合成了一系列1,3-双磷酸D-甘油酸(1,3-BPG)1的构象限制类似物以用作抑制剂3-PGK(EC 2.7.2.3)。这些化合物具有非断裂性的膦酸酯键,并且还掺入了α-卤素取代基,使它们成为天然底物的等极性和等规模拟物。单环芳基两个磷酰基中心之间的核提供了连接这些部分和基因座的刚性框架,以供进一步取代。这些化合物针对人类3-PGK进行了测试,发现具有良好的竞争性抑制剂。α-氟的膦酸将对酶的亲和力提高到亚微摩尔范围。IC 50数据与p K a 3和p K a 4值的相关性表明,磷酰基的酸度对蛋白质 捆绑。
合成了一系列1,3-双磷酸D-甘油酸(1,3-BPG)1的构象限制类似物以用作抑制剂3-PGK(EC 2.7.2.3)。这些化合物具有非断裂性的膦酸酯键,并且还掺入了α-卤素取代基,使它们成为天然底物的等极性和等规模拟物。单环芳基两个磷酰基中心之间的核提供了连接这些部分和基因座的刚性框架,以供进一步取代。这些化合物针对人类3-PGK进行了测试,发现具有良好的竞争性抑制剂。α-氟的膦酸将对酶的亲和力提高到亚微摩尔范围。IC 50数据与p K a 3和p K a 4值的相关性表明,磷酰基的酸度对蛋白质 捆绑。
3-phosphoindole compounds for the treatment of retroviral infections, and particularly for HIV, are described. Also included are compositions comprising the 3-phosphoindole derivatives alone or in combination with one or more other anti-retroviral agents, processes for their preparation, and methods of manufacturing a medicament incorporating these compounds.
3-phosphoindole compounds for the treatment of retroviral infections, and particularly for HIV, are described. Also included are compositions comprising the 3-phosphoindole derivatives alone or in combination with one or more other anti-retroviral agents, processes for their preparation, and methods of manufacturing a medicament incorporating these compounds.
3-Phosphoindonle compounds for the treatment of retroviral infections, and particularly for HIV, are described. Also included are compositions comprising the 3-phosphoindole derivatives alone or in combination with one or more other anti-retroviral agents, processes for their preparation, and methods of manufacturing a medicament incorporating these compounds.
Protection and Deprotection of Acetals by Using MoO<sub>3</sub>/SiO<sub>2</sub>
作者:Rajesh S. Bhosale、Sidhanath V. Bhosale、Sheshanath V. Bhosale、Kuldeep S. Solanke、Rajendra P. Pawar、Harish S. Chougule、Mohan K. Dongare
DOI:10.1080/15459620500408868
日期:2006.3.1
Acetalization of aldehydes using a new silica-supported molybdenum(VI) oxide (20%) catalyst has been explored. Additionally, facile deprotection strategy for the acetals is reported including the results from the replacement of solvent studies. The protocol achieved the protection O,O-acetals in excellent yield within a few hours under neutral conditions and also deprotection of aromatic O,O-acetals in excellent yields was achieved within a few minutes in aqueous acetone.