Progress in heterocyclic chemistry, Год журнала: 2024, Номер unknown, С. 211 - 257
Опубликована: Янв. 1, 2024
Язык: Английский
Progress in heterocyclic chemistry, Год журнала: 2024, Номер unknown, С. 211 - 257
Опубликована: Янв. 1, 2024
Язык: Английский
Chinese Journal of Organic Chemistry, Год журнала: 2025, Номер 45(2), С. 655 - 655
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
0The Journal of Organic Chemistry, Год журнала: 2024, Номер 89(12), С. 8641 - 8655
Опубликована: Июнь 7, 2024
A diazo approach toward functionalized naphtho[1,2-d]imidazole derivatives has been developed. It involved a new reaction of arylamidines with 2-(α-diazoacyl)-2H-azirines giving 5-aryl-4-(α-diazoacyl)-1H-imidazoles under mild conditions in good yields. The mechanism annulation azirines amidines is discussed based on DFT calculations. proceeds an unusual manner by cleavage the azirine C–C bond, allowing for transfer aryl substituent from arylamidine to proper position key intermediate synthesis. Under thermolysis conditions, undergo Wolff rearrangement followed selective 6π-cyclization transient ketene form 3H-naphtho[1,2-d]imidazoles bearing various substituents positions 2,3,4,5,7,8,9. Additionally, variation at 5 naphtho[1,2-d]imidazoles possible through formation triflates and subsequent cross-coupling reactions. One more heterocyclic pharmacophoric skeleton, 3H-furo[3′,2':3,4]naphtho[1,2-d]imidazole, was easily constructed methyl 5-hydroxy-3H-naphtho[1,2-d]imidazole-4-carboxylates one-pot mode using O-alkylation phenacyl bromides base-induced intramolecular acyl substitution room temperature high
Язык: Английский
Процитировано
2Chemical Science, Год журнала: 2024, Номер unknown
Опубликована: Янв. 1, 2024
The visible-light irradiation of acylsilane tethered vinyl ketones promotes an intramolecular Stetter-type reaction
Язык: Английский
Процитировано
2Chemical Communications, Год журнала: 2024, Номер 60(14), С. 1904 - 1907
Опубликована: Янв. 1, 2024
The Fe( ii )-catalyzed cyclization of 2 H -azirines and N , -dimethylformamide as an amine source has been developed for the synthesis 1-methyl-4,5-diaryl-1 -imidazoles.
Язык: Английский
Процитировано
1Progress in heterocyclic chemistry, Год журнала: 2024, Номер unknown, С. 211 - 257
Опубликована: Янв. 1, 2024
Язык: Английский
Процитировано
0