Bis[(para-methoxy)benzyl] phosphonate prodrugs with improved stability and enhanced cell penetration
摘要:
A series of substituted bis[(para-methoxy)benzyl] (bisPMB) esters of 1-naphthalenemethylphosphonate (NMPA) were synthesized and evaluated as phosphonate prodrugs. BisPMB NMPA esters (4b and 4c) with significantly improved aqueous stability were identified that also resulted in increased intracellular levels of NMPA following prodrug incubation with primary rat hepatocytes. (c) 2007 Elsevier Ltd. All rights reserved.
The present disclosure relates to 1- or 2-(4-(aryloxy)-phenyl)ethylamino-, oxy- or sulfanyl)pteridines and 1- or 2-(4-(heteroaryloxy)-phenyl)ethylamino-, oxy- or sulfanyl)pteridines and their use as agrochemicals and animal health products.
[EN] PTERIDINES AND THEIR USE AS AGROCHEMICALS<br/>[FR] PTÉRIDINES ET LEUR UTILISATION COMME PRODUITS AGROCHIMIQUES
申请人:DOW AGROSCIENCES LLC
公开号:WO2011025505A1
公开(公告)日:2011-03-03
The present disclosure relates to 1- or 2-(4-(aryloxy)-phenyl)ethylamino-, oxy- or sulfanyl)pteridines and 1- or 2-(4-(heteroaryloxy)-phenyl)ethylamino-, oxy- or sulfanyl)pteridines and their use as agrochemicals and animal health products.
Selective catalytic synthesis of α-alkylated ketones and β-alkylated secondary alcohols <i>via</i> hydrogen-borrowing
作者:Md. Bakibillah、Sahin Reja、Kaushik Sarkar、Deboshmita Mukherjee、Rajesh Kumar Das
DOI:10.1039/d3nj02295a
日期:——
were shown to be efficient catalysts for α-alkylation of ketones and β-alkylation of secondary alcohols with primary alcohols in the presence of a catalytic amount of the Cp*Ir(III) catalyst and tBuOK in toluene at 110 °C via hydrogen-borrowing and produced substituted ketone products in good to excellent yields. This new C–C bond-formingreaction needs very small amounts of catalyst and base and produces
制备了由吡啶甲酰胺基部分支持的一组三种Ir-( III )配合物。这些络合物被证明是酮的 α-烷基化和仲醇与伯醇的 β-烷基化的有效催化剂,在催化量的 Cp*Ir( III ) 催化剂和t BuOK 的存在下,在甲苯中于 110 °C下通过借氢并以良好至优异的产率生产取代酮产品。这种新的 C-C 键形成反应需要非常少量的催化剂和碱,并且仅产生 H 2 O 作为副产物,使其成为一种有吸引力且环保的方案,可实现酮衍生物的“绿色”合成。