Results 31 to 40 of about 5,409,859 (340)
The catalytic enantioselective directed methylene C(sp 3 )-H amidation reactions of 8-alkylquinolines using a Cp*Rh III /chiral carboxylic acid (CCA) hybrid catalytic system is described.
Seiya Fukagawa+3 more
semanticscholar +1 more source
Indole-3-Carboxylic Acid Enhanced Anti-cancer Potency of Doxorubicin via Induction of Cellular Senescence in Colorectal Cells [PDF]
Background: Colorectal cancer (CRC) is the most common gastrointestinal malignancy. Doxorubicin (DOX) is a widely utilized chemotherapy drug, but its efficacy is limited due to dose-dependent toxicity.
Yao Zhou+4 more
doaj +1 more source
Facile synthesis of cooperative acid-base catalysts by clicking cysteine and cysteamine on an ethylene-bridged periodic mesoporous organosilica [PDF]
A periodic mesoporous organosilica (PMO) that contains ethylene bridges was functionalized to obtain a series of cooperative acid-base catalysts. A straightforward, single-step procedure was devised to immobilize cysteine and cysteamine on the support ...
Esquivel Merino, Maria Dolores+6 more
core +2 more sources
Bromopyrrole alkaloids from the caribbean sponge Agelas cerebrum
Bioguided fractionation of Agelas cerebrum crude extract resulted in isolation of four bromopyrrole and four bromopyrrole aminoimidazole alkaloids, identified as 5-bromopyrrole-2-carboxylic acid (1), 4-bromopyrrole-2-carboxylic acid (2), 3,4-bromopyrrole-
Erik L. Regalado+4 more
doaj +1 more source
Acrylic acid plasma coated 3D Scaffolds for Cartilage tissue engineering applications [PDF]
The current generation of tissue engineered additive manufactured scaffolds for cartilage repair shows high potential for growing adult cartilage tissue.
Cools, Pieter+6 more
core +2 more sources
Reported is an achiral Cpx RhIII /chiral carboxylic acid catalyzed asymmetric C-H alkylation of diarylmethanamines with a diazomalonate, followed by cyclization and decarboxylation to afford 1,4-dihydroisoquinolin-3(2H)-one. Secondary alkylamines as well
Luqing Lin+5 more
semanticscholar +1 more source
The role of salicylic acid, L-ascorbic acid and oxalic acid in promoting the oxidation of alkenes with H(2)O(2) catalysed by [Mn(IV) (2)(O)(3)(tmtacn)(2)](2+) [PDF]
The role played by the additives salicylic acid, L-ascorbic acid and oxalic acid in promoting the catalytic activity of [Mn(IV) (2)(O)(3)(tmtacn)(2)](PF(6))(2) {1(PF(6))(2), where tmtacn = N, N ', N ''-trimethyl-1,4,7-triazacyclononane} in the ...
Alsters, Paul L.+5 more
core +2 more sources
[1,4]Diazepino[2,3-h]quinolone carboxylic acid 3 and its benzo-homolog tetrahydroquino[7,8-b]benzodiazepine-3-carboxylic acid 5 were prepared via PPAcatalyzed thermal lactamization of the respective 8-amino-7-substituted-1,4-dihydroquinoline-3-carboxylic
Yusuf M. Al-Hiari+2 more
doaj +1 more source
Synthesis of biodegradable polyesteramides with pendant functional groups [PDF]
Morpholine-2,5-dione derivatives having substituents with benzyl-protected carboxylic acid, benzyloxycarbonyl-protected amine and p-methoxy-protected thiol groups, respectively, were prepared in 29-58% yield by cyclization of the corresponding N-[(2RS ...
Dijkstra, Pieter J.+2 more
core +3 more sources
DSSC Anchoring Groups: A Surface Dependent Decision [PDF]
Electrodes in dye sensitised solar cells (DSSCs) are typically nanocrystalline anatase TiO2 with a majority (101) surface exposed. Generally the sensitising dye employs a carboxylic anchoring moiety through which it adheres to the TiO2 surface.
Bowler, David R., O'Rourke, Conn
core +2 more sources