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Volumn 72, Issue 17, 2007, Pages 6459-6463

Lewis acid-catalyzed conjugate addition-cyclization reactions of ethenetricarboxylates with substituted propargyl alcohols: Stereoselectivity in the efficient one-pot synthesis of methylenetetrahydrofurans

Author keywords

[No Author keywords available]

Indexed keywords

CYCLIZED PRODUCTS; ETHENETRICARBOXYLATE DERIVATIVES; METHYLENETETRAHYDROFURANS; PROPARGYL ALCOHOLS;

EID: 34547947084     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo070882l     Document Type: Article
Times cited : (47)

References (51)
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    • (a) Keay, B. A.; Dibble, P. W. In Comprehensive Heterocyclic Chemistry 11; Katrizky, A. R., Rees, C. W., Scriven, E. F. V., Eds.; Pergamon: Oxford, UK, 1996; Vol. 2, p 395.
    • (1996) Comprehensive Heterocyclic Chemistry 11 , vol.2 , pp. 395
    • Keay, B.A.1    Dibble, P.W.2
  • 3
    • 33750085326 scopus 로고    scopus 로고
    • For examples see: a
    • For examples see: (a) Belting, V.; Krause, N. Org. Lett. 2006, 8, 4489.
    • (2006) Org. Lett , vol.8 , pp. 4489
    • Belting, V.1    Krause, N.2
  • 11
    • 0343778881 scopus 로고
    • For a review see: i
    • For a review see: (i) Masse, C. E.; Panek, J. S. Chem. Rev. 1995, 95, 1293.
    • (1995) Chem. Rev , vol.95 , pp. 1293
    • Masse, C.E.1    Panek, J.S.2
  • 17
    • 34547940682 scopus 로고    scopus 로고
    • 2Cl gave a noncyclized adduct, triethyl 1-(prop-1-ynyloxy)ethane-1,2,2-tricarboxylate in 42-49% yield, along with starting material 1a (27-30%).
    • 2Cl gave a noncyclized adduct, triethyl 1-(prop-1-ynyloxy)ethane-1,2,2-tricarboxylate in 42-49% yield, along with starting material 1a (27-30%).
  • 30
    • 34547941638 scopus 로고    scopus 로고
    • Earl, R. A.; Townsend, L. B. Organic Syntheses; Wiley: New York, 1990; Collect. VII, p 334.
    • (b) Earl, R. A.; Townsend, L. B. Organic Syntheses; Wiley: New York, 1990; Collect. Vol. VII, p 334.
  • 35
    • 34547930522 scopus 로고    scopus 로고
    • 4 chelete intermediate of 2,4-substitutents with esters in the tetrahydrofuran ring.
    • 4 chelete intermediate of 2,4-substitutents with esters in the tetrahydrofuran ring.
  • 36
    • 0030761542 scopus 로고    scopus 로고
    • Possible isomerization of propargylic alcohols, such as via Meyer-Schuster and Rupe rearrangements, may occur in preference to the expected reaction with 1. (a) Bigi, F.; Carloni, S.; Maggi, R.; Muchetti, C.; Sartori, G. J. Org. Chem. 1997, 62, 7024.
    • Possible isomerization of propargylic alcohols, such as via Meyer-Schuster and Rupe rearrangements, may occur in preference to the expected reaction with 1. (a) Bigi, F.; Carloni, S.; Maggi, R.; Muchetti, C.; Sartori, G. J. Org. Chem. 1997, 62, 7024.
  • 49
    • 34547944399 scopus 로고    scopus 로고
    • In ref 3c, zinc alkoxide (in the presence of Et3N) attack leading to anionic zinc coordinate enolate-ester is suggested. The detailed reaction mechanism including neutral alcohol or alkoxide attack is under investigation
    • 3N) attack leading to anionic zinc coordinate enolate-ester is suggested. The detailed reaction mechanism including neutral alcohol or alkoxide attack is under investigation.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.