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Relevant academic research and scientific papers

Transition metal-free synthesis of sterically hindered allylarenes from 5-hexene-2-one

A simple, efficient and transition metal-free strategy was established for the synthesis of highly functionalized, sterically hindered allylarenes (6, 7 & 8) by base-mediated ring transformation of 2-oxo-6-aryl-4-(methylthio/sec-amino)-2H-pyran-3-carbonit

Synthesis of substituted 2H-benzo[e]indazole-9-carboxylate as a potent antihyperglycemic agent that may act through IRS-1, Akt and GSK-3β pathways

Based on high throughput screening of our chemical library, we identified two 4,5-dihydro-2H-benzo[e]indazole derivatives (5d and 5g), which displayed a significant effect on glucose uptake in L6 skeletal muscle cells. Based on these lead molecules, a ser

Synthesis, electrochemical and optical properties of stable yellow fluorescent fluoranthenes

Figure presented A novel series of thermally stable yellow light emitting fluoranthenes with an amine donor and a nitrile acceptor was prepared from a ketene-S,S-acetal under mild conditions without using an organometal catalyst. The organic light emitting device of yellow fluoranthene 10b exhibited substantially low turn-on voltage (2.6 V) and maximum brightness of 470 Cd/m2 with luminance efficiency of 2.0 Cd/A without using any dopant.

Substituent directed regioselective synthesis of 2-oxonicotonic acids and methyl nicotinates

An innovative synthesis of aryl tethered 1,2-dihydro-2-oxopyridine-3-carboxylic acids has been developed through nucleophile induced ring transformation of methyl 6-aryl-4-methylsulfanyl-2H-pyran-2-one-3-carboxylates using either cyanamide or arylamidine

Synthesis of arylated highly congested indans using a domino sequence

A novel and efficient regioselective synthesis of various arylated highly congested 7-aryl-5-methylsulfanylindan-4-carbonitriles (3a-f), methyl 7-aryl-5-methylsulfanylindan-4-carboxylates (10a-e) and 7-aryl-5-methylsulfanylindan-4-carboxylic acids (11a-e)

Acetyltrimethylsilane: A novel reagent for the transformation of 2H-pyran-2-ones to unsymmetrical biaryls

An expeditious synthesis of unsymmetrical biaryls functionalized with electron-withdrawing or -donating substituents is described and illustrated by carbanion-induced ring transformation of 2H-pyran-2-one using acetyltrimethylsilane (ATMS) as a novel reag

A vicarious synthesis of unsymmetrical meta- and para- terphenyls from 2H-pyran-2-ones

An innovative synthesis of terphenyls functionalized with electron-withdrawing or -donating substituents is described and illustrated by carbanion-induced ring transformation of 2H-pyran-2-ones with 2-methoxyacetophenone in excellent yields. The existing

Functionalized 1,3-teraryls as a new class of hepatoprotectants: Part V

Functionalized 1,3-teraryls, synthesized through ring transformation of 6-aryl-3-carbomethoxy-4-methylthio-2H-pyran-2-one from arylketone have been screened for their hepatoprotective activity and some of them have demonstrated significant protection in animal model.

Synthesis and Reaction of 6-Substituted 3-Methoxycarbonyl-4-methylthio-2H-pyran-2-one Derivatives

Reaction of aryl and styryl methyl ketones 1a-m with dimethyl bis(methylthio)methylenemalonate (2) in the presence of potassium hydroxide in dimethyl sulfoxide gave the corresponding methyl 6-aryl- and 6-styryl-4-methylthio-2-oxo-2H-pyran-3-carboxylates 3