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Volumn 129, Issue 26, 2007, Pages 8156-8162

A new multicomponent reaction catalyzed by a [Lewis acid] +[Co(CO)4]- catalyst: Stereospecific synthesis of 1,3-oxazinane-2,4-diones from epoxides, isocyanates, and CO

Author keywords

[No Author keywords available]

Indexed keywords

CARBON MONOXIDE; CARBONYLATION; EPOXIDATION; OPTIMIZATION; STEREOCHEMISTRY; SYNTHESIS (CHEMICAL);

EID: 34447125205     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja069065d     Document Type: Article
Times cited : (60)

References (81)
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    • 2, which is isoelectronic with isocyanates, into Al-O bonds has been studied; see, for example: (a) Chisholm, M. H.; Zhou, Z. J. Am. Chem. Soc. 2004, 126, 11030-11039.
    • 2, which is isoelectronic with isocyanates, into Al-O bonds has been studied; see, for example: (a) Chisholm, M. H.; Zhou, Z. J. Am. Chem. Soc. 2004, 126, 11030-11039.
  • 26
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    • (a) Kurz, T. Tetrahedron 2005, 61, 3091-3096.
    • (2005) Tetrahedron , vol.61 , pp. 3091-3096
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    • 2 has been reported to form OD; however, a large amount of α,β-unsaturated amide was also generated, possibly from decomposition of OD under the reaction conditions; see: Casadei, M. A.; Cesa, S.; Moracci, F. M.; Inesi, A.; Feroci, M. J. Org. Chem. 1996, 61, 380-383.
    • 2 has been reported to form OD; however, a large amount of α,β-unsaturated amide was also generated, possibly from decomposition of OD under the reaction conditions; see: Casadei, M. A.; Cesa, S.; Moracci, F. M.; Inesi, A.; Feroci, M. J. Org. Chem. 1996, 61, 380-383.
  • 42
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    • The reaction of phenols with N-(chlorocarbonyl)isocyanate, followed by intramolecular Friedel-Crafts reaction, has also been shown to form benzoxazinediones; see: Hagemann, H
    • The reaction of phenols with N-(chlorocarbonyl)isocyanate, followed by intramolecular Friedel-Crafts reaction, has also been shown to form benzoxazinediones; see: Hagemann, H. Angew. Chem., Int. Ed. Engl. 1977, 16, 743-750.
    • (1977) Angew. Chem., Int. Ed. Engl , vol.16 , pp. 743-750
  • 43
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    • A recent issue of Tetrahedron was devoted to multicomponent reactions: Tetrahedron 2005, 61, 11299-11519.
    • A recent issue of Tetrahedron was devoted to multicomponent reactions: Tetrahedron 2005, 61, 11299-11519.
  • 44
    • 2942557280 scopus 로고    scopus 로고
    • For reviews of transition-metal-mediated cycloaddition and heterocycle formation, including multicomponent examples: a
    • For reviews of transition-metal-mediated cycloaddition and heterocycle formation, including multicomponent examples: (a) Nakamura, I.; Yamamoto, Y. Chem. Rev. 2004, 104, 2127-2198.
    • (2004) Chem. Rev , vol.104 , pp. 2127-2198
    • Nakamura, I.1    Yamamoto, Y.2
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    • For some representative examples, see references 16, 18, and: a
    • For some representative examples, see references 16, 18, and: (a) Kondo, T.; Nomura, M.; Ura, Y.; Wada, K.; Mitsudo, T.-A. J. Am. Chem. Soc. 2006, 128, 14816-14817.
    • (2006) J. Am. Chem. Soc , vol.128 , pp. 14816-14817
    • Kondo, T.1    Nomura, M.2    Ura, Y.3    Wada, K.4    Mitsudo, T.-A.5
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    • For several useful reviews, see: a
    • For several useful reviews, see: (a) Orru, R. V. A.; de Greef, M. Synthesis 2003, 10, 1471-1499.
    • (2003) Synthesis , vol.10 , pp. 1471-1499
    • Orru, R.V.A.1    de Greef, M.2
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    • (e) Posner, G. H. Chem. Rev. 1986, 86, 831-844.
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    • 34447126644 scopus 로고    scopus 로고
    • CO = 300 psi, T = 25°C.
    • CO = 300 psi, T = 25°C.
  • 62
    • 34447117864 scopus 로고    scopus 로고
    • As 1 is only sparingly soluble in hexanes, stirring was essential to the success of the reaction
    • As 1 is only sparingly soluble in hexanes, stirring was essential to the success of the reaction.
  • 64
    • 34447124108 scopus 로고    scopus 로고
    • See Supporting Information for details
    • See Supporting Information for details.
  • 65
    • 34447137110 scopus 로고    scopus 로고
    • We were unable to separate OD 4ah′ from triethylisocyanurate.
    • We were unable to separate OD 4ah′ from triethylisocyanurate.
  • 66
    • 34447122269 scopus 로고    scopus 로고
    • Though most of the epoxide was unchanged following the reaction, small amounts of styrene and unidentified compounds were produced
    • Though most of the epoxide was unchanged following the reaction, small amounts of styrene and unidentified compounds were produced.
  • 67
    • 34447134495 scopus 로고    scopus 로고
    • sBu.
    • sBu.
  • 70
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    • Using semiempirical methods, we have calculated the trans-ring-fused β-lactone from cyclopentene oxide to be approximately 45 kcal/mol higher in energy than the cis-ring-fused form see ref 2e
    • Using semiempirical methods, we have calculated the trans-ring-fused β-lactone from cyclopentene oxide to be approximately 45 kcal/mol higher in energy than the cis-ring-fused form (see ref 2e).
  • 71
    • 0033770496 scopus 로고    scopus 로고
    • Sander, Maguire, and co-workers have reported observing trans-ring-fused 7-oxabicyclo[4.2.0]octan-8-one in an argon matrix using IR spectroscopy; see: Sander, W.; Strehl, A.; Maguire, A. R.; Collins, S.; Kelleher, P. G. Eur. J. Org. Chem. 2000, 3329-3335.
    • Sander, Maguire, and co-workers have reported observing trans-ring-fused 7-oxabicyclo[4.2.0]octan-8-one in an argon matrix using IR spectroscopy; see: Sander, W.; Strehl, A.; Maguire, A. R.; Collins, S.; Kelleher, P. G. Eur. J. Org. Chem. 2000, 3329-3335.
  • 74
    • 34447136466 scopus 로고    scopus 로고
    • Though 2JC-H and 3J C-H values are generally comparable in magnitude,34 the methylene unit of the 1,3-oxazinane-2,4-dione ring is directly adjacent to one carbonyl group and three carbons from the other. Thus the JC-H at this position is expected to be a 2JC-H or a 4JC-H value
    • C-H value.
  • 75
    • 34447119828 scopus 로고    scopus 로고
    • An exception to this trend is observed in β-lactone formation from cyclopentene oxide. Whereas carbonylation of this cis epoxide to the trans β-lactone has not been observed, it has been carbonylated to the cis β-lactone.2e This reaction was proposed to occur via a cationic intermediate
    • 2e This reaction was proposed to occur via a cationic intermediate.
  • 76
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    • Glass Contour Systems, Laguna Beach, CA, 92652.
    • Glass Contour Systems, Laguna Beach, CA, 92652.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.