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Volumn 133, Issue 50, 2011, Pages 20033-20035

Aziridine-mediated ligation and site-specific modification of unprotected peptides

Author keywords

[No Author keywords available]

Indexed keywords

N-TERMINALS; NUCLEOPHILIC RING-OPENING; REGIO-SELECTIVE; SIDE-CHAINS; SITE-SPECIFIC MODIFICATIONS; STEREO-SELECTIVE; THIOACIDS;

EID: 83755171494     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja207133t     Document Type: Article
Times cited : (57)

References (31)
  • 19
    • 78649509630 scopus 로고    scopus 로고
    • Danishefsky has reported the HOBt-mediated oxidative coupling of peptide thioacids and free N-terminal peptides. This method is not compatible with unprotected sidechain amines.
    • Danishefsky has reported the HOBt-mediated oxidative coupling of peptide thioacids and free N-terminal peptides. This method is not compatible with unprotected sidechain amines. Wang., P.; Danishefsky, S. J. J. Am. Chem. Soc. 2010, 132, 17045-17051
    • (2010) J. Am. Chem. Soc. , vol.132 , pp. 17045-17051
    • Wang, P.1    Danishefsky, S.J.2
  • 24
    • 0029559773 scopus 로고
    • The C2-selective opening of NH aziridine-2-carbonyl-terminated peptides (formed in situ from β-bromoalanylpeptides) by peptide thioacids to give a β-peptide linkage (after S - to N -acyl transfer) was originally observed by Tam et al.
    • The C2-selective opening of NH aziridine-2-carbonyl-terminated peptides (formed in situ from β-bromoalanylpeptides) by peptide thioacids to give a β-peptide linkage (after S-to N -acyl transfer) was originally observed by Tam et al.: Tam, J. P.; Lu, Y. A.; Liu, C. F.; Shao, J. Proc. Natl. Acad. Sci. U.S.A. 1995, 92, 12485-12489
    • (1995) Proc. Natl. Acad. Sci. U.S.A. , vol.92 , pp. 12485-12489
    • Tam, J.P.1    Lu, Y.A.2    Liu, C.F.3    Shao, J.4
  • 25
    • 77955586031 scopus 로고    scopus 로고
    • Recently, a convergent synthesis of protected peptidomimetics via the coupling of protected peptide thioacids and protected 2-aziridinylmethylpeptides was reported
    • Recently, a convergent synthesis of protected peptidomimetics via the coupling of protected peptide thioacids and protected 2-aziridinylmethylpeptides was reported: Assem, N.; Natarajan, A.; Yudin, A. K. J. Am. Chem. Soc. 2010, 132, 10986-10987
    • (2010) J. Am. Chem. Soc. , vol.132 , pp. 10986-10987
    • Assem, N.1    Natarajan, A.2    Yudin, A.K.3
  • 29
    • 0030963854 scopus 로고    scopus 로고
    • 6 is known to promote the N-acylation of primary amines via dithioacids
    • 6, is known to promote the N-acylation of primary amines via dithioacids: Liu, R.; Orgel, L. E. Nature 1997, 389, 52-54
    • (1997) Nature , vol.389 , pp. 52-54
    • Liu, R.1    Orgel, L.E.2
  • 30
    • 0034655782 scopus 로고    scopus 로고
    • Thioacid 8 was prepared from commercially available Ac-Phe-OH [(1) NHS, DCC, DCM, rt, 4 h; (2) NaHS, MeOH, 63% yield] using a known method
    • Thioacid 8 was prepared from commercially available Ac-Phe-OH [(1) NHS, DCC, DCM, rt, 4 h; (2) NaHS, MeOH, 63% yield] using a known method: Goldstein, A. S.; Gelb, M. H. Tetrahedron Lett. 2000, 41, 2797-2800
    • (2000) Tetrahedron Lett. , vol.41 , pp. 2797-2800
    • Goldstein, A.S.1    Gelb, M.H.2
  • 31
    • 0030033749 scopus 로고    scopus 로고
    • MS analysis of this coupling reaction indicated predominant formation of a disulfide corresponding to intermediate 12, which implies that the free thiol may be undergoing an in situ protection. Reductive disulfide cleavage likely occurs during the workup with aqueous NaSH, which can act as a reducing agent. Minor products emanating from perthioester intermediates were also detected. See
    • MS analysis of this coupling reaction indicated predominant formation of a disulfide corresponding to intermediate 12, which implies that the free thiol may be undergoing an in situ protection. Reductive disulfide cleavage likely occurs during the workup with aqueous NaSH, which can act as a reducing agent. Minor products emanating from perthioester intermediates were also detected. See: Liu, C. F.; Rao, C.; Tam, J. P. Tetrahedron Lett. 1996, 37, 933-936
    • (1996) Tetrahedron Lett. , vol.37 , pp. 933-936
    • Liu, C.F.1    Rao, C.2    Tam, J.P.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.