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Recent Publications

Solvent Dictated Organic Transformations

T. Khandelia, P. Panigrahi, S. Ghosh, R.Mandal, B. Doley, B. K. Patel*

Chem Asian J. 2024, e202400603

DOI: 10.1002/asia.202400603

Electron-donor–acceptor (EDA) complex-driven regioselective vicinal and oxidative geminal functionalization of alkynes

D Barik, N Chakraborty, A K Sahoo, H N Dhara and B K Patel*

Chem. Commun., 2024, 60, 12577-12580

DOI: 10.1039/D4CC04610B

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Harnessing reductive BF2-complexation via Ru(ii)-catalyzed N–O cleavage of isoxazoles

P Panigrahi, S Ghosh, T Khandelia, G Tripathi, R Mandal and B K Patel*

Chem. Commun., 2024, 60, 9109-9112

DOI: doi.org/10.1039/D4CC02816C

Electrochemical NH-Sulfoximidation with α-Keto Acids

T Alam, S Gupta, and B K Patel*

ChemPhysChem 2024, e202400599

DOI: doi.org/10.1002/cphc.202400599

Iodine-Promoted Sulfoximidation of Cinnamic Acids via Oxidative C═C Bond Cleavage

P Rahman, N Chakraborty, B K Patel* and K K Rajbongshi*

J. Org. Chem. 2024, 89, 10472−10484

DOI: doi.org/10.1021/acs.joc.4c00585

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Photo-Induced Generation of Oxygenated Quaternary Centers via EnT Enabled Singlet O2 Addition to C3-Maleimidated Quinoxaline: A Reagent-Less Approach

S Ghosh, T Khandelia, A Mahadevan, P Panigrahi, P Kumar, R Mandal, D Boruah, S Venkataramani* and B K Patel*

Chem. Eur. J. 2024, 30, e202400219

DOI:10.1002/chem.202400219

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Isothiocyanates: happy-go-lucky reagents in organic synthesis

B Das, A Dahiya and B K Patel*

Org. Bimol. Chem. 2024, 22, 3772-3798

DOI: 10.1039/D4OB00281D

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PIDA/I2-mediated photo-induced aerobic N-acylation of sulfoximines with methylarenes

N Chakraborty, K K Rajbongshi, A Gondaliya and B K Patel*

Org. Bimol. Chem. 2024, 22, 2375-2379

DOI: 10.1039/D4OB00175C

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Access to Chromenopyrrole via Tandem [3 + 2] Cycloaddition and Intramolecular C–O Coupling

B Das, N Chakraborty, H N Dhara, P Bhattacharyya, and B K Patel*

J. Org. Chem. 2024, 89, 1331−1335

DOI: 10.1021/acs.joc.3c02479

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Base-Promoted Synthesis of S-Arylisothiazolones via Intramolecular Dehydrative Cyclization of α-Keto-N-acylsulfoximines

N Chakraborty, B Das, D Barik, K K Rajbongshi, and B K Patel*

J. Org. Chem. 2023, 89, 778−783

DOI: 10.1021/acs.joc.3c02269

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Pd(II)-Catalyzed Three-Component Synthesis of Furo[2,3‑d]pyrimidines from β‑Ketodinitriles, BoronicAcids, and Aldehydes

H N Dhara, B Das, D Barik, S Manna, and B K Patel*

Org. Lett. 2023, 25, 9070−9075

DOI: 10.1021/acs.orglett.3c04017

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Electrochemical N-Aroylation of Sulfoximines using Benzoyl Hydrazines with H2 Generation

T Alam, and B K Patel,*

Chem. Eur. J. 2023, 30, e202303444

DOI: 10.1002/chem.202303444

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Base-Induced Decarboxylative 1,1-Alkoxy Thiolation via Hydrothiolation of Vinylene Carbonate

R Mandal, S Ghosh, T Khandelia, P Panigrahi, and B K Patel,*

J. Org. Chem. 2023, 88, 16655−16660

DOI: 10.1021/acs.joc.3c02036

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Photo-induced 1,2-thiohydroxylation of maleimide involving disulfide and singlet oxygen

T Khandelia, S Ghosh, P Panigrahi, R Mandal, D Boruah, and B K Patel,*

Chem. Commun., 2023, 59, 11196-11199

DOI: 10.1039/D3CC03296E

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Isoxazole as a nitrile synthon: en routes to the ortho-alkenylated isoxazole and benzonitrile with allyl sulfone catalyzed by Ru(II)

P Panigrahi, S Ghosh, T Khandelia, R Mandal, and B K Patel,*

Chem. Commun., 2023, 59, 10536-10539

DOI: 10.1039/D3CC02996D

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Synthesis of Chromenopyrroles (Azacoumestans) from Functionalized Enones and Alkyl Isocyanoacetates

B Das, A Dahiya, N Chakraborty, and B K Patel,*

Org. Lett. 2023, 25, 5209−5213

DOI: acs.orglett.3c01655

Metal-Free Visible-light Mediated C−S Bond Formation

Dr. A K Sahoo, D Barik, Dr. B Dam, and Prof. B K Patel,*

Asian J. Org. Chem. 2023, e202300252. DOI: 10.1002/ajoc.202300252

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Visible-light driven electron–donor–acceptor (EDA) complex-initiated synthesis of thio-functionalized pyridines

H N Dhara, A Rakshit, D Barik, K Ghosh and B K Patel*

Chem. Commun., 2023, 59, 7990-7993 DOI: 10.1039/D3CC01678A

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Mn(I)-Catalyzed Preferential Electrophilic C3-Maleimidation in Quinoxaline Leading to Spirocyclization and Dehydrogenation of Succinimides

S Ghosh , T Khandelia, P Panigrahi, R Mandal, and B K Patel,*

Org. Lett. 2023, 25, 20, 3806–3811

DOI: 10.1021/acs.orglett.3c01350

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Graphitic carbon nitride materials in dual metallo-photocatalysis: a promising concept in organic synthesis

B Dam, B Das, and B K Patel,*

Green Chem., 2023, 25, 3374-3397.

DOI: 10.1039/D3GC00669G

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NIS-initiated photo-induced oxidative decarboxylative sulfoximidation of cinnamic acids

N Chakraborty, K K Rajbongshi, A Dahiya, B Das, A Vaishnani, and B K Patel,*

Chem. Commun., 2023, 59, 2779-2782. DOI: 10.1039/D3CC00142C

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Synthetic utility of styrenes in the construction of diverse heterocycles via annulation/cycloaddition

B Das, N Chakraborty, K K Rajbongshi and B K Patel,*

Tetrahedron., 2023, 134, 133270

DOI: 10.1016/j.tet.2023.133270

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Dearomative bis-functionalization of quinoxalines and bis-N-arylation of (benz)imidazoles via Cu(II)-mediated addition of boronic acids

T Khandelia, S Ghosh, and B K Patel,*

Chem. Commun., 2023, 59, 2118-2121. DOI: 10.1039/D2CC06399A

Visible/solar-light-driven thiyl-radical-triggered synthesis of multi-substituted pyridines

A K Sahoo, A Rakshit, A Pan, H N Dhara and B K Patel,*

Org. Biomol. Chem., 2023, 21, 1680–1691

DOI: 10.1039/d3ob00009e

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Visible-Light-Mediated Solvent-Switched Photosensitizer-Free Synthesis of Polyfunctionalized Quinolines and Pyridines

H N Dhara, A Rakshit, T Alam, A K Sahoo, and B K Patel,*

Org. Lett. 2023, 25, 471–476. DOI: 10.1021/acs.orglett.2c04027

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Transformable Transient Directing Group-Assisted C(sp2)–H Activation: Synthesis and Late-Stage Functionalizations of o-Alkenylanilines

B Das, A Dahiya, AK Sahoo and B K Patel,*

J. Org. Chem. 2022, 87, 13383–13388.

DOI: 10.1021/acs.joc.2c01626

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Electrochemical Amidation: Benzoyl Hydrazine/Carbazate and Amine as Coupling Partners
T Alam, A Rakshit, H N Dhara, A Palai and B K Patel,*
Org. Lett. 2022, 24, 6619-6624
DOI: 10.1021/acs.orglett.2c02626

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The Renaissance of Organo Nitriles in Organic Synthesis

A Rakshit, H N Dhara, A K Sahoo and B K Patel,*

Chem. Asian J. 2022, 17, e202200792

DOI: 10.1002/asia.202200792

Visible-light-mediated synthesis of β-keto sulfones using g-C3N4 as recyclable photocatalyst under sustainable conditions
B Dam, A K Sahoo, and B K Patel,*
Green. Chem. 2022, 24, 7122-7130
DOI: 10.1039/D2GC02254K

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Pd(II)-Catalyzed Synthesis of Furo[2,3-b]pyridines from β-Ketodinitriles and Alkynes via Cyclization and N–H/C Annulation

A Rakshit, H N Dhara, A K Sahoo, T Alam, and B K Patel,*

Org. Lett. 2022, 24, 3741–3746 DOI: 10.1021/acs.orglett.2c01472

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Combined Power of Organo- and Transition Metal Catalysis in Organic Synthesis:

N Chakraborty, B Das, K K Rajbongshi, B K Patel,* Eur. J. Org. Chem., 2022, e202200273 DOI: 10.1002/ejoc.202200273

Metal-catalyzed reactions of organic nitriles and boronic acids to access diverse functionality

H N Dhara, A Rakshit, T Alam and B K Patel,* Org. Biomol. Chem., 2022, 20, 4243-4277.

DOI: 10.1039/D2OB00288D

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Ortho-Functionalization of Benzimidates and Benzamidines

Dr. G Borah, Dr. B Dam, Prof. Dr. B K Patel* Chem. Select. 2022, 7, e202104583.

DOI: 10.1002/slct.202104583

Visible-Light-Mediated Synthesis of Thio-Functionalized Pyrroles.

AK Sahoo, A Rakshit, A Dahiya, A Pan, B K Patel, *

Org. Lett. 2022, 24, 10, 1918-1923,

DOI: 10.1021/acs.orglett.2c00283

Visible-Light-Driven Isocyanide Insertion to o-Alkenylanilines: A Route to Isoindolinone Synthesis: A Dahiya, B Das, AK Sahoo, B K Patel,* Adv. Synth. Catal., 2022, 364, 1-9 ,
DOI: 10.1002/adsc.202101431

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Intermolecular CDC Amination of Remote and Proximal Unactivated Csp3–H Bonds Through Intrinsic Substrate Reactivity – Expanding Towards a Traceless Directing Group: S Rajamanickam, M Saraswat and S. Venkataramani B K Patel, *
Chem. Sci., 2021, 12, 15318-15328, DOI: 10.1039/D1SC04365J

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Updates on hypervalent-iodine reagents in metal-free organic synthesis: A Dahiya, AK Sahoo, N Chakraborty, B Das, B K Patel, *
Org. Biomol. Chem., 2022, 20, 2005-2027, DOI: 10.1039/D1OB02233D

Copper(I)-Mediated Cascade Annulation via Dual C–H/C–H Activation: Access to Benzo[a]carbazolic AEEgens : T Khandelia, S Ghosh, P Panigrahi, R Shome, SS Ghosh, BK Patel*J. Org. Chem. 2021, 86, 23, 16948-16964 , DOI: 10.1021/acs.joc.1c02109

Cu(II)-Promoted Cascade Synthesis of Fused Imodazo-Pyridine-Carbonitriles
A Rakshit, H N Dhara, T Alam, A Dahiya, B K Patel,J. Org. Chem. 2021, 86, 23, 17504–17510
DOI: 10.1021/acs.joc.1c02198

Solvent-Switched Manganese (I)-Catalyzed Regiodivergent Distal vs Proximal C–H Alkylation of Imidazopyridine with Maleimide: S Ghosh, T Khandelia, BK Patel,
Org. Lett. 2021, 13, 7370-7375
DOI: 10.1021/acs.orglett.1c02536

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Visible-Light-Mediated Difunctionalization of Alkynes: Synthesis of β-Substituted Vinylsulfones Using O- and S-Centered Nucleophiles: AK Sahoo, A Dahiya, B Das, A Behera, BK Patel. J. Org. Chem. 2021, 86, 11968-11986 DOI: 10.1021/acs.joc.1c01350

The renaissance of alkali metabisulfites as SO2 surrogate: AK Sahoo, A Dahiya, A Rakshit, BK Patel. SynOpen ,2021, 5, 232-251 DOI: 10.1055/a-1577-9755

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