Compositions for Treatment of Cystic Fibrosis and Other Chronic Diseases
申请人:Vertex Pharmaceuticals Incorporated
公开号:US20150231142A1
公开(公告)日:2015-08-20
The present invention relates to pharmaceutical compositions comprising an inhibitor of epithelial sodium channel activity in combination with at least one ABC Transporter modulator compound of Formula A, Formula B, Formula C, or Formula D. The invention also relates to pharmaceutical formulations thereof, and to methods of using such compositions in the treatment of CFTR mediated diseases, particularly cystic fibrosis using the pharmaceutical combination compositions.
Controllable Intramolecular Unactivated C(sp3)-H Amination and Oxygenation of Carbamates
作者:Qihang Guo、Xiang Ren、Zhan Lu
DOI:10.1021/acs.orglett.8b03299
日期:2019.2.15
catalyst-controlled intramolecular unactivated C(sp3)-H amination and oxygenation of carbamates merging visible-light photocatalysis and earth-abundant transition metal catalysis have been reported. Useful amino alcohol and diol derivatives could be selectively obtained from readily available tertiary alcohol derivatives. The possible mechanisms have been proposed via a 1,5-HAT process followed by Lewis acid-controlled
COMPOSITIONS FOR TREATMENT OF CYSTIC FIBROSIS AND OTHER CHRONIC DISEASES
申请人:Van Goor Fredrick F.
公开号:US20110098311A1
公开(公告)日:2011-04-28
The present invention relates to pharmaceutical compositions comprising an inhibitor of epithelial sodium channel activity in combination with at least one ABC Transporter modulator compound of Formula A, Formula B, Formula C, or Formula D. The invention also relates to pharmaceutical formulations thereof, and to methods of using such compositions in the treatment of CFTR mediated diseases, particularly cystic fibrosis using the pharmaceutical combination compositions.
A magnesium-catalyzed regiodivergent C–Obond cleavage protocol is presented. Readily available magnesium catalysts achieve the selective hydroboration of a wide range of epoxides and oxetanes yielding secondary and tertiary alcohols in excellent yields and regioselectivities. Experimental mechanistic investigations and DFT calculations provide insight into the unexpected regiodivergence and explain
Radical Dehydroxylative Alkylation of Tertiary Alcohols by Ti Catalysis
作者:Hao Xie、Jiandong Guo、Yu-Quan Wang、Ke Wang、Peng Guo、Pei-Feng Su、Xiaotai Wang、Xing-Zhong Shu
DOI:10.1021/jacs.0c07492
日期:2020.9.30
coupling partners, including allylic carboxylates, aryl and vinyl electrophiles, and primary alkyl chlorides/bromides, making the method complementary to the cross-coupling procedures. The method is highlyselective for the alkylation of tertiary alcohols, leaving secondary/primary alcohols (benzyl alcohols included) and phenols intact. The synthetic utility of the method is highlighted by its 10-gram-scale
醇的脱氧自由基 CC 键形成反应是合成化学中长期存在的挑战,目前的方法依赖于多步骤程序。在此,我们报告了叔醇的直接脱羟基自由基烷基化反应。这一新协议显示了从醇类中生成叔碳自由基的可行性,并为轻松精确地构建全碳四元中心提供了一种方法。该反应在醇和活化烯烃的广泛底物范围内进行。它可以耐受各种亲电偶联伙伴,包括烯丙基羧酸盐、芳基和乙烯基亲电试剂以及伯烷基氯/溴化物,使该方法与交叉偶联程序形成互补。该方法对叔醇的烷基化具有高度选择性,保持仲醇/伯醇(包括苯甲醇)和酚类完好无损。该方法的合成效用因其 10 克规模的反应和复杂分子的后期修饰而突出。实验和 DFT 计算的组合建立了一个合理的机制,暗示通过 Ti 催化的 C-OH 键均裂产生叔碳自由基。