메뉴 건너뛰기




Volumn 61, Issue 3, 1996, Pages 1073-1081

Catalytic ring closing metathesis of dienynes: Construction of fused bicyclic [n.m.0] rings

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0001354464     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo951648a     Document Type: Article
Times cited : (180)

References (41)
  • 1
    • 0003787448 scopus 로고
    • Ed.; Academic Press: New York.
    • See, for instance: Natural Products Chemistry; Nakanishi, K., Ed.; Academic Press: New York. 1974; Vols. 1-3.
    • (1974) Natural Products Chemistry , vol.1-3
    • Nakanishi, K.1
  • 5
    • 0001263185 scopus 로고
    • Previous reports on RCM from this laboratory: (a) Fu, G. C.; Grubbs, R. H. J. Am. Chem. Soc. 1992, 114, 5426. (b) Fu, G. C.; Grubbs, R. H. J. Am. Chem. Soc. 1992, 114, 7324.
    • (1992) J. Am. Chem. Soc. , vol.114 , pp. 5426
    • Fu, G.C.1    Grubbs, R.H.2
  • 6
    • 0000587503 scopus 로고
    • Previous reports on RCM from this laboratory: (a) Fu, G. C.; Grubbs, R. H. J. Am. Chem. Soc. 1992, 114, 5426. (b) Fu, G. C.; Grubbs, R. H. J. Am. Chem. Soc. 1992, 114, 7324.
    • (1992) J. Am. Chem. Soc. , vol.114 , pp. 7324
    • Fu, G.C.1    Grubbs, R.H.2
  • 20
    • 5344253413 scopus 로고
    • (b) Harvey, D. F.; Brown, M. F. J. Org. Chem. 1992, 57, 5059. For a review on the chemistry of Fischer carbenes with ene-yne substrates see: Wulff, W. D. In Comprehensive Organic Synthesis; Trost, B. M., Ed.; Pergamon: New York, 1991; Vol. 5, Chapter 9.2.
    • (1992) J. Org. Chem. , vol.57 , pp. 5059
    • Harvey, D.F.1    Brown, M.F.2
  • 21
    • 0342340840 scopus 로고
    • Trost, B. M., Ed.; Pergamon: New York, Chapter 9.2
    • (b) Harvey, D. F.; Brown, M. F. J. Org. Chem. 1992, 57, 5059. For a review on the chemistry of Fischer carbenes with ene-yne substrates see: Wulff, W. D. In Comprehensive Organic Synthesis; Trost, B. M., Ed.; Pergamon: New York, 1991; Vol. 5, Chapter 9.2.
    • (1991) Comprehensive Organic Synthesis , vol.5
    • Wulff, W.D.1
  • 23
    • 5344222167 scopus 로고    scopus 로고
    • note
    • Some substrates possess specific structural requirements such as pre-formed carbenes and specific α-diazocarbonyl compounds.
  • 24
    • 5344223555 scopus 로고    scopus 로고
    • note
    • For instance, the rhodium-catalyzed reaction showed a complex product distribution arising from several competing processes (ref 7).
  • 25
    • 5344249548 scopus 로고    scopus 로고
    • note
    • The dienyne cyclization shown in Scheme 2 required a stoichiometric amount of pre-formed Fischer carbene (ref 6a).
  • 26
    • 85088077342 scopus 로고    scopus 로고
    • note
    • 2Br, DMF
  • 27
    • 5344280641 scopus 로고    scopus 로고
    • note
    • The possibility that the first step involves an alkyne metathesis followed by two diene RCM steps cannot be ruled out. However, later experiments favor the proposed mechanism (see text).
  • 28
    • 5344245565 scopus 로고    scopus 로고
    • note
    • Dienyne RCM proceeds at a somewhat slower rate with the free alcohols.
  • 29
    • 5344269602 scopus 로고    scopus 로고
    • note
    • NMR reactions were conducted in 0.2-0.3 mmol scale at 0.01-0.07 M substrate concentration.
  • 33
    • 85004258725 scopus 로고
    • (d) Bazan, G. C.; Oskam, J. H.; Cho, H.-N.; Park, L. Y.; Schrock, R. R. J. Am. Chem. Soc. 1991, 113, 6899. Both the tungsten 34 and molybdenum 35 alkylidenes have been successfully employed for diene RCM (ref 4 and Grubbs, R. H., unpublished results).
    • (1991) J. Am. Chem. Soc. , vol.113 , pp. 6899
    • Bazan, G.C.1    Oskam, J.H.2    Cho, H.-N.3    Park, L.Y.4    Schrock, R.R.5
  • 35
    • 85088077367 scopus 로고    scopus 로고
    • note
    • 6 with 3-5 mol % catalyst.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.