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Y. - R.  Chen, Das, U., Liu, M. - H., and Lin, W., ?Organocatalytic enantioselective direct vinylogous michael addition of alpha,beta-unsaturated gamma-butyrolactam to beta-acyl acrylates and 1,2-diacylethylenes?, Journal of Organic Chemistry, vol. 80, no. 3, pp. 1985-1992, 2015.\par \par A. K.  Mahida, Kale, S. B., and Das, U., ?Synthesis route to pyrrolones from -cyano ,-unsaturated ketones and -isocyano esters by oxidative dearomatization of 2-aminofuran intermediates?, European Journal of Organic Chemistry, no. 43, pp. 6427-6433, 2017.\par \par S. K.  Deepake, Lanjewar, A. B., Thatikonda, T., Gonnade, R. G., and Das, U., ?Organocatalytic asymmetric cascade reaction of gamma-substituted deconjugated butenolides with o-formyl-beta-nitrostyrene?, ChemistrySelect, vol. 3, no. 28, pp. 8189-8192, 2018.\par \par S. B.  Kale, Jori, P. K., Thatikonda, T., Gonnade, R. G., and Das, U., ?1,6-Conjugate-addition-induced [2+1] annulation of para-quinone methides and pyrazolones: synthesis of bis-spiro compounds with contiguous quaternary spiro-centers?, Organic Letters, vol. 21, no. 19, pp. 7736-7740, 2019.\par \par T.  Thatikonda, Deepake, S. K., and Das, U., ?Alpha-Angelica lactone in a new role: facile access to N-Aryl tetrahydroisoquinolinones and isoindolinones via organocatalytic alpha-CH2 oxygenation?, Organic Letters, vol. 21, no. 8, pp. 2532-2535, 2019.\par \par T.  Thatikonda, Deepake, S. K., Kumar, P., and Das, U., ?Alpha-Angelica lactone catalyzed oxidation of benzylic sp(3) C-H bonds of isochromans and phthalans?, Organic & Biomolecular Chemistry, vol. 18, no. 21, pp. 4046-4050, 2020.\par \par P.  Kumar, Kale, S. B., Gonnade, R. G., and Das, U., ?Acid mediated sulfonylation of para-quinone methides with tosylmethyl isocyanides for the synthesis of diarylmethyl sulfones?, ChemistrySelect, vol. 6, no. 28, pp. 7158-7161, 2021.\par \par S. K.  Deepake, Kumar, M., Kumar, P., and Das, U., ?Alpha-angelica lactone catalyzed oxidation of pyrrolidines to lactams?, European Journal of Organic Chemistry, vol. 2022, no. 31, p. e202200712, 2022.\par \par S. B.  Kale, Jori, P. K., and Das, U., ?Rongalite as a sulfone source: sulfonylation of para-quinone methides and alkyl/allyl halides?, Chemistry-an Asian Journal, vol. 17, no. 16, p. e202200408, 2022.\par \par P.  Kumar, Rai, A., Kumar, M., Krishna, G. Rama, and Das, U., ?Radical cascade cyclization of unactivated alkene-tethered indoles with aryldiazonium salt and sodium metabisulfite to access Azo- and Sulfonylated-2,3-Dihyro-1H-pyrrolo[1,2-a]indoles?, Journal of Organic Chemistry, vol. 88, no. 13, pp. 9123-9129, 2023.\par \par S. B.  Kale, Kumar, M., Shinde, D. R., Krishna, G. Rama, and Das, U., ?Synthesis of N-functionalized 2,3-disubstituted benzofurans/naphthofurans from para-quinone methides and isocyanides via the [4+1] annulation pathway?, Organic Chemistry Frontiers, vol. 10, no. 15, pp. 3746-3751, 2023.\par \par A.  Rai and Das, U., ?Accessing meta -enone-substituted anisoles using ArN 2 BF 4 as precatalyst via rearrangement of alkyne-tethered cyclohexadienones?, Synthesis-Stuttgart, vol. 56, no. 16, pp. 2499-2506, 2024.\par \par A.  Rai and Das, U., ?Reaction of 4 (Alkynyloxy)cyclohexa-2,5-dienones with Dimethyl Sulfoxide: a catalyst-free formation of 6/5/3-fused tricyclic enones?, Journal of Organic Chemistry, vol. 90, no. 1, pp. 653-657, 2024.\par \par S. B.  Kale, Patil, T. A., and Das, U., ?Rongalite as a C1 source: sulfonylmethylation of indoles with aryl/alkyl hydrazides and sulfinates?, Journal of Organic Chemistry, vol. 89, no. 16, pp. 11347-11352, 2024.\par \par A.  Rai, Kundu, A. I., Shukla, E., and Das, U., ?Ipso-cyclization via a dienone-phenol rearrangement of alkynyloxy cyclohexadienones for the synthesis of oxaspiro[4.5]trienones?, Journal of Organic Chemistry, vol. 90, no. 38, pp. 13399-13406, 2025.\par \par A.  Rai, Bajpai, P., Gamidi, R. Krishna, Vanka, K., and Das, U., ?Palladium(II)-catalyzed desymmetrization of 2-alkynylbenzoate-tethered cyclohexadienones for the synthesis of polycyclic compounds?, Organic Letters, vol. 27, no. 21, pp. 5429-5434, 2025.\par \par M.  Kumar, Kumar, P., and Das, U., ?Photocatalytic oxidation of ?-substituted amines to lactams/amides?, Advanced Synthesis & Catalysis, vol. 367, no. 3, 2025.\par \par M.  Kumar, Kale, S. B., Jawahar, S., Barkade, A. D., and Das, U., ?Synthesis of benzannulated [5,6] oxa-fused/spiro-lactones via [4+2] cycloaddition with quinone methides: new insights into deconjugated butenolide reactivity?, Journal of Organic Chemistry, vol. 90, no. 43, pp. 15185-15190, 2025.\par \par }