An improved catalyst for ring-closing alkyne metathesis based on molybdenum hexacarbonyl/ 2-fluorophenol

Organic Letters

Volumn 4, Issue 21, 2002, Pages 3747-3749

  Grela, Karol ^a   Ignatowska, Jolanta ^b  

^a INSTITUTE OF ORGANIC CHEMISTRY   (Poland)

^b WARSAW UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE;

EID: 0012963854     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol026690o     Document Type: Article

References (37)

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5. This drawback can be clearly seen, for example, from the epothilone case; cf. discussion in refs 3c,g.
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31. 6-activator systems under microwave irradiation see: Villemin, D.; Héroux, M.; Blot, V. Tetrahedron Lett. 2001, 42, 3701-3703 and ref 3f.
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34. 6/4-chlorophenol system has been reported: Brizius, G.; Bunz, U. H. F. Org. Lett. 2002, 4, 2829-2831.
35. 3, 500 MHz) δ 1.63-1.71 (4H, m), 1.66 (6H, s), 2.05-2.09 (4H, m), 2.26 (4H, t, J = 7.1 Hz), 4.22-4.24 (4H, AA′XX′), 4.38-4.4 (4H, AA′XX′), 6.80-6.84 (4H, AA′XX′), 7.08-7.12 (4H, AA′XX′).
36. 6-phenol systems are generally air stable, most authors routinely apply this chemistry under protective atmosphere of inert gas (for example cf. refs 3f, 3b, and 8f).
37. Rodefeld, L.; Tochtermann, W. Tetrahedron 1998, 54, 5893-5896.