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Volumn 3, Issue 21, 2001, Pages 3301-3304

Atom-economical synthesis of the N(10)-C(17) fragment of cyclotheonamides via a novel Passerini reaction-deprotection-acyl migration strategy1

Author keywords

[No Author keywords available]

Indexed keywords

ANTITHROMBIN; CYCLOPEPTIDE; CYCLOTHEONAMIDE A; CYCLOTHEONAMIDE C; CYCLOTHEONAMIDE D; CYCLOTHEONAMIDE E; CYCLOTHEONAMIDE E2; CYCLOTHEONAMIDE E3; PEPTIDE FRAGMENT; SERINE PROTEINASE INHIBITOR;

EID: 0035909598     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol0165239     Document Type: Article
Times cited : (54)

References (56)
  • 1
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    • note
    • Dedicated to Ruth F. Nutt, respected and admired mentor, on the occasion of her 60th birthday.
  • 2
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    • Abstracts of Papers, San Francisco, CA, March 26-30, American Chemical Society: Washington, DC, 2000; ORGN 667
    • Semple, J. E. Abstracts of Papers, 219th National Meeting of the American Chemical Society, San Francisco, CA, March 26-30, 2000; American Chemical Society: Washington, DC, 2000; ORGN 667.
    • (2000) 219th National Meeting of the American Chemical Society
    • Semple, J.E.1
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    • NS3-4A Hepatitis C protease and inhibitors thereof: (a) Bennett, J. M. et al. Bioorg. Med. Chem. Lett. 2001, 11, 355.
    • (2001) Bioorg. Med. Chem. Lett. , vol.11 , pp. 355
    • Bennett, J.M.1
  • 33
    • 0042272177 scopus 로고
    • Ugi, I., Ed.; Academic Press: New York, Chapter 7
    • (c) Authoritative review: Ugi, I. In Isonitrile Chemistry; Ugi, I., Ed.; Academic Press: New York, 1971; Chapter 7.
    • (1971) Isonitrile Chemistry
    • Ugi, I.1
  • 37
    • 0041771381 scopus 로고    scopus 로고
    • PCT Int. Appl. WO 0035868 A2, June
    • Semple, J. E.; Levy, O. E. PCT Int. Appl. WO 0035868 A2, June, 2000.
    • (2000)
    • Semple, J.E.1    Levy, O.E.2
  • 40
    • 0042773279 scopus 로고    scopus 로고
    • note
    • All new compounds were characterized by full spectroscopic (NMR, low/high resolution MS) analysis. Yields refer to spectroscopically and chromatographically homogeneous (≥95% by HPLC, TLC) materials.
  • 50
    • 0041771380 scopus 로고    scopus 로고
    • note
    • 1H), 2.70-2.89 (complex br m, 1H), 2.95 (m, 1H), 3.02-3.25 (complex m, 4H), 3.39-3.59 (m, 2H), 3.68 + 3.72 (major + minor s, 3H, ratio ∼1.4-1.6:1), 3.88 + 4.01 (2m, 1H), 4.40 (m, 1H), 4.50 (m, 2H), 4.57-4.76 (complex m, 2H), 5.03 + 5.11 (minor + major m, 1H α-CHO-acyl methine, ratio 1:2), 5.16-5.37 (m, 2H), 5.25 + 5.27 (2s, 2H), 5.85 + 5.97 (minor + major m, 1H), 6.95 (m, 2H), 7.03-7.14 (m, 4H), 7.16-7.29 (m, 3H), 7.35 (m, 1H), 7.44 (m, 2H).
  • 51
    • 0042773278 scopus 로고    scopus 로고
    • note
    • 3OD): δ 1.30-1.45 (br m, 1H), 1.48-1.75 (br m, 3H), 1.94 (m, 2H), 2.07 (m, 1H), 2.32 (br m, 1H), 2.70-3.04 (complex m, 3H), 3.07-3.28 (complex m, 3H), 3.48-3.62 (m, 2H), 3.67 (m, 1H), 3.70 + 3.72 (2s, 3H), 4.05-4.13 (m, 1H), 4.37-4.57 (m, 2H), 4.60-4.78 (complex m, 3H), 5.18-5.40 (complex m, 2H), 5.23+ 5.25 (2s, 2H), 5.86 + 5.96 (minor + major m, 1H), 6.96 (m, 2H), 7.05-7.30 (m, 7H), 7.35 (m, 1H), 7.43 (m, 2H).
  • 52
    • 0042272174 scopus 로고    scopus 로고
    • note
    • Elaboration of 14 to the corresponding protected vinylogous tyrosine (v-Tyr) intermediate could proceed via the following sequence of reactions: (a) TBDMSCl, imidazole, DMF, room temperature;
  • 53
    • 0042272176 scopus 로고    scopus 로고
    • note
    • (b) LiBH4, THF, EtOH, 0°C to room temperature;
  • 54
    • 0042272175 scopus 로고    scopus 로고
    • note
    • 3N, 5°C to room temperature;
  • 55
    • 0041771379 scopus 로고    scopus 로고
    • note
    • 2, 0°C to room temperature. Alternatively, construction of the corresponding v-Tyr analogue of 12 followed by application of the Passerini reaction, deprotection, and O-to N-acyl migration sequence may also be a viable approach to this intermediate.
  • 56
    • 0032035067 scopus 로고    scopus 로고
    • and references therein
    • For application of MCR to synthesis of macrocyclic peptides and natural products, see: Doemling, A. Comb. Chem. High Throughput Screen. 1998, 1, 1 and references therein.
    • (1998) Comb. Chem. High Throughput Screen , vol.1 , pp. 1
    • Doemling, A.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.