bertinato、Hengmiao Cheng、Bridget M. Cole、Brian S. Bronk、Burton H. Jaynes、Anne Hickman、Michelle L. Haven、Nicole L. Kolosko、Chris J. Barry、Tara B. Manion
DOI:10.1016/j.bmcl.2006.02.058
日期:2006.6
We have successfully identified a number of novel MTP inhibitors with single digit nanomolar potency. Analogues 10aq and 10dq demonstrated in vivo efficacy in a murine gut retention assay. (c) 2006 Elsevier Ltd. All rights reserved.
Organocatalyzed Highly Enantioselective Michael Additions of Malonates to Enones by Using Novel Primary-Secondary Diamine Catalysts