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1 article(s) from Ghosh, Angana

Convergent synthesis of the pentasaccharide repeating unit of the biofilms produced by Klebsiella pneumoniae

Arin Gucchait,
Angana Ghosh and
Anup Kumar Misra

Beilstein J. Org. Chem. 2019, 15, 431–436, doi:10.3762/bjoc.15.37

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Figure 1: Structure of the synthesized pentasaccharide corresponding to the repeating unit of the biofilms pr...

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Scheme 1: Reagents and conditions: (a) i: Bu₂SnO, CH₃OH, 80 °C, 2 h; ii: allyl bromide, CsF, DMF, 65 °C, 6 h;...

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Scheme 2: Reagents and conditions: (a) Benzoyl chloride, pyridine, 0 °C, 3 h, 75%; (b) Tf₂O, BSP, TTBP, CH₂Cl₂...

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Scheme 3: Reagents and conditions: (a) TMSOTf, CH₂Cl₂, −10 °C, 30 min, 45%; (b) NIS, TMSOTf, MS 4 Å, CH₂Cl₂, ...

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Scheme 4: Reagents and conditions: (a) NIS, TMSOTf, MS 4 Å, CH₂Cl₂, −50 °C, 2 h, 70%; (b) benzyl bromide, NaO...

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Published 13 Feb 2019

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