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Volumn 121, Issue 6, 1999, Pages 1401-1402

Total syntheses of depsipeptide elastase inhibitors YM-47141 and YM- 47142 with use of ylide protection and coupling methods [12]

Author keywords

[No Author keywords available]

Indexed keywords

ANTIBIOTIC AGENT; DEPSIPEPTIDE; ELASTASE INHIBITOR; MACROLIDE; NATURAL PRODUCT; RAPAMYCIN; TACROLIMUS; TRICARBOXYLIC ACID; UNCLASSIFIED DRUG; YM 47141; YM 47142;

EID: 0033576984     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9840302     Document Type: Letter
Times cited : (38)

References (34)
  • 5
    • 0001748925 scopus 로고
    • (d) Rapamycin: Swindelly, D.; White, P.; Findlay, J. Can. J. Chem. 1978, 56, 2491. Martel, R.; Klicius, J.; Galet, S. Can. J. Physiol. Pharmacol. 1977, 55, 48.
    • (1978) Can. J. Chem. , vol.56 , pp. 2491
    • Swindelly, D.1    White, P.2    Findlay, J.3
  • 13
    • 0030828306 scopus 로고    scopus 로고
    • (f) For a recent total synthesis of FK-506 and other references to synthetic work in this field, see: Ireland, R. E.; Liu, L.; Roper, T. D. Tetrahedron 1997, 53, 13221 Ireland, R. E.; Liu, L.; Roper, T. D.; Gleason, J. L. Tetrahedron 1997, 53, 13257.
    • (1997) Tetrahedron , vol.53 , pp. 13221
    • Ireland, R.E.1    Liu, L.2    Roper, T.D.3
  • 14
    • 0030750871 scopus 로고    scopus 로고
    • (f) For a recent total synthesis of FK-506 and other references to synthetic work in this field, see: Ireland, R. E.; Liu, L.; Roper, T. D. Tetrahedron 1997, 53, 13221 Ireland, R. E.; Liu, L.; Roper, T. D.; Gleason, J. L. Tetrahedron 1997, 53, 13257.
    • (1997) Tetrahedron , vol.53 , pp. 13257
    • Ireland, R.E.1    Liu, L.2    Roper, T.D.3    Gleason, J.L.4
  • 33
    • 0344931574 scopus 로고    scopus 로고
    • note
    • We were mindful of possible side reactions in this last step: sensitivity of the primary amide group and secondary alcohol group toward oxidation, β-elimination of the free threonine hydroxyl in the conversion of 9 to 1. These concerns were allayed by model studies of primary amide units and threonine residues in small peptides, which were stable to the conditions of low-temperature ozonolysis.
  • 34
    • 0344069407 scopus 로고    scopus 로고
    • note
    • 1H NMR peaks corresponding to the methine and methylene protons at the γ and δ positions of Dah were indistinguishable from the corresponding absorptions in the natural products. There were no additional peaks in the synthetic product to indicate any epimerization.


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