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Volumn 46, Issue 43, 2005, Pages 7349-7353

Solid phase synthesis of mono- or disubstituted arginine containing peptides from an isothiocitrulline precursor

Author keywords

Arginine; Fmoc NCS; Guanidine; Solid phase synthesis; Thiocitrulline

Indexed keywords

AMINE; ARGININE DERIVATIVE; CITRULLINE; LYSINE; ORNITHINE;

EID: 25444443659     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.08.120     Document Type: Article
Times cited : (7)

References (40)
  • 25
    • 25444521791 scopus 로고    scopus 로고
    • note
    • 4, tetrakis(triphenylphosphine)palladium(0); Pip, piperidine; TFA, trifluoroacetic acid; TIS, triisopropylsilane; TNBS, 2,4,6-trinitrobenzene sulfonic acid; Tos, tosyl; Trt, trityl.
  • 26
    • 25444520766 scopus 로고    scopus 로고
    • note
    • Completion of deprotection can be assessed by reverse phase HPLC detection of released Mtt; 5-10 two minute cycles were generally sufficient.
  • 30
    • 25444470238 scopus 로고    scopus 로고
    • note
    • Undesired Fmoc protection could arise from attack of the side-chain amino group at the less electrophilic carbonyl of Fmoc-NCS, see Ref. 28.
  • 31
    • 25444476707 scopus 로고    scopus 로고
    • note
    • Dry DMSO has to be used to avoid the production of more or less significant amounts of citrulline, depending on the amine reactivity.
  • 33
    • 25444521959 scopus 로고    scopus 로고
    • note
    • 6): δ 8.28 (m, 1H), 7.98-7.90 (m, 4H), 7.83 (d, J = 7.9 Hz, 1H), 7.19 (s, 1H), 7.05 (s, 1H), 4.28 (m, 1H), 4.16 (m, 1H), 4.02 (m, 1H), 3.70 (m, 2H), 3.58-2.95 (m, 10H), 2.83 (s, 3H), 2.05-1.14 (m, 8H+3H), 0.93-0.62 (m, 12H).
  • 34
    • 25444457237 scopus 로고    scopus 로고
    • note
    • 39.
  • 36
    • 25444520255 scopus 로고    scopus 로고
    • note
    • Substituting arginine with homoarginine has no adverse effect on transporter efficiency. See Ref. 3.
  • 37
    • 25444449018 scopus 로고    scopus 로고
    • note
    • Purity of the peptides was assessed by reverse-phase HPLC analysis using two sets of conditions.
  • 38
    • 25444517710 scopus 로고    scopus 로고
    • note
    • 6): δ 8.15-7.57 (m,14H), 7.55-6.71 (m, 23H), 4.14 (m, 7H), 3.27 (m, 12H), 3.16-2.75 (m, 26H), 2.07 (m, 12H), 1.86 (m, 12H), 1.81 (s, 3H), 1.71-0.85 (m, 70H).
  • 39
    • 25444440825 scopus 로고    scopus 로고
    • note
    • 3CN. Gradient, 5-60% B in A in 30 min. Flow rate, 1 mL/min.
  • 40
    • 25444452132 scopus 로고    scopus 로고
    • note
    • For instance, use of diisopropylamine produced the expected compound in low yield (17% after purification).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.