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Volumn 48, Issue 33, 2007, Pages 5911-5914

Solvent-dependent behavior of arylvinylketones in HUSY-zeolite: a green alternative to liquid superacid medium

Author keywords

Arylation; Arylvinylketones; Cyclization; Dication; Reduction; Superelectrophile; Zeolites

Indexed keywords

ACID; BRONSTED ACID; CHALCONE DERIVATIVE; CYCLOHEXANE; HEPTANE; INDANONE DERIVATIVE; KETONE; VINYL DERIVATIVE; ZEOLITE;

EID: 34447537890     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2007.06.056     Document Type: Article
Times cited : (29)

References (27)
  • 1
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    • For recent examples of pharmaceutically active indanone derivatives, see. Ernst-Russell M.A., Chai C.L.L., Wardlaw J.H., and Elix J.A. J. Nat. Prod. 63 (2000) 129
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  • 11
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    • For liquid superacid-induced intramolecular cyclization of arylvinylketones, see
    • For liquid superacid-induced intramolecular cyclization of arylvinylketones, see. Suzuki T., Ohwada T., and Shudo K. J. Am. Chem. Soc. 119 (1997) 6774
    • (1997) J. Am. Chem. Soc. , vol.119 , pp. 6774
    • Suzuki, T.1    Ohwada, T.2    Shudo, K.3
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    • For liquid superacid-induced arylation of arylvinylketones, see
    • For liquid superacid-induced arylation of arylvinylketones, see. Ohwada T., Yamagata N., and Shudo K. J. Am. Chem. Soc. 113 (1991) 1364
    • (1991) J. Am. Chem. Soc. , vol.113 , pp. 1364
    • Ohwada, T.1    Yamagata, N.2    Shudo, K.3
  • 13
    • 0007089894 scopus 로고
    • For liquid superacid-induced reduction of C,C-double bond of arylvinylketones, see
    • For liquid superacid-induced reduction of C,C-double bond of arylvinylketones, see. Coustard J.M., Douteau M.H., Jacquesy J.C., and Jacquesy R. Tetrahedron Lett. 25 (1975) 2029
    • (1975) Tetrahedron Lett. , vol.25 , pp. 2029
    • Coustard, J.M.1    Douteau, M.H.2    Jacquesy, J.C.3    Jacquesy, R.4
  • 14
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    • For a recent method of determination of Brönsted acid sites on zeolites, see
    • For a recent method of determination of Brönsted acid sites on zeolites, see. Louis B., Walspurger S., and Sommer J. Catal. Lett. 93 (2004) 81
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    • Louis, B.1    Walspurger, S.2    Sommer, J.3
  • 27
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    • note
    • + form was activated at 550 °C for 4 h under air. The number of acid sites was estimated to be 4.33 mmol/g.Synthesis of 2c (Table 2, entry 9): Activated zeolite (2.52 g, 10.92 mmol sites), chlorobenzene (10 mL), and compound 1c (454 mg, 2.18 mmol) were successively loaded in 20 mL pressure tube. The resulting suspension was magnetically stirred at 130 °C overnight. After cooling, the mixture was added to 50 mL of MeOH, then stirred at 80 °C for 5 h. After cooling, the catalyst was filtered off and the organic phase was concentrated to provide the crude product (434 mg). A chromatographic purification (silica gel, pentane/ethyl acetate 9:1) gave pure 2c (387 mg, 85%).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.