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Volumn 48, Issue 49, 2007, Pages 8647-8650

Metal-free Brønsted acids catalyzed synthesis of functional 1,4-dihydropyridines

Author keywords

1,4 Dihydropyridines; Nitrogen heterocycles; Organocatalysis; Phosphoric acid

Indexed keywords

1,4 DIHYDROPYRIDINE DERIVATIVE; BRONSTED ACID; HETEROCYCLIC COMPOUND; LACIDIPINE; NIFEDIPINE; PHOSPHORIC ACID DERIVATIVE;

EID: 35848942383     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2007.10.040     Document Type: Article
Times cited : (63)

References (32)
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    • For an example of synthesis of N-benzyl 1,4-dihydropyridine from 1-aza-1,3-butadiene via a Diels-Alder reaction, see:
    • For an example of synthesis of N-benzyl 1,4-dihydropyridine from 1-aza-1,3-butadiene via a Diels-Alder reaction, see:. Geirsson J.K.F., and Johannesdottir J.F. J. Org. Chem. 61 (1996) 7320
    • (1996) J. Org. Chem. , vol.61 , pp. 7320
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  • 14
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    • For a recent discussion on tandem, cascade and one pot reactions, see:
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    • For the first enantioselective Biginelli reaction catalyzed by chiral phosphoric acid, see:
    • For the first enantioselective Biginelli reaction catalyzed by chiral phosphoric acid, see:. Chen X.-H., Xu X.-Y., Liu H., Cun L.-F., and Gong L.-Z. J. Am. Chem. Soc. 128 (2006) 14802
    • (2006) J. Am. Chem. Soc. , vol.128 , pp. 14802
    • Chen, X.-H.1    Xu, X.-Y.2    Liu, H.3    Cun, L.-F.4    Gong, L.-Z.5
  • 23
    • 26844487901 scopus 로고    scopus 로고
    • For the use of polyphosphates for the Biginelli reaction:
    • For the use of polyphosphates for the Biginelli reaction:. Kappe C.O., and Falsone F.S. Synlett (1998) 718
    • (1998) Synlett , pp. 718
    • Kappe, C.O.1    Falsone, F.S.2
  • 27
    • 33750154643 scopus 로고    scopus 로고
    • For the synthesis of Hantzsch type dihydropyridines assisted by PTSA using high-temperature water and microwave heating, see:
    • For the synthesis of Hantzsch type dihydropyridines assisted by PTSA using high-temperature water and microwave heating, see:. Tu S.-J., Jiang B., Zhang J.-Y., Jia R.-H., Zhang Y., and Yao C.-S. Org. Biomol. Chem. 4 (2006) 3980
    • (2006) Org. Biomol. Chem. , vol.4 , pp. 3980
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    • note
    • Enantiomeric excesses were determined by HPLC analysis after purification: Daicel Chiralcel OD-H, i-PrOH/hexane = 3:97, UV: 254 nm, flow rate: 0.8 ml/min.
  • 30
    • 0037043058 scopus 로고    scopus 로고
    • For an asymmetric synthesis of 1,4-dihydropyridines via diastereoselective approaches, see:
    • For an asymmetric synthesis of 1,4-dihydropyridines via diastereoselective approaches, see:. Ashworth I., Hopes P., Levin D., Patel I., and Salloo R. Tetrahedron Lett. 43 (2002) 4931
    • (2002) Tetrahedron Lett. , vol.43 , pp. 4931
    • Ashworth, I.1    Hopes, P.2    Levin, D.3    Patel, I.4    Salloo, R.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.