2 article(s) from Mukhopadhyay, Chhanda
- Full Research Paper
- Published 27 Apr 2022
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Figure 1: Representative bioactive dispirooxindoles.
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Scheme 1: Reductive cyclization for the synthesis of dispirocyclopentanebisoxindole derivatives.
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Scheme 2: Substrate scope of product 3 (part 1). Reaction conditions: substrates: 1 (1 mmol) and 2 (0.5 mmol)...
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Scheme 3: Substrate scope of product 3 (part 2). Reaction conditions: substrates: 1 (1 mmol) and 2 (0.5 mmol)...
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Figure 2: ORTEP diagram of product 3g (CCDC NO. 2072521).
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Figure 3: NOESY Spectra of compound 3e.
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Scheme 4: Plausible mechanism of the reaction.
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Figure 4: HRMS spectrum of the crude reaction mixture after 1 hour of the reaction.
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Scheme 5: Control experiment.
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- Full Research Paper
- Published 25 Jan 2022
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Figure 1: FTIR spectra of (a) the Ni–chitosan NPs and (b) bare chitosan.
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Figure 2: PXRD data for the Ni–chitosan NPs.
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Figure 3: TEM (a and b) and SEM images (c and d) of the Ni–chitosan NPs.
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Figure 4: EDX spectrum of the Ni–chitosan NPs.
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Figure 5: Synthesis of dialkyl 1,4-dihydropyridine-2,3-dicarboxylate derivatives.
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Figure 6: ORTEP representation of product 4a (CCDC 1949329).
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Scheme 1: A plausible mechanistic route for the synthesis of C5–C6-unsubstituted 1,4-DHP derivatives using th...
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Figure 7: Recycling experiment of the Ni–chitosan nanocatalyst.
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