2 article(s) from Kumar, Raju Ranjith
- Full Research Paper
- Published 31 Aug 2020
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Figure 1: Examples of biologically active oxazole and aminothiazole scaffolds.
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Scheme 1: Strategies for the synthesis of 2,4,5-trisubstituted oxazole from azirine. a) I2, PPh3; b) NaH, 1H-...
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Scheme 2: Scope of the α-azidochalcones. The reactions were carried out at reflux temperature, using 1 (1 mmo...
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Scheme 3: Large-scale synthesis of 3i.
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Figure 2: Large-scale synthesis of 3i. a) At the start of the reaction, b) after the reaction.
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Scheme 4: Acetyl derivative of 3d.
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Figure 3: ORTEP diagram of compound 5.
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Scheme 5: Synthesis of S-methyl/benzylated products 6 and 7.
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Scheme 6: Control experiments.
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Scheme 7: Plausible mechanism proposed for the formation of 2,4,5-trisubstituted oxazoles 3.
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Scheme 8: Reaction of vinyl azide 1 and 3 with ferric nitrate. Reactions were carried out at reflux temperatu...
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Figure 4: X-ray crystal structure of 4h.
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- Full Research Paper
- Published 22 Nov 2018
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Figure 1: Examples of biologically important cycloalkyl-fused pyridines.
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Scheme 1: Synthesis of 3-oxopropanenitriles 3.
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Scheme 2: Proposed mechanism for the formation of 7f.
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Scheme 3: Synthesis of indole–cyclododeca[b]pyridine-3-carbonitriles 7 and 14.
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Figure 2: Axial chirality due to restricted C–C bond rotation (representative cases).
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Figure 3: ORTEP diagram of 12r.
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Scheme 4: Synthesis of indole–cycloalkyl[b]pyridine-3-carbonitrile hybrids 15–18.
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Figure 4: ORTEP diagram of 16f.
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