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Volumn 125, Issue 26, 2003, Pages 7812-7813

A GaCl3-catalyzed [4+1] cycloaddition of α,β-unsaturated carbonyl compounds and isocyanides leading to unsaturated γ-lactone derivatives

Author keywords

[No Author keywords available]

Indexed keywords

CARBONYL DERIVATIVE; GALLIUM CHLORIDE; GAMMA LACTONE DERIVATIVE; ISOCYANIC ACID DERIVATIVE; NICKEL; TITANIUM;

EID: 0038541773     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja035014u     Document Type: Article
Times cited : (117)

References (32)
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  • 2
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    • For reviews on isocyanides in organic synthesis, see: Dömling, A.; Ugi, I. Angew. Chem., Int. Ed. 2000, 39, 3168. Josien, H.; Ko, S.-B.; Born, D.; Curran, D. P. Chem.-Eur. J. 1998, 4, 67. Saegusa, T.; Ito, Y. Synthesis 1975, 291.
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    • Saegusa, T.1    Ito, Y.2
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    • Tamao, K.1    Kobayashi, K.2    Ito, Y.3
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    • Tamao, K.; Kobayashi, K.; Ito, Y. J. Am. Chem. Soc. 1988, 110, 1286. Later, a catalytic version was reported by Buckwald. Zhang, M.; Buchwald, S. L. J. Org. Chem. 1996, 61, 4498.
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    • note
    • It was reported in ref llg that demetalation using CuCl or air is necessary to obtain the free products because the products are strongly coordinated to Zr.
  • 25
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    • 3 as a catalyst, see: Yonehara, F.; Kido, Y.; Morita, S.; Yamaguchi, M. J. Am. Chem. Soc. 2001, 123, 11310. Kobayashi, K.; Arisawa, M.; Yamaguchi, M. J. Am. Chem. Soc. 2002, 124, 8528. Chatani, N.; Inoue, H.; Kotsuma, T.; Murai, S. J. Am. Chem. Soc. 2002, 124, 10294.
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    • 3 as a catalyst, see: Yonehara, F.; Kido, Y.; Morita, S.; Yamaguchi, M. J. Am. Chem. Soc. 2001, 123, 11310. Kobayashi, K.; Arisawa, M.; Yamaguchi, M. J. Am. Chem. Soc. 2002, 124, 8528. Chatani, N.; Inoue, H.; Kotsuma, T.; Murai, S. J. Am. Chem. Soc. 2002, 124, 10294.
    • (2002) J. Am. Chem. Soc. , vol.124 , pp. 8528
    • Kobayashi, K.1    Arisawa, M.2    Yamaguchi, M.3
  • 27
    • 0037019690 scopus 로고    scopus 로고
    • 3 as a catalyst, see: Yonehara, F.; Kido, Y.; Morita, S.; Yamaguchi, M. J. Am. Chem. Soc. 2001, 123, 11310. Kobayashi, K.; Arisawa, M.; Yamaguchi, M. J. Am. Chem. Soc. 2002, 124, 8528. Chatani, N.; Inoue, H.; Kotsuma, T.; Murai, S. J. Am. Chem. Soc. 2002, 124, 10294.
    • (2002) J. Am. Chem. Soc. , vol.124 , pp. 10294
    • Chatani, N.1    Inoue, H.2    Kotsuma, T.3    Murai, S.4
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    • note
    • All new compounds were characterized by NMR, IR, mass spectral data, and elemental analyses or high-resolution mass spectrometry. See Supporting Information.
  • 30
    • 0038464004 scopus 로고    scopus 로고
    • note
    • 2AlCl as the catalyst did not give the corresponding products.
  • 32
    • 0038464005 scopus 로고    scopus 로고
    • note
    • A byproduct that consists of two molecules of ketone and one molecule of isocyanide was observed by GC-MS in the reaction of 9.


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