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Volumn 7, Issue 6, 2010, Pages 420-423

Metal triflates: Efficient catalysts for oxa-pictet-spengler reaction

Author keywords

Catalysis.; Metal triflate; Oxa Pictet Spengler

Indexed keywords


EID: 78650397204     PISSN: 15701786     EISSN: None     Source Type: Journal    
DOI: 10.2174/157017810791824883     Document Type: Article
Times cited : (7)

References (15)
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  • 2
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    • Wünsch, B.; Zott, M. Chiral 2-benzopyran-3-carboxylates by oxa-Pictet-Spengler reaction of (S)-3-phenyllactic acid derivatives. Liebigs Ann. Chem. 1992, 39.
    • (1992) Chem. , pp. 39
    • Wünsch, B.1    Zott, M.2
  • 3
    • 33645275501 scopus 로고    scopus 로고
    • Zeolite-catalyzed simple synthesis of isochromans via the oxa-Pictet-Spengler reaction
    • Hegedüs, A.; Hell, Z. Zeolite-catalyzed simple synthesis of isochromans via the oxa-Pictet-Spengler reaction. Org. Biomol. Chem. 2006, 4, 1220.
    • (2006) Org. Biomol. Chem. , vol.4 , pp. 1220
    • Hegedüs, A.1    Hell, Z.2
  • 4
    • 34047123624 scopus 로고    scopus 로고
    • Synthesis of tetrahydroisoquinolines and isochromans via Pictet-Spengler reactions catalyzed by Brønsted acid-surfactant-combined catalyst in aqueous media
    • Saito, A.; Takayama, M.; Yamazaki, A.; Numaguchi, J.; Hanzawa, Y. Synthesis of tetrahydroisoquinolines and isochromans via Pictet-Spengler reactions catalyzed by Brønsted acid-surfactant-combined catalyst in aqueous media. Tetrahedron 2007, 63, 4039.
    • (2007) Tetrahedron , vol.63 , pp. 4039
    • Saito, A.1    Takayama, M.2    Yamazaki, A.3    Numaguchi, J.4    Hanzawa, Y.5
  • 5
    • 55749101752 scopus 로고    scopus 로고
    • Microwave-accelerated Synthesis of Some (±)-1-Aryl-5- chloroisochromans
    • Saeed, A.; Mumtaz, A. Microwave-accelerated Synthesis of Some (±)-1-Aryl-5-chloroisochromans. Chin. J. Chem. 2008, 26, 1647.
    • (2008) Chin. J. Chem. , vol.26 , pp. 1647
    • Saeed, A.1    Mumtaz, A.2
  • 8
    • 40149108424 scopus 로고    scopus 로고
    • A novel isochroman derivative inhibited apoptosis in vascular endothelial cells through depressing the levels of integrin beta4, p53 and ROS
    • Zhang, L.; Zhu, X.; Zhao, B.; Zhao, J.; Zhang, Y.; Zhang, S.; Miao, J. A novel isochroman derivative inhibited apoptosis in vascular endothelial cells through depressing the levels of integrin beta4, p53 and ROS. Vascul. Pharmacol. 2008, 48, 63.
    • (2008) Vascul. Pharmacol. , vol.48 , pp. 63
    • Zhang, L.1    Zhu, X.2    Zhao, B.3    Zhao, J.4    Zhang, Y.5    Zhang, S.6    Miao, J.7
  • 9
    • 48549085895 scopus 로고    scopus 로고
    • Bismuth triflate-catalyzed oxa-and thia-Pictet-Spengler reactions: Access to iso-and isothio-chroman compounds
    • Lherbet, C.; Soupaya, D.; Baudoin-Dehoux, C.; André, C.; Blonski, C.; Hoffmann, P. Bismuth triflate-catalyzed oxa-and thia-Pictet-Spengler reactions: access to iso-and isothio-chroman compounds. Tetrahedron Lett. 2008, 49, 5449.
    • (2008) Tetrahedron Lett. , vol.49 , pp. 5449
    • Lherbet, C.1    Soupaya, D.2    Baudoin-Dehoux, C.3    André, C.4    Blonski, C.5    Hoffmann, P.6
  • 10
    • 77249108527 scopus 로고    scopus 로고
    • Bismuth triflate as a safe and readily handled source of triflic acid: Application to the oxa-Pictet-Spengler reaction
    • Bouguerne, B.; Hoffmann, P.; Lherbet, C. Bismuth triflate as a safe and readily handled source of triflic acid: Application to the oxa-Pictet-Spengler reaction. Synth. Commun. 2010, 40, 915.
    • (2010) Synth. Commun. , vol.40 , pp. 915
    • Bouguerne, B.1    Hoffmann, P.2    Lherbet, C.3
  • 11
    • 0348048819 scopus 로고    scopus 로고
    • On the role of triflic acid in the metal triflate-catalysed acylation of alcohols
    • Dumeunier, R.; Markó I.E. On the role of triflic acid in the metal triflate-catalysed acylation of alcohols. Tetrahedron Lett. 2004, 45, 825.
    • (2004) Tetrahedron Lett. , vol.45 , pp. 825
    • Dumeunier, R.1    Markó, I.E.2
  • 12
    • 47049085927 scopus 로고    scopus 로고
    • Molecular sieves 4 Å work to mediate the catalytic metal enolization of nucleophile precursors: Application to catalyzed enantioselective Michael addition reactions
    • The isochroman was obtained in 22% yield showing that H2O has a direct impact on the reaction
    • The same reaction catalyzed by Bi(OTf)3 was performed with an other dehydrating reagent such as MgSO4 (2 eq) in the light of the basicity of 4 Å MS (See: Hasegawa, M.; Ono, F.; Kanemasa, S. Molecular sieves 4 Å work to mediate the catalytic metal enolization of nucleophile precursors: application to catalyzed enantioselective Michael addition reactions. Tetrahedron Lett. 2008, 49, 5220). The isochroman was obtained in 22% yield showing that H2O has a direct impact on the reaction.
    • (2008) Tetrahedron Lett , vol.49 , pp. 5220
    • Hasegawa, M.1    Ono, F.2    Kanemasa, S.3
  • 13
    • 67650217931 scopus 로고    scopus 로고
    • Scandium triflate-catalyzed intramolecular Friedel-Crafts acylation with Meldrum's acids: Insight into the mechanism
    • Fillon, E.; Fishlock, D. Scandium triflate-catalyzed intramolecular Friedel-Crafts acylation with Meldrum's acids: insight into the mechanism. Tetrahedron 2009, 65, 6682.
    • (2009) Tetrahedron , vol.65 , pp. 6682
    • Fillon, E.1    Fishlock, D.2
  • 14
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    • A mild, expedient, solventless synthesis of bis(indoyl)alkanes using silica sulfuric acid as a reusable catalyst
    • and references therein
    • Pore, D.M.; Desai, U.V.; Thopate, T.S.; Wadgaonkar, P.P. A mild, expedient, solventless synthesis of bis(indoyl)alkanes using silica sulfuric acid as a reusable catalyst. ARKIVOC 2006, 12, 75 and references therein.
    • ARKIVOC 2006 , vol.12 , pp. 75
    • Pore, D.M.1    Desai, U.V.2    Thopate, T.S.3    Wadgaonkar, P.P.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.