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Volumn 73, Issue 11, 2008, Pages 4198-4204

2-Nitrophenyl isocyanide as a versatile convertible isocyanide: Rapid access to a fused γ-lactam β-lactone bicycle

Author keywords

[No Author keywords available]

Indexed keywords

BICYCLES; CHEMICAL REACTIONS; SYNTHESIS (CHEMICAL);

EID: 44949169626     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo800486k     Document Type: Article
Times cited : (38)

References (86)
  • 3
    • 0037455147 scopus 로고    scopus 로고
    • Isolation of salinosporamide A: (a) Feling, R. H.; Buchanan, G. O.; Mincer, T. J.; Kauffman, C. A.; Jensen, P. R.; Fenical, W. Angew. Chem., Int. Ed. 2003, 42, 355-357.
    • Isolation of salinosporamide A: (a) Feling, R. H.; Buchanan, G. O.; Mincer, T. J.; Kauffman, C. A.; Jensen, P. R.; Fenical, W. Angew. Chem., Int. Ed. 2003, 42, 355-357.
  • 42
    • 2442720189 scopus 로고    scopus 로고
    • For salinosporamide A total syntheses, see: a
    • For salinosporamide A total syntheses, see: (a) Reddy, L. R.; Saravanan, P.; Corey, E. J. J. Am. Chem. Soc. 2004, 126, 6230-6231.
    • (2004) J. Am. Chem. Soc , vol.126 , pp. 6230-6231
    • Reddy, L.R.1    Saravanan, P.2    Corey, E.J.3
  • 58
    • 44949122103 scopus 로고    scopus 로고
    • The acidic conditions required to activate the (2,2-dimethoxyethyl) anilide to the N-acylindole intermediate with the convertible isocyanide, 1-isocyano-2-(2,2-dimethoxyethyl)benzene, in our previous synthesis caused unwanted N,O-acetal formation as the major product by reaction with the unprotected alcohols see ref 12a
    • The acidic conditions required to activate the (2,2-dimethoxyethyl) anilide to the N-acylindole intermediate with the convertible isocyanide, 1-isocyano-2-(2,2-dimethoxyethyl)benzene, in our previous synthesis caused unwanted N,O-acetal formation as the major product by reaction with the unprotected alcohols (see ref 12a).
  • 60
    • 22244475751 scopus 로고    scopus 로고
    • For recent reviews on the application of N-acylbenzotriazoles in organic synthesis, see: (a) Katritzky, A. R.; Suzuki, K.; Wang, Z. Synlett 2005, 11, 1656-1665.
    • For recent reviews on the application of N-acylbenzotriazoles in organic synthesis, see: (a) Katritzky, A. R.; Suzuki, K.; Wang, Z. Synlett 2005, 11, 1656-1665.
  • 65
    • 44949120199 scopus 로고    scopus 로고
    • We expected a single diastereomer in the Ugi reaction of ketacid 11 based on our previous studies see ref 12a
    • We expected a single diastereomer in the Ugi reaction of ketacid 11 based on our previous studies (see ref 12a).
  • 70
    • 44949195352 scopus 로고    scopus 로고
    • The CIF file of the X-ray analysis of compound 17 is available in the Supporting Information.
    • The CIF file of the X-ray analysis of compound 17 is available in the Supporting Information.
  • 71
    • 44949132593 scopus 로고    scopus 로고
    • For use of the smiles rearrangement in Ugi reactions, see: a
    • For use of the smiles rearrangement in Ugi reactions, see: (a) El Kaïm, L.; Grimaud, L.; Oble, J. Angew. Chem., Int. Ed. 2005, 44, 7691.
    • (2005) Angew. Chem., Int. Ed , vol.44 , pp. 7691
    • El Kaïm, L.1    Grimaud, L.2    Oble, J.3
  • 74
    • 44949199695 scopus 로고    scopus 로고
    • Alternative conditions for the reduction of the nitro group are as follows:, heat. These conditions are compatible with the presence of unsaturated bonds as well as other functionality not compatible with hydrogenolysis
    • 2 HCl, EtOH, heat. These conditions are compatible with the presence of unsaturated bonds as well as other functionality not compatible with hydrogenolysis.
    • 2 HCl, EtOH


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.