2 article(s) from Kumar, Sumit
- Full Research Paper
- Published 11 Jan 2022
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Graphical Abstract
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Figure 1: Structure of AZT and representative related bicyclic nucleosides.
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Scheme 1: Retrosynthetic routes for the synthesis of (5′R)-3′-azido-3′-deoxy-2′-O,5′-C-bridged-β-ᴅ-homoarabin...
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Scheme 2: Synthesis of 3′-azido-3′-deoxy-β-ᴅ-allofuranosylthymine (14a) and -uracil (14b).
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Scheme 3: Biocatalytic acetylation of the primary hydroxy group of nucleosides 14a,b.
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Scheme 4: Synthesis of (5'R)-3′-azido-3′-deoxy-2′-O,5′-C-bridged-β-ᴅ-homoarabinofuranosyl nucleosides 9a,b.
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Scheme 5: Chemical synthesis of nucleosides 9a,b starting from diacetone ᴅ-glucofuranose.
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Figure 2: Structure elucidation of (5′R)-3′-azido-3′-deoxy-2′-O,5′-C-bridged-β-ᴅ-homoarabinofuranosylthymine (...
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Scheme 6: a) Plausible mechanism for the synthesis of (5′R)-3′-azido-3′-deoxy-2′-O,5′-C-bridged-β-ᴅ-homoarabi...
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- Letter
- Published 23 Jul 2021
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Scheme 1: Photocatalyzed aerobic oxidation of aromatic alcohols.
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Scheme 2: Substrate scope. Reaction conditions as given in Table 1 (entry 1). Yields are isolated yields, average of...
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Scheme 3: Selective oxidation of 3-bromobenzyl alcohol in the presence of 3-phenylpropanol. Compound 1af was ...
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Figure 1: Mechanistic studies. (A): UV–vis spectra of the CeIV(OBn)Cln complex in CH3CN under blue light irra...
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