7 results on '"Shanmugam, Ponnusamy"'
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2. A facile and efficient synthesis of 3-spirocyclopentene-2-oxindoles via palladium mediated vinylcyclopropane–cyclopentene rearrangement of oxindole derived vinylcyclopropanes.
3. Unusual reactivity of 1-aminoanthraquinone in copper catalyzed multicomponent reaction with isatins and aryl alkynes: synthesis and photophysical properties of regioisomeric fluorescent 3-spiroheterocyclic 2-oxindoles
4. Synthesis of Highly Functionalized Allene-Appended Oxindoles and 2-Oxo-1,2-dihydroindol-3-ylidene-2,5-dihydrofurans via Claisen Rearrangement and Cyclization.
5. ChemInform Abstract: Unprecedented One-Pot, Domino Tertiary Alcohol Protection-Michael Type Addition of Halides to Morita-Baylis-Hillman Adduct of Isatin with RCOX/K2CO3: Diastereoselective Synthesis of Oxindole Appended β-Halo Esters.
6. Azomethine ylide [3 + 2]-cycloaddition of 3-alkylidene-7-aza-2-indolone: Synthesis of 3,3′-dispiropyrrolidine- and 3,3′-dispiropyrrolizidine bis 7-aza-2-oxindoles.
7. Nucleophilic substitution reaction of Morita–Baylis–Hillman adducts of isatin with X, S, N, and O-nucleophiles: a facile and efficient synthesis of highly functionalized tetrasubstituted alkene appended oxindoles
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