13445-89-1Relevant articles and documents
A Serendipitous One-Pot Cyanation/Hydrolysis/Enamide Formation: Direct Access to 3-Methyleneisoindolin-1-ones
Banik, Trisha,Kaliappan, Krishna P.
supporting information, p. 628 - 633 (2020/12/09)
A direct, one-pot conversion of 2’-haloacetophenones to 3-methyleneisoindolin-1-one scaffolds using CuCN as the sole reagent without the need for moisture-free or anaerobic conditions is reported. This serendipitously discovered transformation with a broa
6,8-dibromo-4-chloroquinoline-3-carbaldehyde as a synthon in the development of novel 1,6,8-triaryl-1H-pyrazolo[4,3-c]quinolines
Maluleka, Marole M.,Mphahlele, Malose J.
, p. 699 - 704 (2013/07/25)
2-Amino-3,5-dibromoacetophenone undergoes Vilsmeier reaction with a phosphoryl chloride-dimethylformamide mixture to afford 6,8-dibromo-4- chloroquinoline-3-carbaldehyde. The latter was reacted with arylhydrazine hydrochlorides in ethanol in the presence
EPR studies of nitrogen-centred free radicals. Part 53. Isolation, EPR spectra and magnetic characterization of N-(arylthio)-2,4-diaryl-6-cyanophenylaminyls
Nakatsuji, Masaaki,Miura, Yozo,Teki, Yoshio
, p. 738 - 744 (2007/10/03)
N-(Arylthio)-2,4-diaryl-6-ethoxycarbonylphenylaminyls (1), N-[(2,4-dichlorophenyl)thio]-2,4-diphenyl-6-acetylphenylaminyl (2), N-(arylthio)-2,4-diaryl-6-cyanophenylaminyls (3), N-[(2,4-dichlorophenyl)thio]-2,4-bis(4-chlorophenyl)-6-fluorophenylaminyl (4) and N-[(4-nitrophenyl)thio]-2,4-diphenylphenylaminyl (5) were generated by oxidation of the corresponding N-(arylthio)anilines. Although 4 and 5 were short-lived and decayed in 30 min, 1-3 were quite persistent and 3 could be isolated as radical crystals. EPR spectra were measured for all radicals generated and the spin density distribution was evaluated. Ab initio MO calculations (the UHF Becke 3LYP/STO 6-31G) were performed, and a quantitative discussion on the spin density distribution was made. Magnetic susceptibility measurements were performed for three isolated radicals with a SQUID magnetometer. One radical was found to couple ferromagnetically, and analysis with the one-dimensional regular Heisenberg model gave 2J/kB = 11.2 K.