Results 31 to 40 of about 32,802 (321)
Carbazoles: Role and Functions in Fighting Diabetes
Applied Sciences, 2022 Carbazole derivatives have gained a lot of attention in medicinal chemistry over the last few decades due to their wide range of biological and pharmacological properties, including antibacterial, antitumor, antioxidant, and anti-inflammatory activities.
Fedora Grande +6 more
doaj +1 more source
Synthesis of highly substituted diphenylacetamides and diphenylsulfonamides by the goldberg coupling reaction [PDF]
, 2000 We report the synthesis and characterisation of multisubstituted diphenylacetamides, diphenylsulfonamides and diphenylamines (and some observations on cyclisation of the last).Fundação para a Ciência e a Tecnologia (FCT)ICCTI and CRUP (Portugal) and the ...
Campos, Ana M. F. Oliveira +3 more
core +1 more source
Carbazole-Based Colorimetric Anion Sensors [PDF]
Molecules, 2021 Endowed with strong carbazole chromophore and fluorophore as well as with powerful and convergent hydrogen bond donors, 1,8-diaminocarbazoles are amongst the most attractive and synthetically versatile building blocks for the construction of anion receptors, sensors and transporters.
Krystyna Maslowska-Jarzyna +3 more
openaire +4 more sources
Molecules, 2022 The development of a Lewis acid-catalyzed, intramolecular ring-opening benzannulation of 5-(indolyl)2,3-dihydrofuran acetals is described. The resulting 1-hydroxycarbazole-2-carboxylates are formed in up to 90% yield in 1 h.
Shaoren Yuan +4 more
doaj +1 more source
Electrosynthesis of 2,7-linked polycarbazole derivatives to realize low-bandgap electroactive polymers [PDF]
, 2010 Poly(2,7-carbazole) derivatives have been synthesized because they have more extended conjugation lengths and lower energy bandgaps than poly(3,6-carbazole)s; however, few studies regarding electrochemical synthesis of poly(2,7-carbazole)s have been ...
Goto Hiromasa +2 more
core +1 more source
Frontiers in Materials, 2019 Polycarbazole and its derivatives have advantages of good environmental stability, electrochromic properties and photoconductivity which have attracted considerable attention because of their potential industrial applications in electroluminescent ...
Emmanuel Contal +5 more
doaj +1 more source
Alternative products to carbazoles in the oxidation of diphenylamines with palladium (II) acetate [PDF]
, 1997 Although simple diphenylamines are conveniently oxidised with Palladium (II) acetate to give carbazoles, for more complex examples, carbazoles are minor products amongst many.CRUP (Portugal). British Council - Treaty of Windsor Programme.
Campos, Ana M. F. Oliveira +2 more
core +1 more source
Beilstein Journal of Organic Chemistry, 2017 A new general approach to double nitration of 6,12-di(hetero)aryl-substituted and 6,12-unsubstituted 5,11-dialkyl-5,11-dihydroindolo[3,2-b]carbazoles by acetyl nitrate has been developed to obtain their 2,8-dinitro and 6,12-dinitro derivatives ...
Roman A. Irgashev +3 more
doaj +1 more source
Cytotoxic Constituents from the Stems of Clausena lansium (Lour.) Skeels
Molecules, 2013 Six compounds were isolated from the stems of Clausena lansium (Lour.) Skeels by repeated sillica gel column chromatography. Their chemical structures were elucidated on the basic of physicochemical and spectroscopic data.
Shu Shan Du +9 more
doaj +1 more source
A Sm(II)-mediated cascade approach to Dibenzoindolo[3,2-b]carbazoles:synthesis and evaluation [PDF]
, 2014 Previously unstudied dibenzoindolo[3,2-b]carbazoles have been prepared by two-directional, phase tag-assisted synthesis utilizing a connective-Pummerer cyclization and a SmI2-mediated tag cleavage-cyclization cascade.
Dai, Sheng-Yao +7 more
core +1 more source