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Tetrahedron Letters
Volumn 36, Issue 10, 1995, Pages 1705-1708
Regioselective bromination of O-β-glycosylated aromatics
Author keywords

[No Author keywords available]
Indexed keywords

GLYCOSIDE; ORGANOBROMINE DERIVATIVE;
EID: 0028906610     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(95)00050-M     Document Type: Article
Times cited : (17)
References (15)
  • 3
    • 80053994421 scopus 로고
    • Phase-Transfer Catalyzed Synthesis of Acetylated Aryl β-D-Glucopyranosides and Aryl β-D-Galactopyranosides
    • (1981) Synthesis , pp. 883-885
    • Dess1    Kleine2    Weinberg3
  • 5
    • 84915399679 scopus 로고    scopus 로고
    • 4 and evaporated under reduced pressure. After silica gel chromatography, the 1-O-(2,3,4,6-tetra-O-acetyl-ß-d-glucopyranosyl)-4-bromo-phenol 1b (473mg, 0.94mmol) is obtained as a white crystal with a 94% yield.
  • 6
    • 84915399678 scopus 로고    scopus 로고
    • 13C-NMR, infrared and elementary analysis consistent with their assigned structures.
  • 10
    • 84915399677 scopus 로고    scopus 로고
    • 3) δ 7.00 (3H, m), 5.24 (2H, m), 5.14 (1H, dd, t like, J=9.9Hz), 4.90 (1H, d, J=8.0Hz), 4.25 (1H, dd, J=12.2Hz, 4.8Hz), 4.14 (1H, dd, J=12.2Hz, 2.4Hz), 3.80 [[Truncated]]
  • 15
    • 84915399674 scopus 로고    scopus 로고
    • 3 were required compared with the classic conditions (0.02%, 0.08%) to achieve coupling, which can be explained by complexing of the palladium by the acetoxy groups of the glycoside.

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.