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A mild and expedient one-pot synthesis of substituted benzimidazoles in water using a phase-transfer catalyst
被引:18
|作者:
Chakrabarty, Manas
[1
]
Karmakar, Sulakshana
[1
]
Mukherjee, Ratna
[1
]
Arima, Shiho
[2
]
Harigaya, Yoshihiro
[2
]
机构:
[1] Bose Inst, Dept Chem, Kolkata 700009, India
[2] Kitasato Univ, Sch Pharmaceut Sci, Minato Ku, Tokyo 108, Japan
来源:
关键词:
Benzimidazoles;
Synthesis;
N-alkyl/phenyl-o-phenylenediamines;
Aryl aldehydes;
Phase-transfer catalyst;
ECO-FRIENDLY CATALYST;
DIELS-ALDER REACTIONS;
PROMOTED SYNTHESIS;
2-SUBSTITUTED BENZIMIDAZOLES;
SELECTIVE SYNTHESIS;
O-PHENYLENEDIAMINE;
EFFICIENT;
ACID;
DERIVATIVES;
ALDEHYDES;
D O I:
10.1007/s00706-008-0036-z
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
1-Alkyl/phenyl-2-arylbenzimidazoles have been synthesized in very good to excellent yields by a one-pot condensation of N-alkyl/phenyl-o-phenylenediamines with aryl aldehydes in water at room temperature using cetyl-pyridinium bromide as a cheap and eco-friendly catalyst.
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页码:375 / 380
页数:6
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