57625-49-7Relevant academic research and scientific papers
Microwave-enhanced reactions under open and closed vessel conditions. A case study
Stadler, Alexander,Pichler, Sonja,Horeis, Gabriela,Kappe, C.Oliver
, p. 3177 - 3183 (2002)
Important differences have been observed when performing microwave-enhanced organic transformations, using open and closed vessel conditions. For the hydrolysis of benzamide with sulfuric acid in sealed vessels, where no volatile products are formed, no appreciable difference in reaction performance as a function of the filling volume of the vials or the reaction scale were detected. However, in the cyclocondensation of tetrahydroquinoline with substituted malonic esters, where 2equiv. of ethanol are formed, the outcome of the reaction under sealed vessel conditions is critically dependent on the scale of the reaction.
Palladium-catalyzed double C-H functionalization of 2-aryl-1,3-dicarbonyl compounds: A facile access to alkenylated benzopyrans
Choppakatla, Subrahmanyam,Dachepally, Aravind Kumar,Bollikolla, Hari Babu
supporting information, p. 2488 - 2491 (2016/05/24)
The present study reports the development of a palladium-catalyzed oxidative annulation/nucleophilic substitution sequence affording a library of alkenylated benzopyrans using 2-aryl-1,3-dicarbonyl compounds and allylic acetate. The process is compatible
Rapid microwave-enhanced synthesis of 4-hydroxyquinolinones under solvent-free conditions
Lange, Jos H.M.,Verveer, Peter C.,Osnabrug, Stefan J.M.,Visser, Geb M.
, p. 1367 - 1369 (2007/10/03)
3-Aryl-4-hydroxyquinolin-2(1H)-ones are potent and selective glycine-site NMDA receptor antagonists of pharmaceutical interest. A novel microwave-enhanced synthesis of such quinolinones under solvent-free conditions has been developed. The quinolinones ar
Heterocyclic Mesomeric Betaines. Part 6. Synthesis and a Cycloaddition of a Hetero Derivative of the 1-Methylenephenalene-3-methide Anion
Ollis, W. David,Stanforth, Stephen P.,Price, Barry J.
, p. 1501 - 1504 (2007/10/02)
Synthesis of the cross-conjugated heterocyclic mesomeric betaine 4 is reported.This mesomeric betaine 4 is isoconjugate with the odd alternant hydrocarbon anion 5 (R = Ph).Cycloaddition of the betaine 4 with dimethyl acetylenedicarboxylate yields the 1,4-
Synthesis of Benzofuranes by Cyclodehydrogenation of Phenylmalonyl Heterocyclic Compounds
Stadlbauer, Wolfgang,Schmut, Otto,Kappe, Thomas
, p. 1005 - 1014 (2007/10/02)
Phenylmalonyl heterocyclic compounds such as the quinolones 1a-c or 3, benzoquinolizinones 6a, b and the phenalenones 8a, b can be converted to benzofuranes (2a-c, 7a, b and 9a, b) by cyclodehydrogenation with Pd/C in boiling diphenyl ether. 2-Phenylchinc
