Search Results - "Laha, Joydev K."

Uses of K2S2O8 in Metal-Catalyzed and Metal-Free Oxidative Transformations by Mandal, Sudip, Bera, Tishyasoumya, Dubey, Gurudutt, Saha, Jaideep, Laha, Joydev K

“…Carbon–carbon/carbon–heteroatom bond formation via oxidative transformations is a heavily explored topic at the frontier of chemistry. Potassium persulfate…”
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A Tandem Approach to Functionalized Carbazoles from Indoles via Two Successive Regioselective Oxidative Heck Reactions Followed by Thermal Electrocyclization by Laha, Joydev K, Dayal, Neetu

“…A direct one-pot approach to the synthesis of carbazoles (mono-, di-, and trisubstituted) and α-carbolines from readily available indoles or 7-azaindoles and…”
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Benzylic Methylene Functionalizations of Diarylmethanes by Gulati, Upma, Gandhi, Radhika, Laha, Joydev K.

“…Diarylmethanes are cardinal scaffolds by virtue of their unique structural feature including the presence of a benzylic CH2 group that can be easily…”
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Recent Advances On Direct Formylation Reactions by Kherudkar, Aditya, Bhattacharjee, Angana, Nawkhare, Akash, Mukherjee, Soumi, Pramanick, Sukhendu, Laha, Joydev K

“…Aldehydes serve as the key functional group in organic synthesis and are valuable intermediates. The various advanced methods of direct formylation reactions…”
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Sulfate Radical Anion (SO4 •–) Mediated C(sp3)–H Nitrogenation/Oxygenation in N‑Aryl Benzylic Amines Expanded the Scope for the Synthesis of Benzamidine/Oxazine Heterocycles by Laha, Joydev K, Tummalapalli, K. S. Satyanarayana, Nair, Akshay, Patel, Nidhi

“…A transition-metal-free, K2S2O8-mediated intramolecular oxidative nitrogenation/oxygenation of C­(sp3)–H in N-aryl benzylic amines followed by oxidation at the…”
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Sulfate radical anion-induced benzylic oxidation of N -(arylsulfonyl)benzylamines to N -arylsulfonylimines by Laha, Joydev K, Gupta, Pankaj, Hazra, Amitava

“…A mild, operationally convenient, and practical method for the synthesis of synthetically useful -arylsulfonylimines from -(arylsulfonyl)benzylamines using K S…”
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Transition-Metal-Free Tandem Oxidative Removal of Benzylic Methylene Group by C–C and C–N Bond Cleavage Followed by Intramolecular New Aryl C–N Bond Formation under Radical Conditions by Laha, Joydev K, Tummalapalli, K. S. Satyanarayana, Gupta, Ankur

“…A novel tandem oxidative conversion of 10,11-dihydro-5H-dibenzo­[b,e]­[1,4]­diazepines to phenazines has been achieved under transition-metal-free, mild…”
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Intramolecular Acylation of Unactivated Pyridines or Arenes via Multiple C–H Functionalizations: Synthesis of All Four Azafluorenones and Fluorenones by Laha, Joydev K, Jethava, Krupal P, Patel, Sagarkumar, Patel, Ketul V

“…An unprecedented intramolecular acylation of unactivated pyridines via multiple C­(sp3/sp2)–H functionalizations of a methyl, hydroxymethyl, or aldehyde group…”
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Structure–activity relationship study of bone morphogenetic protein (BMP) signaling inhibitors by Cuny, Gregory D., Yu, Paul B., Laha, Joydev K., Xing, Xuechao, Liu, Ji-Feng, Lai, Carol S., Deng, Donna Y., Sachidanandan, Chetana, Bloch, Kenneth D., Peterson, Randall T.

“… A structure–activity relationship study of dorsomorphin, a previously identified inhibitor of SMAD 1/5/8 phosphorylation by bone morphogenetic protein (BMP)…”
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Porphyrin Functionalized Gelatin Nanoparticle-Based Biodegradable Phototheranostics: Potential Tools for Antimicrobial Photodynamic Therapy by Kirar, Seema, Thakur, Neeraj S, Laha, Joydev K, Banerjee, Uttam C

“…Photomedicine-based antimicrobial therapy has emerged as an alternative treatment for antibiotic-resistant microbial infections. Although various…”
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Diaminothiazoles Modify Tau Phosphorylation and Improve the Tauopathy in Mouse Models by Zhang, Xuemei, Hernandez, Israel, Rei, Damien, Mair, Waltraud, Laha, Joydev K., Cornwell, Madison E., Cuny, Gregory D., Tsai, Li-Huei, Steen, Judith A.J., Kosik, Kenneth S.

“…Although Tau accumulation is a feature of several neurodegenerative conditions, treatment options for these conditions are nonexistent. Targeting Tau kinases…”
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Palladium-Catalyzed Intramolecular Oxidative Arylations for the Synthesis of Fused Biaryl Sulfones by Laha, Joydev K, Sharma, Shubhra

“…This study unveils palladium-catalyzed intramolecular oxidative cyclizations in biaryl and heterobiaryl sulfones providing direct access to fused biaryl…”
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K2S2O8‑Mediated Denitrogenative Formal Transformylation of Amines with Formylhydrazine in Water by Gupta, Anjali, Laha, Joydev K.

“…A new approach for direct formylation of various amines has been disclosed using a novel formylating agent, formylhydrazine, to afford N-formylamines in…”
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A Scalable Synthesis of Meso-Substituted Dipyrromethanes by Laha, Joydev K, Dhanalekshmi, Savithri, Taniguchi, Masahiko, Ambroise, Arounaguiry, Lindsey, Jonathan S

“…A one-flask synthesis of meso-substituted dipyrromethanes has been refined. The procedure entails reaction of an aldehyde in 100 equiv of pyrrole as the…”
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Sulfoxylate Anion Radical-Induced Aryl Radical Generation and Intramolecular Arylation for the Synthesis of Biarylsultams by Laha, Joydev K, Gupta, Pankaj

“…Aryl radical generation from the corresponding aryl halides using an electron donor and subsequent intramolecular cyclization with arenes could be an important…”
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Dithionite-Mediated Tandem Nitro Reduction/Imine Formation/Intramolecular Cyclization for the Synthesis of Dihydro-benzothiadiazine-1,1-dioxides by Laha, Joydev K., Gupta, Pankaj, Hazra, Amitava

“…A one-pot, tandem reductive annulation of 2-nitrobenzenesulfonamides with aldehydes to the synthesis of substituted…”
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Intramolecular Reductive Amidation of Unactivated Esters with Nitroarenes: A Telescoped Synthesis of Tetrahydropyrrolo/Pyrido[1,2‑a]quinoxalinones by Hazra, Amitava, Laha, Joydev K.

“…A reductive amidation of unactivated esters with nitroarenes, a key step in the telescopic synthesis of tetrahydropyrrolo­[1,2-a]­quinoxalinones and…”
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Synthetic Chlorins Bearing Auxochromes at the 3- and 13-Positions by Laha, Joydev K, Muthiah, Chinnasamy, Taniguchi, Masahiko, McDowell, Brian E, Ptaszek, Marcin, Lindsey, Jonathan S

“…Synthetic chlorins bearing diverse auxochromes at the 3- and 13-positions of the macrocycle are valuable targets given their resemblance to chlorophylls a and…”
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Decarboxylative Amidation of Aryl/Heteroarylacetic Acids via Activated Esters through Traceless α‑Functionalized Benzylic Radicals by Laha, Joydev K., Gulati, Upma, Gupta, Anjali

“…Unlike conventional amide synthesis, a decarboxylative amidation of aryl/heteroarylacetic acids by reaction with NHS and tert-butyl nitrite has been reported…”
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One-Step Fabrication of Enzyme-Immobilized Reusable Polymerized Microcapsules from Microfluidic Droplets by Varshney, Rohit, Sharma, Shubhra, Prakash, Bhanu, Laha, Joydev K, Patra, Debabrata

“…Enzyme immobilization is an essential prerequisite for biocatalysis. In this context, emulsion provides an excellent template for assembling enzymes at the…”
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