An Efficient, Three-component One-pot Preparation of 1,4-Dihydropyridines Containing Novel Substituted Pyrazole under Sulfamic Acid Catalysis

An Efficient, Three-component One-pot Preparation of 1,4-Dihydropyridines Containing Novel Substituted Pyrazole under Sulfamic Acid Catalysis

An efficient approach to 1,4-dihydropyridines containing novel substituted pyrazole is achieved via threecomponent reaction of pyrazolyl aldehyde, β-ketoester, and ammonium acetate in one-pot under sulfamic acid catalysis.

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Veröffentlicht in:Chinese journal of chemistry 2011-03, Vol.29 (3), p.511-514
1. Verfasser: Li, Jianping Qiu, Jikuan Li, Huijuan Zhang, Guisheng
Format: Artikel
Sprache:eng
Schlagworte:
1,4‐dihydropyridines
4-dihydropyridines
Catalysis
Hantzsch reaction
pyrazole
sulfamic acid
synthesis
三分量
三组分
二氢吡唑
二氢吡啶
取代氨基
酸催化
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Beschreibung
Zusammenfassung:An efficient approach to 1,4-dihydropyridines containing novel substituted pyrazole is achieved via threecomponent reaction of pyrazolyl aldehyde, β-ketoester, and ammonium acetate in one-pot under sulfamic acid catalysis.
ISSN:1001-604X
1614-7065
DOI:10.1002/cjoc.201190114