DMAP-promoted domino annulation of β-ketothioamides with internal alkynes: a highly regioselective access to functionalized 1,3-thiazolidin-4-ones at room temperature

Girijesh Kumar Verma, Gaurav Shukla, Anugula Nagaraju, Abhijeet Srivastava, Keshav Raghuvanshi and Maya Shankar Singh

RSC Adv., 2014, 4, 11640
DOI: 10.1039/C4RA00131A

In(OTf)3-catalysed one-pot versatile pyrrole synthesis through domino annulation of α-oxoketene-N,S-acetals with nitroolefins

Abhijeet Srivastava, Gaurav Shukla, Anugula Nagaraju, Girijesh Kumar Verma, Keshav Raghuvanshi, Raymond C. F. Jones and Maya Shankar Singh

Org. Biomol. Chem., 2014, 12, 5484
DOI: 10.1039/C4OB00781F

Catalyst-free one-pot four-component domino reactions in water–PEG-400: highly efficient and convergent approach to thiazoloquinoline scaffolds

Anugula Nagaraju, B. Janaki Ramulu, Gaurav Shukla, Abhijeet Srivastava, Girijesh Kumar Verma, Keshav Raghuvanshi and Maya Shankar Singh

Green Chem., 2015, 17, 950
DOI: 10.1039/C4GC01431F

Base-promoted anaerobic intramolecular cyclization synthesis of 4,5-disubstituted-1,2,3-thiadiazoles

Cong Dong, Shaoyu Mai, Shuai Wang, Xin Li and Qiuling Song

Org. Chem. Front., 2022, 9, 2647
DOI: 10.1039/D2QO00351A

I2/CuCl2-promoted one-pot three-component synthesis of aliphatic or aromatic substituted 1,2,3-thiadiazoles

Can Wang, Xiao Geng, Peng Zhao, You Zhou, Yan-Dong Wu, Yan-Fang Cui and An-Xin Wu

Chem. Commun., 2019, 55, 8134
DOI: 10.1039/C9CC04254G

DMAP mediated one-pot domino thienannulation: a versatile, regioselective and green mechanochemical route to naphtho[2,3-b]thiophenes

Gaurav Shukla, Girijesh Kumar Verma, Anugula Nagaraju, Rajiv Kumar Verma, Keshav Raghuvanshi and Maya Shankar Singh

RSC Adv., 2013, 3, 13811
DOI: 10.1039/c3ra41100a

A decade update on the application of β-oxodithioesters in heterocyclic synthesis

Zhi-Bing Dong, Zhiying Gong, Qian Dou, Bin Cheng and Taimin Wang

Org. Biomol. Chem., 2023, 21, 6806
DOI: 10.1039/D3OB00601H

Copper-Catalyzed One-Pot Cross-Dehydrogenative Thienannulation: Chemoselective Access to Naphtho[2,1-b]thiophene-4,5-diones and Subsequent Transformation to Benzo[a]thieno[3,2-c]phenazines

Gaurav Shukla, Abhijeet Srivastava, Dhananjay Yadav and Maya Shankar Singh

J. Org. Chem., 2018, 83, 2173
DOI: 10.1021/acs.joc.7b03092

Preparation and Characterization of a Novel Glycine-based Ionic Liquid and its Application in the Synthesis of Xanthenediones and Dihydropyrimidones in Water

Masoumeh Salami and Ali Ezabadi

LOC, 2022, 19, 1047
DOI: 10.2174/1570178619666220324122621

Progress in intermolecular and intramolecular reactions of thioamides with diazo compounds and azides

Vasiliy Bakulev, Yuri Shafran and Wim Dehaen

Tetrahedron Letters, 2019, 60, 513
DOI: 10.1016/j.tetlet.2019.01.032

TBAI-Catalyzed Reaction between N-Tosylhydrazones and Sulfur: A Procedure toward 1,2,3-Thiadiazole

Jiangfei Chen, Yan Jiang, Jin-Tao Yu and Jiang Cheng

J. Org. Chem., 2016, 81, 271
DOI: 10.1021/acs.joc.5b02280

Selective transformations of 2-(p-toluenesulfonyl)-N-tosylhydrazones to substituted 1,2,3-thiadiazoles

Yijiao Feng, Jing He, Weiwei Li, Zhen Yang, Yueting Wei, Ping Liu, Jixing Zhao, Chengzhi Gu and Wenli Wang

Tetrahedron, 2021, 78, 131803
DOI: 10.1016/j.tet.2020.131803

Iron‐Promoted Domino Annulation of α‐Enolic Dithioesters with Ninhydrin under Solvent‐Free Conditions: Chemoselective Direct Access to Indeno[1,2‐b]thiophenes

Suvajit Koley, Sushobhan Chowdhury, Tanmoy Chanda, B. Janaki Ramulu, Ganesh Chandra Nandi and Maya Shankar Singh

Eur J Org Chem, 2014, 2014, 5501
DOI: 10.1002/ejoc.201402276

Microwave assisted synthesis, spectroscopic and photophysical properties of novel pyrazol-3-one containing push -pull chromophore

Mohie E.M. Zayed, Parveen Kumar and Salman A. Khan

Journal of Molecular Structure, 2020, 1202, 127103
DOI: 10.1016/j.molstruc.2019.127103

Photo-oxidative Ruthenium(II)-Catalyzed Formal [3 + 2] Heterocyclization of Thioamides to Thiadiazoles

Pragya Pali, Gaurav Shukla, Priya Saha and Maya Shankar Singh

Org. Lett., 2021, 23, 3809
DOI: 10.1021/acs.orglett.1c00766

Y(OTf)3 catalyzed substitution dependent oxidative C(sp3)–C(sp3) cleavage and regioselective dehydration of β-allyl-β-hydroxydithioesters: alternate route to α,β-unsaturated ketones and functionalized dienes

Sushobhan Chowdhury, Tanmoy Chanda, Ganesh Chandra Nandi, Suvajit Koley, B. Janaki Ramulu, S.K. Pandey and Maya Shankar Singh

Tetrahedron, 2013, 69, 8899
DOI: 10.1016/j.tet.2013.07.092

Secnidazole-sulfonates: Synthesis, physical, electrochemical, antibacterial & antifungal characteristics

Sana Wahid, Muddasir Hanif, Sajid Jahangir, Maryam Shafique, Hafiz Abdullah Shahid, Haji Muhammad, Syed Adnan Ali Shah, Muhammad Ali Versiani, Khalid M. Khan and Iftikhar Ahmad Tahiri

Journal of Molecular Structure, 2019, 1184, 569
DOI: 10.1016/j.molstruc.2019.02.068

I2/DMSO-Catalyzed Transformation of N-tosylhydrazones to 1,2,3-thiadiazoles

Weiwei Li, Jun Zhang, Jing He, Liang Xu, Luigi Vaccaro, Ping Liu and Yanlong Gu

Front. Chem., 2020, 8
DOI: 10.3389/fchem.2020.00466

Green Synthetic Methods for the Cycloaddition Reactions: A Mini Review

Vrushabendra Basavanna, Sneha Puttappa, Manasa Chandramouli and Srikantamurthy Ningaiah

Polycyclic Aromatic Compounds, 2023, 43, 9377
DOI: 10.1080/10406638.2022.2162933

Introducing a new magnetic nanocomposite based on the chitosan modified by sulfonic acid-containing moieties for synthesis of 1,4-dihydropyridines and polyhydroquinolines

Maryam Shahsavari and Mohammad Piltan

Res Chem Intermed, 2023, 49, 4845
DOI: 10.1007/s11164-023-05084-6

ChemInform Abstract: Eco‐Efficient, Regioselective and Rapid Access to 4,5‐Disubstituted 1,2,3‐Thiadiazoles via [3 + 2] Cycloaddition of α‐Enolicdithioesters with Tosyl Azide under Solvent‐Free Conditions.

Maya Shankar Singh, Anugula Nagaraju, Girijesh Kumar Verma, Gaurav Shukla, Rajiv Kumar Verma, Abhijeet Srivastava and Keshav Raghuvanshi

ChemInform, 2013, 44
DOI: 10.1002/chin.201330150

Addition of Diazo Compounds ipso-C–H Bond to Carbon Disulfide: Synthesis of 1,2,3-Thiadiazoles under Mild Conditions

Lei Zhang, Beiqi Sun, Qianyi Liu and Fanyang Mo

J. Org. Chem., 2018, 83, 4275
DOI: 10.1021/acs.joc.8b00383

A facile and straightforward synthesis of 1,2,3-thiadiazoles from α-enolicdithioesters via nitrosation/reduction/diazotization/cyclization cascade in one-pot

Anugula Nagaraju, B. Janaki Ramulu, Gaurav Shukla, Abhijeet Srivastava, Girijesh Kumar Verma, Keshav Raghuvanshi and Maya Shankar Singh

Tetrahedron Letters, 2014, 55, 2430
DOI: 10.1016/j.tetlet.2014.02.115

Divergent Reactivity in the Reaction of β-Oxodithioesters and Hydroxylamine: Access to β-Ketonitriles and Isoxazoles

Jiaheng Li, Wei Ma, Wenbo Ming, Cong Xu, Na Wei and Mang Wang

J. Org. Chem., 2015, 80, 11138
DOI: 10.1021/acs.joc.5b01869

In(OTf)3-mediated dehydrative annulation of β-ketothioamides with phenylglyoxal: one-pot access to diversely functionalized pyrrol-2-thiones

Girijesh Kumar Verma, Gaurav Shukla, Anugula Nagaraju, Abhijeet Srivastava and Maya Shankar Singh

Tetrahedron Letters, 2014, 55, 5182
DOI: 10.1016/j.tetlet.2014.07.062

A facile and highly convergent approach to thiazolo[3,2-a]pyridines via one-pot multicomponent domino reaction under metal-free and solvent-free conditions

Anugula Nagaraju, B. Janaki Ramulu, Gaurav Shukla, Abhijeet Srivastava, Girijesh Kumar Verma, Keshav Raghuvanshi and Maya Shankar Singh

Tetrahedron, 2015, 71, 3422
DOI: 10.1016/j.tet.2015.03.087

Palladium Catalyzed Oxidative Coupling of α-Enolic Dithioesters: A New Entry to 3,4,5-Trisubstituted 1,2-Dithiolesviaa Double Activation Strategy

Sushobhan Chowdhury, Tanmoy Chanda, Suvajit Koley, B. Janaki Ramulu, Raymond C. F. Jones and Maya Shankar Singh

Org. Lett., 2013, 15, 5386
DOI: 10.1021/ol402728y

Experimental and theoretical investigations on structural, spectroscopic, electronic and thermodynamic properties of (adamantan-1-yl)(phenylsulfanyl)methanone

Halil Gökce, Yusuf Sert, Nuri Öztürk, Alaa A.-M. Abdel-Aziz, Adel S. El-Azab and Abdulrahman M. Al-Obaid

Journal of Molecular Structure, 2018, 1173, 596
DOI: 10.1016/j.molstruc.2018.07.031

Metal‐ and Oxidant‐free Electrosynthesis of 1,2,3‐Thiadiazoles from Element Sulfur and N‐tosyl Hydrazones

Shi‐Kun Mo, Qing‐Hu Teng, Ying‐Ming Pan and Hai‐Tao Tang

Adv Synth Catal, 2019, 361, 1756
DOI: 10.1002/adsc.201801700

Ligand‐ and Base‐Free CuII‐Mediated Selective S‐Arylation of α‐Enolic Dithioesters by Chan–Lam Coupling at Room Temperature

Suvajit Koley, Sushobhan Chowdhury, Tanmoy Chanda, B. Janaki Ramulu, Namrata Anand and Maya Shankar Singh

Eur J Org Chem, 2015, 2015, 409
DOI: 10.1002/ejoc.201403171

Conjugated hole-transport molecules based on triphenylamine and aminoflourene: Synthesis, structural, solvatochromic and electrochemical properties

Elody Priyatha, Chinnasamy Sathishkumar, Nallasamy Palanisami, Sathyanarayanamoorthy Venkatachalam and Ramalingam Venkateswaran

Journal of Molecular Structure, 2019, 1179, 145
DOI: 10.1016/j.molstruc.2018.10.075

HI/DMSO‐Catalyzed Cyclization of Aryl(sulfo)acylhydrazones with Sulfur

Jun Zhang, Weiwei Li, Yan Liu and Ping Liu

ChemistrySelect, 2020, 5, 5497
DOI: 10.1002/slct.202001310

Easy access to α-hydroxyimino-β-oxodithioesters and application towards the synthesis of diverse 1,4-thiazine-3-ones via reduction/annulation cascade

Anugula Nagaraju, Gaurav Shukla, Abhijeet Srivastava, B. Janaki Ramulu, Girijesh Kumar Verma, Keshav Raghuvanshi and Maya Shankar Singh

Tetrahedron, 2014, 70, 3740
DOI: 10.1016/j.tet.2014.03.097

Site‐Specific S‐Allylation of α‐Enolic Dithioesters with Morita‐Baylis‐Hillman Acetates at Room Temperature: Precursor for Thiopyrans

Sonam Soni, Suvajit Koley, Monish A. Ansari and Maya Shankar Singh

Adv Synth Catal, 2019, 361, 4091
DOI: 10.1002/adsc.201900580

Efficient one-pot synthetic methods for the preparation of 3,4-dihydropyrimidinones and 1,4-dihydropyridine derivatives using BNPs@SiO2(CH2)3NHSO3H as a ligand and metal free acidic heterogeneous nano-catalyst

Minoo Khodamorady, Samira Sohrabnezhad and Kiumars Bahrami

Polyhedron, 2020, 178, 114340
DOI: 10.1016/j.poly.2019.114340

One-Pot Synthesis of 5-Acyl-1,2,3-Thiadiazoles from Enaminones, Tosylhydrazine, and Elemental Sulfur under Transition-Metal-Free Conditions

Zan Yang, Yemei Liang, An Li, Kun Liu, Lijun Li, Tao Yang and Congshan Zhou

J. Org. Chem., 2019, 84, 16262
DOI: 10.1021/acs.joc.9b02866

Recent trends in the synthesis of 1,2,3-thiadiazoles

Ali Irfan, Fozia Batool, Sajjad Ahmad, Riaz Ullah, Aeysha Sultan, Rabia Sattar, Bushra Nisar and Laila Rubab

Phosphorus, Sulfur, and Silicon and the Related Elements, 2019, 194, 1098
DOI: 10.1080/10426507.2019.1633323

p -Toluenesulfonic acid-catalyzed metal-free formal [4 + 1] heteroannulation via N H/O H/S H functionalization: One-pot access to 2-aryl/hetaryl/alkyl benzazole derivatives

Abhijeet Srivastava, Gaurav Shukla and Maya Shankar Singh

Tetrahedron, 2017, 73, 879
DOI: 10.1016/j.tet.2016.12.073

Metal-Free One-Pot Four-Component Cascade Annulation in Ionic Liquids at Room Temperature: Convergent Access to Thiazoloquinolinone Derivatives

Anshu Singh, Abhijeet Srivastava and Maya Shankar Singh

J. Org. Chem., 2018, 83, 7950
DOI: 10.1021/acs.joc.8b00814

Regioselectivity for the Rh(I)‐catalyzed Annulation of 1,2,3‐Thiadiazoles with Alkynes: Experimental and Computational Analysis Reveal the Surprising Role of the Alkyne Substituent

Tasiana Reza, Marina A. Tokareva, Natalie K. Dobson, Alexandra L. Shanahan, Kyle Sheather, Christopher Richardson and Sinead T. Keaveney

ChemCatChem, 2023, 15
DOI: 10.1002/cctc.202301117

Metal- and Catalyst-Free, Formal [4 + 1] Annulation via Tandem C═O/C═S Functionalization: One-Pot Access to 3,5-Disubstituted/Annulated Isothiazoles

Gaurav Shukla, Abhijeet Srivastava and Maya Shankar Singh

Org. Lett., 2016, 18, 2451
DOI: 10.1021/acs.orglett.6b00997

Domino Cyclization of 1,n-Enynes (n = 7, 8, 9) Giving Derivatives of Pyrane, Chromene, Fluorene, Phenanthrene and Dibenzo[7]annulene by Ruthenium Complexes

Hao-Wei Ma, Pei-Min Chen, Ji-Xian Lo, Ying-Chih Lin, Shou-Ling Huang, Chi-Ren Chen and Pi-Yeh Chia

J. Org. Chem., 2016, 81, 4494
DOI: 10.1021/acs.joc.6b00260

Tandem Cyclization of Enynes Containing a Thioether or Ether Linkage via Ruthenium Allenylidene and Vinylidene Complexes

Yi-Jhen Feng, Ji-Xian Lo, Ying-Chih Lin, Shou-Ling Huang, Yu Wang and Yi-Hung Liu

Organometallics, 2013, 32, 6379
DOI: 10.1021/om400742x

DMAP-promoted cascade C–S/C–N bonds formation approach to 1,3-thiazolidin-4-ones via annulation of β-ketothioamides with α-halocarboxylic acids at room temperature

Girijesh Kumar Verma, Gaurav Shukla, Anugula Nagaraju, Abhijeet Srivastava and Maya Shankar Singh

Tetrahedron, 2014, 70, 6980
DOI: 10.1016/j.tet.2014.07.084

Regioselective dehydrative intramolecular heteroannulation of β-allyl-β-hydroxy dithioesters: facile and straightforward entry to 2H-thiopyrans

Sushobhan Chowdhury, Tanmoy Chanda, Suvajit Koley, B. Janaki Ramulu, Keshav Raghuvanshi and Maya Shankar Singh

Tetrahedron, 2014, 70, 914
DOI: 10.1016/j.tet.2013.12.020

Identification and interconversion of isomeric 4,5-functionalized 1,2,3-thiadiazoles and 1,2,3-triazoles in conditions of electrospray ionization

D.M. Mazur, M.E. Zimens, V.A. Bakulev and A.T. Lebedev

Journal of Pharmaceutical and Biomedical Analysis, 2017, 145, 315
DOI: 10.1016/j.jpba.2017.06.064

Synthesis of 4‐Aryl‐1,2,3‐Thiadiazoles via NH4I‐Catalyzed Cyclization of N‐Tosylhydrazones with Sulfur

Weiwei Li, Jing He, Ping Liu, Jie Zhang and Bin Dai

ChemistrySelect, 2019, 4, 10587
DOI: 10.1002/slct.201902684

Regioselective Synthesis of Dihydrothiophene and Thiopyran Frameworks via Catalyst-Controlled Intramolecular Cγ/Cδ–S Fusion of α-Allyl-β′-oxodithioesters

Sushobhan Chowdhury, Tanmoy Chanda, Suvajit Koley, Namrata Anand and Maya Shankar Singh

Org. Lett., 2014, 16, 5536
DOI: 10.1021/ol502850h

Lewis acid mediated three-component one-flask regioselective synthesis of densely functionalized 4-amino-1,2-dihydropyridines via cascade Knoevenagel/Michael/cyclization sequence

Suvajit Koley, Sushobhan Chowdhury, Tanmoy Chanda, B. Janaki Ramulu, Subhasis Samai, Lerato Motisa and Maya Shankar Singh

Tetrahedron, 2015, 71, 301
DOI: 10.1016/j.tet.2014.11.052

Gram-Scalable One-Pot Synthesis of Dihydro-Pyrano[3,2- c ]Chromenes Using Magnetic Salicylaldehyde-Melamine Copper Complex

Afsaneh Zonouzi and Neda Ghasemi

Polycyclic Aromatic Compounds, 2025, 1
DOI: 10.1080/10406638.2025.2519001

Synthesis of novel 4-substituted 1,2,3-thiadiazoles via iodine-catalyzed cyclization reactions

Weiwei Li, Xuezhen Li, Yijiao Feng, Ping Liu, Xiaowei Ma and Jixing Zhao

Tetrahedron Letters, 2021, 66, 152824
DOI: 10.1016/j.tetlet.2021.152824