V.  Nair, Biju, A. T., Mohanan, K., and Eringathodi, S., ?Novel synthesis of highly functionalized pyrazolines and pyrazoles by triphenylphosphine mediated reaction of dialkyl azodicarboxylate with allenic esters?, Organic Letters, vol. 8, no. 11, pp. 2213?2216, 2006.

V.  Nair, Biju, A. T., Mathew, S. C., and Eringathodi, S., ?Novel reaction of the ?huisgen zwitterion? with chalcones and dienones: an efficient strategy for the synthesis of pyrazoline and pyrazolopyridazine derivatives?, Angewandte Chemie-International Edition, vol. 46, no. 12, pp. 2070?2073, 2007.

K.  Hirano, Biju, A. T., Piel, I., and Glorius, F., ?N-heterocyclic carbene-catalyzed hydroacylation of unactivated double bonds?, Journal of the American Chemical Society, vol. 131, no. 40, pp. 14190?14191, 2009.

A. T.  Biju, Wurz, N. E., and Glorius, F., ?N-heterocyclic carbene-catalyzed cascade reaction involving the hydroacylation of unactivated alkynes?, Journal of the American Chemical Society, vol. 132, no. 17, pp. 5970?5971, 2010.

A. T.  Biju, Padmanaban, M., Wurz, N. E., and Glorius, F., ?N-Heterocyclic carbene catalyzed umpolung of michael acceptors for intermolecular reactions?, Angewandte Chemie-International Edition, vol. 50, no. 36, pp. 8412-8415, 2011.

M.  Padmanaban, Biju, A. T., and Glorius, F., ?N-heterocyclic carbene-catalyzed cross-coupling of aromatic aldehydes with activated alkyl halides?, Organic Letters, vol. 13, no. 1, pp. 98?101, 2011.

A.  Bhunia, Patra, A., Puranik, V. G., and Biju, A. T., ?NHC-Catalyzed reaction of enals with hydroxy chalcones: diastereoselective synthesis of functionalized coumarins?, Organic Letters, vol. 15, no. 7, pp. 1756-1759, 2013.

S.  Mondal, Yetra, S. Reddy, Patra, A., Kunte, S. S., Gonnade, R. G., and Biju, A. T., ?N-Heterocyclic carbene-catalyzed enantioselective synthesis of functionalized cyclopentenes via alpha,beta-unsaturated acyl azoliums?, Chemical Communications, vol. 50, no. 93, pp. 14539-14542, 2014.

S.  Mukherjee, Mondal, S., Patra, A., Gonnade, R. G., and Biju, A. T., ?N-Heterocyclic carbene-catalyzed diastereoselective synthesis of ?-lactone-fused cyclopentanes using homoenolate annulation reaction?, Chemical Communications, vol. 51, no. 46, pp. 9559-9562, 2015.

A.  Patra, Mukherjee, S., Das, T. Kanti, Jain, S., Gonnade, R. Ghanshyam, and Biju, A. T., ?N - heterocyclic - carbene - catalyzed umpolung of imines?, Angewandte Chemie International Edition, vol. 56, no. 10, pp. 2730 - 2734, 2017.

S.  Mondal, Mukherjee, S., Das, T. Kanti, Gonnade, R., and Biju, A. T., ?N-Heterocyclic carbene-catalyzed aldol-lactonization of ketoacids via dynamic kinetic resolution?, ACS Catalysis, vol. 7, no. 6, pp. 3995-3999, 2017.

S.  Mondal, Ghosh, A., Mukherjee, S., and Biju, A. T., ?N-Heterocyclic carbene-catalyzed enantioselective synthesis of spiro-glutarimides via alpha,beta-unsaturated acylazoliums?, Organic Letters, vol. 20, no. 15, pp. 4499-4503, 2018.

S.  Mukherjee, Ghosh, A., Marelli, U. Kiran, and Biju, A. T., ?N-Heterocyclic carbene-catalyzed michael-michael-lactonization cascade for the enantioselective synthesis of tricyclic delta-lactones?, Organic Letters, vol. 20, no. 10, pp. 2952-2955, 2018.

F.  Gelat, Patra, A., Pannecoucke, X., Biju, A. T., Poisson, T., and Besset, T., ?N-Heterocyclic carbene-catalyzed synthesis of alpha-trifluoromethyl esters?, Organic Letters, vol. 20, no. 13, pp. 3897-3901, 2018.

S.  Mondal, Yetra, S. R., and Biju, A. T., ?N-heterocyclic carbene-catalyzed stetter reaction and related chemistry?, in N?Heterocyclic Carbenes in Organocatalysis, Wiley, 2019.

T. Kanti Das, Ghosh, A., Balanna, K., Behera, P., Gonnade, R. G., Marelli, U. Kiran, Das, A. Kumar, and Biju, A. T., ?N-Heterocyclic carbene-catalyzed umpolung of imines for the enantioselective synthesis of dihydroquinoxalines?, ACS Catalysis, vol. 9, no. 5, pp. 4065-4071, 2019.

T. Kanti Das, Madica, K., Krishnan, J., Marelli, U. Kiran, and Biju, A. T., ?N-heterocyclic carbene catalysis exploiting oxidative imine umpolung for the generation of imidoyl azoliums?, Journal of Organic Chemistry, vol. 85, no. 7, pp. 5114-5121, 2020.

T. Kanti Das and Biju, A. T., ?N-heterocyclic carbene (NHC)-catalyzed transformations for the synthesis of heterocycles?, Progress in Heterocyclic Chemistry, vol. 31, pp. 1-82, 2020.

S.  Barik, Shee, S., Das, S., Gonnade, R. G., Jindal, G., Mukherjee, S., and Biju, A. T., ?NHC-catalyzed desymmetrization of N-aryl maleimides leading to the atroposelective synthesis of N-Aryl succinimides?, Angewandte Chemie-International Edition, vol. 60, no. 22, pp. 12264-12268, 2021.

D.  Sarkar, Barik, S., Shee, S., Gonnade, R. G., and Biju, A. T., ?NHC-catalyzed enantioselective synthesis of tetracyclic ?-lactones by (4+2) annulation of ortho-quinodimethanes with activated ketones?, Organic Letters, vol. 25, no. 43, pp. 7852-7857, 2023.

K.  Balanna, Barik, S., Barik, S., Shee, S., Manoj, N., Gonnade, R. G., and Biju, A. T., ?N-heterocyclic carbene-catalyzed atroposelective synthesis of N-N axially chiral 3-amino quinazolinones?, ACS Catalysis, vol. 13, no. 13, pp. 8752-8759, 2023.