메뉴 건너뛰기




Volumn 70, Issue 11, 1997, Pages 2719-2725

Enzymatic Synthesis of 4-Methylumbelliferyl Glycosides of Trisaccharide and Core Tetrasaccharide, Gal(β1-3)Gal(β1-4)Xyl and GlcA(β1-3)Gal(β1-3)Gal(β-4)Xyl, Corresponding to the Linkage Region of Proteoglycans

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0000689585     PISSN: 00092673     EISSN: None     Source Type: Journal    
DOI: 10.1246/bcsj.70.2719     Document Type: Article
Times cited : (21)

References (43)
  • 9
    • 0005591115 scopus 로고    scopus 로고
    • For some recent reviews see: a) C.-H. Wong, R. L. Halcomb, Y. Ichikawa, and T. Kajimoto, Angew. Chem., Int. Ed. Engl., 34, 521 (1995) b) M. M. Palcic and O. Hindsgaul, Trends Glysosci. Glycotechnol., 8, 37 (1996).
    • (1996) Trends Glysosci. Glycotechnol. , vol.8 , pp. 37
    • Palcic, M.M.1    Hindsgaul, O.2
  • 33
    • 1542685048 scopus 로고    scopus 로고
    • note
    • In fact, NMR signals of aromatic protons of 5 shifted upfield by mixing with 4 in an aqueous solution, indicating mutual assembly through a face-to-face like interaction: Upfield shifts of 0.036 and 0.040 ppm were observed in the chemical shifts of the m- and o-protons of p-nitrophenyl group of 5 (26.5 mM), respectively, by adding 4 (0.5 mol amt. to 5).
  • 34
    • 1542685051 scopus 로고    scopus 로고
    • note
    • 4b)
  • 36
    • 33845280315 scopus 로고
    • Regioselective acetylation of carbohydrates by the use of lipase: a) W. J. Hennen, H. M. Sweers, Y-F. Wang, and C.-H. Wong, J. Org. Chem., 53, 4939 (1988) b) M. Therisod and A. M. Klivanov, J. Am. Chem. Soc., 108, 5638 (1986) c) H. Waldmann, in "Enzyme Caralysis in Organic Synthesis," ed by K. Drauz and H. Waldmann, VCH, Weinheim (1995), Vol. 2, pp. 868-882.
    • (1988) J. Org. Chem. , vol.53 , pp. 4939
    • Hennen, W.J.1    Sweers, H.M.2    Wang, Y.-F.3    Wong, C.-H.4
  • 37
    • 0346996064 scopus 로고
    • Regioselective acetylation of carbohydrates by the use of lipase: a) W. J. Hennen, H. M. Sweers, Y-F. Wang, and C.-H. Wong, J. Org. Chem., 53, 4939 (1988) b) M. Therisod and A. M. Klivanov, J. Am. Chem. Soc., 108, 5638 (1986) c) H. Waldmann, in "Enzyme Caralysis in Organic Synthesis," ed by K. Drauz and H. Waldmann, VCH, Weinheim (1995), Vol. 2, pp. 868-882.
    • (1986) J. Am. Chem. Soc. , vol.108 , pp. 5638
    • Therisod, M.1    Klivanov, A.M.2
  • 38
    • 0011861953 scopus 로고
    • ed by K. Drauz and H. Waldmann, VCH, Weinheim
    • Regioselective acetylation of carbohydrates by the use of lipase: a) W. J. Hennen, H. M. Sweers, Y-F. Wang, and C.-H. Wong, J. Org. Chem., 53, 4939 (1988) b) M. Therisod and A. M. Klivanov, J. Am. Chem. Soc., 108, 5638 (1986) c) H. Waldmann, in "Enzyme Caralysis in Organic Synthesis," ed by K. Drauz and H. Waldmann, VCH, Weinheim (1995), Vol. 2, pp. 868-882.
    • (1995) Enzyme Caralysis in Organic Synthesis , vol.2 , pp. 868-882
    • Waldmann, H.1
  • 40
    • 1542580261 scopus 로고    scopus 로고
    • note
    • Since the 6′-O-acetyl group in 7 was partially cleaved or migrated when the mixture was heated at 80°C in a phosphate buffer (pH 7.3) to dissolve 7, its supersaturated solution was prepared as described in the experimental section. The 6′-O-acetyl group in 7 was neither cleaved nor migrated under the enzymatic reaction conditions (pH 7.3, 37°C).
  • 42
    • 1542685049 scopus 로고    scopus 로고
    • note
    • Unit Definition: One unit of the enzyme hydrolyzes 1.0 μmol of ο-nitrophenyl β-D-galactopyranoside to ο-nitrophenol and D-galactose per min at pH 7.3 and 37°C.
  • 43
    • 1542580262 scopus 로고    scopus 로고
    • note
    • Unit difinition: One modified "Fishman" unit of the enzyme liberates 1.0 μg of phenolphthalein from phenolphthalein glucuronide per hour at pH 5.0 and 37°C.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.