A novel three-component reaction of o-bromobenzaldehyde, terminal alkynes and tert-butyl amine has been established, which proceeded smoothly to give 3-substituted isoquinolines in good yields in the presence of palladium/copper catalysts under microwave irradiation.doi:10.1002/cjoc.201100560...
ChinaAnovelthree—componentreactionofo—bromobenzaldehyde,terminalalkyliesandtert—butylaminehasbeenes—tablished,whichproceededsmoothlytogive3-substitutedisoquinolinesingoodyieldsinthepresenceofpalla—dium/coppercatalystsundermicrowaveirradiation.Keywordspalladium/copper—catalyst,microwave,isoquinolines,tandemreaction,...
Consecutive Condensation, C–N and N–N Bond Formations: A Copper- Catalyzed One-Pot Three-Component Synthesis of 2H-Indazole 2H-Indazoles are synthesized using copper-catalyzed, one-pot, three-component reactions of 2-bromobenzaldehydes, primary amines, and sodium azide. A copper... Manian,Raje...
4-Aminophenazone (4-amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 4APZ) and 4-dimethylaminobenzaldehyde were purchased from BDH, 4-chlorobenzaldehyde and 4-bromobenzaldehyde from ACROS, and vanillin from Alfa. Piroxicam (Hovid, Malaysia). Acetylsalicylic acid (Reckit & Colman, Kar...
Arylhydrazones of 2-bromobenzaldehydes and its analogs are cyclized in PEG-400 at 110°C in the presence of a catalytic amount of copper powder along with ... HK Lee,CS Cho - 《Cheminform》 被引量: 0发表: 2013年 Novel five-co-ordinate diorganorhodium compounds.X-ray structure of bis-...
Total synthesis of lavendamycin methyl ester A total synthesis of lavendamycin methyl ester is described and is based on a Friedlander condensation of 2-amino-3-(benzyloxy)-4-bromobenzaldehyde (11), a... DL Boger,SR Duff,JS Panek,... - 《Journal of Organic Chemistry》 被引量: 553发表: ...
A Novel One‐pot Synthesis of Biaryl Derivatives by Sequential Strategies via Suzuki Coupling/Knoevenagel Condensation in Aqueous Medium at Room Temperature A novel one-pot synthesis of biaryl derivatives has been developed starting from bromobenzaldehyde and phenylboronic acid in the presence of activated...
2-Bromobenzaldehyde reacts with diamines under carbon monoxide in the presence of a catalytic amount of a palladium complex to afford the corresponding tricyclic isoindolinones in fair to good yields.doi:10.1080/00032719808006483Cho, C. S.
alkanoates2‐Bromobenzaldehyde reacts with sodium alkanoates in acetonitrile under carbon monoxide pressure in the presence of a catalytic amount of bis(triphenylphosphine)palladium(II) chloride to afford the corre sponding 3‐oxo‐1,3‐dihydro‐1‐isobenzofuranyl alkanoates in moderate to good ...
Table 3. The reaction of 2-naphthol, 4-bromobenzaldehyde and (R)-(+)-1-phenylethylaminea: effects of solvents (3 ml were used). EntrySolventTime, (h)Temperature (°C)Yield, (%)b 1 PhCH3 3 25 – 2 PhCH3 3 60 Trace 3 CH2Cl2 3 25 Trace 4 CH2Cl2 3 60 10 5 CH3CN 3 25 Trace...