INDEPENDENT CAREER AT IIT ROPAR:

30. Nand Lal, Sanket B. Shirsath, P. Singh, Deepshikha, and A. C. Shaikh,* Allylsilane as a versatile handle in photoredox catalysis. 

Chem. Commun., 2024, Advance Article. 

https://doi.org/10.1039/D4CC00734D

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29. P. Singh, Nand Lal, and A. C. Shaikh,* Solvated Electrons: Dynamic Reductant in Visible Light Photoredox Catalysis. Adv. Synth. Catal. 10.1002/adsc.202400001.

https://onlinelibrary.wiley.com/doi/epdf/10.1002/adsc.202400001

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28. P. Singh and A. C. Shaikh,* Photochemical Sonogashira Coupling   Reactions: Beyond Traditional Palladium-Copper Catalysis. Chem. Commun. 2023, 59, 11615-11630. DOI: 10.1039/D3CC03855F.

 

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WORK AT POSTDOCTORAL STUDIES:

27. Md Mubarak Hossain, Aslam C. Shaikh, Ramandeep Kaur, and Thomas L. Gianetti, "Red Light–Blue Light Chromoselective C(sp2)–X Bond Activation by Organic Helicenium-Based Photocatalysis", J. Am. Chem. Soc. 2024, 146, 12, 7922–7930. (IIT Ropar affiliation)

https://doi.org/10.1021/jacs.3c13380.

26. M. Barsukova, A. Sapianik, V. Guillerm, A. Shkurenko, A. C. Shaikh, P. Parvatkar, P. Bhatt, M. Bonneau, A. Alhaji, O. Shekhah, S. R.G. Balestra, R. Semino, G. Maurin and M. Eddaoudi, "Face-directed assembly of tailored isoreticular MOFs using centering structure-directing agents, Nature Synthesis, 2023, Accepted. doi.org/10.1038/s44160-023-00401-8.

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25. A. El-Zohry, T.  Solling, A. Hussien, O.  Shekhah,  A. C. Shaikh, and M. Eddaoudi, A The Charge Transfer Process of Solvated Hydrogen-Bonded Organic Network, The Journal of Physical Chemistry, 2023,  127, 9050–9057

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24. P. T. Parvatkar,  S. Kandambeth, A. C. Shaikh, I. Nadinov, J. Yin, V. S. Kale, G. Healing, A.-H. Emwas, O.  Shekhah, O. F. Mohammed and M. Eddaoudi, A Tailored COF for Visible-light Photosynthesis of 2,3-Dihydrobenzofurans, J.Am. Chem.Soc. 2023, 145, 5074–5082. doi.org/10.1021/jacs.2c10471.

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23.  A. C. Shaikh, Md M. Hossain, J. Moutet, A. Kumar, R. Kaur, B. Thompson, V. Huxter, and T. L. Gianetti, Isolated Neutral [4]Helicene Radical Provides Insight into Consecutive Two-Photon Excitation Photocatalysis; ChemRxiv preprint: doi.org/10.26434/chemrxiv-2022-6qpb8.

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22. Md M. Hossain*, A. C. Shaikh*, J. Moutet, and T. L. Gianetti; Photocatalytic α-Arylation of cyclic ketones; Nature Synthesis, 2022, 1, 147-157. DOI: 10.1038/s44160-021-00021-0; (*work equally contributed); ChemRxiv.:  doi.org/10.33774/chemrxiv-2021-gsq6s.

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21. A. C. Shaikh, J. M. Veleta, J. Moutet and T. L. Gianetti, Trioxatriangulenium (TOTA+) as a Robust Carbon-based Lewis Acid in Frustrated Lewis Pair Chemistry; Chem. Sci., 2021 12, 4841-4849 (Impact factor-9.969); ChemRxiv.: DOI-10.26434/chemrxiv.13071821. doi.org/10.1039/D0SC05893A.

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20. A. C. Shaikh, J. Moutet, J. M. Veleta, Md M.Hossain, J. Bloch, A. V. Astashkin and T. L. Gianetti, Persistent, Highly Localized, and Tunable [4]Helicene Radicals; Chem. Sci., 2020, 11, 11060-11067 (Impact factor-9.969);  ChemRxiv. doi.org/10.26434/ chemrxiv.12408245.v2. doi.org/10.1039/D0SC04850J.

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19. A. C. Shaikh, J. M. Veleta, J. Bloch, H. J. Goodman, T. L. Gianetti, Syntheses of Phosphonium salt from Phosphines and carbenium: Efficient CO2 Fixation and Phase-Transfer Catalysts; Eur. J. Org. Chem., 2020, 17, 2553 - 2559. (Impact factor-3.261) doi.org/10.1002/ejoc.202000221.

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18. A. J. Smaligo, J. Wu, N. R. Burton, A. S. Hacker, A. C. Shaikh, J. C. Quintana, R. Wang, C. Xie, and O. Kwon, Oxodealkenylative cleavage of alkene C(sp3)–C(sp2) bonds: A practical method for introducing carbonyls in chiral pool materials; Angew. Chem. Int. Ed. 2020, 59, 1211 –1215. (Impact factor-16.82).  doi.org/10.1002/anie.201913201.

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17. A. C. Shaikh and Ohyun Kwon, Phosphine-Catalyzed [3 + 2] Annulation: Synthesis of Ethyl 5-(tert-Butyl)-2-Phenyl-1-Tosyl-3-Pyrroline-3-Carboxylate; Org. Synth. 2019, 96, 214-231. (Impact factor-0.48)  doi.org/10.15227/orgsyn.096.021.

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16. A. C. Shaikh and Ohyun Kwon, Phosphine-Catalyzed [4+2] Annulation: Synthesis of Ethyl 6-Phenyl-1-Tosyl-1,2,5,6-Tetrahydropyridine-3-Carboxylate; Org. Synth. 2019, 96, 110-123. (Impact factor-0.48)  doi.org/10.15227/orgsyn.096.0110.

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WORK AT DOCTERAL STUDIES:

15. A. C. Shaikh, S. Banerjee, R. D. Mule, Saibal Bera and N. T. Patil, External Oxidant-Dependent Reactivity Switch in Copper-Mediated Intramolecular Carboamination of Alkynes: Access to New Classes of Fluorescent Ionic Nitrogen-Doped Polycyclic Aromatic Hydrocarbons; J. Org. Chem., 2019, 84, 4120–4130. (Impact factor-4.354) doi.org/10.1021/acs.joc.9b00120.

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14. A. C. Shaikh, M. E. Varma, R. D. Mule, S. Banerjee, P. P. Kulkarni, and N. T. Patil, Ionic Pyridinium-Oxazole Dyads: Design, Synthesis, and their Application in Mitochondrial Imaging; J. Org. Chem., 2019, 84, 1766–1777. (Impact factor-4.354) doi.org/10.1021/acs.joc.8b02528.

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13. A. C. Shaikh, D. S. Ranade, P. R. Rajamohanan, P. P. Kulkarni, and N. T. Patil, Oxidative Intramolecular 1,2-Amino-oxygenation of Alkynes under Au(I)/Au(III)-Catalysis: Discovery of Pyridinium-Oxazole Dyad as Novel Ionic Fluorophore; Angew. Chem. Int. Ed., 2017, 56, 757-761. (Impact factor-16.82)  doi.org/10.1002/anie.201609335.

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12. A. C. Shaikh, D. R. Shinde, and N. T. Patil, Gold vs Rhodium Catalysis: Tuning Reactivity through Catalyst Control in the C-H Alkynylation of Isoquinolones; Org. Lett., 2016, 18, 1056-1059. (Highlihted in ChemInform Abstract) (Impact factor-6.005) doi.org/10.1021/acs.orglett.6b00175.

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11. A. C. Shaikh, D. S. Ranade, S. Thorat, A. Maity, P. P. Kulkarni, R. G. Gonnade, P. Munshi, and N. T. Patil, Highly Emissive Organic Solids with Remarkably Broad Color Tunability Based on N, C Chelate Four-Coordinate Organoborons; Chem. Commun., 2015, 51, 16115-16118. (Impact factor-6.222) doi.org/10.1039/C5CC06351E.

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10. A. C. Shaikh, S. Shalini, R. Vaidhyanathan, M. V. Mane, A. K. Barui, C. R. Patra, Y. Venkatesh, P. R. Bangal, and N. T. Patil, Identifying Solid Luminogens through Gold-catalyzed Intramolecular Hydroarylation of Alkynes; Eur. J. Org. Chem., 2015, 4860-4867. (Impact factor-3.261) doi.org/10.1002/ejoc.201500503.

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9. D. More, G. Shinde, A. C. Shaikh and M. Muthukrishnan, Oxone Promoted Dehydrogenative Povarov Cyclization of N-Aryl Glycine Derivatives: An Approach towards Quinoline Fused Lactones and Lactams; RSC Adv., 2019, 9, 30277-30291. (Impact factor-3.73)  doi.org/10.1039/C9RA06212B.

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8. G. S. Ghotekar, S. R. Shirsath, A. C. Shaikh and M. Muthukrishnan, Palladium-catalyzed [4+2] annulation of Sulfonyl allenols with p-Quinone Methides: Highly Regio- and Diastereoselective Access to Spiro[5.5]undeca-1,4-dien-3-one Scaffolds; Chem. Commun., 2020, 56, 5022-5025. (Impact factor-6.222)  doi.org/10.1039/D0CC01005G.

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7. G. S. Ghotekar, A. C. Shaikh and M. Muthukrishnan, Transition Metal Free Benzannulation of tricarbonyl Derivatives with Arynes: Facile access to 1,3-Dinaphthol Precursors for the Synthesis of Rhodamine dye Analogues; J. Org. Chem., 2019, 84, 2269–2276. (Impact factor-4.354) doi.org/10.1021/acs.joc.8b02560.

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6. R. D. Mule, A. C. Shaikh, Amol B. Gade, S. Bera, and N. T. Patil, A new class of N-doped ionic PAHs via intramolecular [4+2]-cycloaddition between arylpyridines and alkynes; Chem. Commun., 2018, 54, 11909-11912. (Highlighted in Synfacts 02-01-2019, 15(01), 0015, DOI: 10.1055/s-0037-1611930) (Impact factor-6.222) doi.org/10.1039/C8CC05743E.

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5. S. R. Shirsath, G. H. Shinde, A. C. Shaikh and M. Muthukrishnan, Accessing the α-aryl Nitriles via BF3.OEt2 Mediated Cyanation of para-Quiononemethides using ter-Butyl isocyanide as a Cyanide source; J. Org. Chem., 2018, 83, 12305–12314. (Impact factor-4.354)   doi.org/10.1021/acs.joc.8b01926.

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4. V. Nalla,  G. S. Ghotekar, M. B. Thoke, R. Velayudham, A. C. Shaikh, M. Karthikeyan and M. Muthukrishnan, Transition Metal Free Regio-selective C-H Hydroxylation of Chromanones towards Synthesis of Hydroxyl-Chromanones using PhI(OAc)2 as an Oxidant; Chem. Commun., 2018, 54, 2252-2255. (Impact factor-6.222) doi.org/10.1039/C7CC08588E.

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3. V. Nalla, A. C. Shaikh, S. Bapat, R. Vyas, M. Karthikeyan, P. Yogeeswari, D. Sriram, and M. Muthukrishnan, Identification of potent chromone embedded [1,2,3]-triazoles as novel antitubercular agents; RSC Open Science, 2018, 5, 171750. (Impact factor-2.963) doi.org/10.1098/rsos.171750.

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2. P. S. Shinde, A. C. Shaikh, and N. T. Patil, Efficient Access to Alkynylated Quinalizinones via Gold(I)- catalyzed Aminoalkynylation of Alkynes; Chem. Commun., 2016, 52, 8152-8155. (Highlihted in ChemInform Abstract) (Impact factor-6.222) doi.org/10.1039/C6CC03414D.

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1. A. H. Bansode, A. C. Shaikh, R. D. Kavthe, S. Thorat, R. G. Gonnade, and N. T. Patil, Catalyst Dependent Selectivity in Relay Catalytic Branching Cascade; Chem. Eur. J., 2015, 21, 2319-2323. (Selected as a Hot Article and Inside Back Cover) (Impact factor-5.020) doi.org/10.1002/chem.201405736

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LIST OF PATENTS:

1. N. T. Patil, A. C. Shaikh, P. P. Kulkarni, D. S. Ranade; Pyridinium oxazole dyad scaffold and a process for preparation thereof; U. S. Patent-US10711012B2 (Application granted on 2020-07-14, filling date: 2017-10-17); U. S. Patent- US11021490B2 (Application granted on 2021-06-01, filing date: 2020-02-26); WIPO (PCT) WO2018073838A1 (Publication date: 2018-04-26, filling date: 2017-10-17); Indian Patent: IN 201611035581 (Filling date: 2016-10-18).

2. N. T. Patil, A. C. Shaikh; N C-Chealtes four-coordinate organoborones with full colour tenability; U. S. Patent-US10301330B2 (Application granted on 2019-05-28, filling date: 2016-06-22); WIPO (PCT)- WO2016207910A1 (Publication date: 2016-12-29, filling date: 2016-06-22); Indian Patent: IN 2015DE01844 (filling date: 2016-06-22)

3. O. Kwon, C. Xie, J. Zhao, N. J. Dupper, A. C. Shaikh, J.-N. Chen and A. Langenbacher, Compounds, compositions, and methods for modulating calcium ion homeostasis; WIPO (PCT)- WO2021163493A1 (Publication date: 2021-08-19, filling date: 2021-02-12; U. S. Patent- US202062975541P, Application number- PCT/US2021/017869 (Filing date: 2021-02-12).