Search Results - "Guin, Srimanta"

Toolbox for Distal C–H Bond Functionalizations in Organic Molecules by Sinha, Soumya Kumar, Guin, Srimanta, Maiti, Sudip, Biswas, Jyoti Prasad, Porey, Sandip, Maiti, Debabrata

“…Transition-metal-catalyzed C–H activation has developed a contemporary approach to the omnipresent area of retrosynthetic disconnection. Scientific researchers…”
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Alkyne Linchpin Strategy for Drug:Pharmacophore Conjugation: Experimental and Computational Realization of a Meta-Selective Inverse Sonogashira Coupling by Porey, Sandip, Zhang, Xinglong, Bhowmick, Suman, Kumar Singh, Vikas, Guin, Srimanta, Paton, Robert S, Maiti, Debabrata

“…The late-stage functionalization (LSF) of pharmaceutical and agrochemical compounds by the site-selective activation of C–H bonds provides access to diverse…”
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Four Tandem C–H Activations: A Sequential C–C and C–O Bond Making via a Pd-Catalyzed Cross Dehydrogenative Coupling (CDC) Approach by Guin, Srimanta, Rout, Saroj Kumar, Banerjee, Arghya, Nandi, Shyamapada, Patel, Bhisma K

“…An unprecedented aroylation at the ortho C–H bond with respect to a directing group has been accomplished via a Pd(II)-catalyzed cross dehydrogenative coupling…”
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Cu(II) Catalyzed Imine C–H Functionalization Leading to Synthesis of 2,5-Substituted 1,3,4-Oxadiazoles by Guin, Srimanta, Ghosh, Tuhin, Rout, Saroj Kumar, Banerjee, Arghya, Patel, Bhisma K

“…A direct access to symmetrical and unsymmetrical 2,5-disubstituted [1,3,4]-oxadiazoles has been accomplished through an imine C–H functionalization of…”
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Expanding chemical space by para-C−H arylation of arenes by Maiti, Sudip, Li, Yingzi, Sasmal, Sheuli, Guin, Srimanta, Bhattacharya, Trisha, Lahiri, Goutam Kumar, Paton, Robert S., Maiti, Debabrata

“…Biaryl scaffolds are privileged templates used in the discovery and design of therapeutics with high affinity and specificity for a broad range of protein…”
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Tandem dehydrogenation-olefination-decarboxylation of cycloalkyl carboxylic acids via multifold C–H activation by Pal, Tanay, Ghosh, Premananda, Islam, Minhajul, Guin, Srimanta, Maji, Suman, Dutta, Suparna, Das, Jayabrata, Ge, Haibo, Maiti, Debabrata

“…Dehydrogenation chemistry has long been established as a fundamental aspect of organic synthesis, commonly encountered in carbonyl compounds. Transition metal…”
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Author Correction: Expanding chemical space by para-C−H arylation of arenes by Maiti, Sudip, Li, Yingzi, Sasmal, Sheuli, Guin, Srimanta, Bhattacharya, Trisha, Lahiri, Goutam Kumar, Paton, Robert S., Maiti, Debabrata

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A Copper-Catalyzed Synthesis of 3‑Aroylindoles via a sp3 C–H Bond Activation Followed by C–C and C–O Bond Formation by Gogoi, Anupal, Guin, Srimanta, Rout, Saroj Kumar, Patel, Bhisma K

“…An efficient Cu(I)-catalyzed synthesis of 3-aroylindoles has been achieved from o-alkynylated N,N-dimethylamines via a sp3 C–H bond activation α to the…”
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Diverse strategies for transition metal catalyzed distal C(sp)-H functionalizations by Das, Jayabrata, Guin, Srimanta, Maiti, Debabrata

“…Transition metal catalyzed C(sp 3 )-H functionalization is a rapidly growing field. Despite severe challenges, distal C-H functionalizations of aliphatic…”
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Highvalent 3d metal-oxo mediated C–H halogenation: Biomimetic approaches by Biswas, Jyoti Prasad, Guin, Srimanta, Maiti, Debabrata

“…•Biomimetic halogenation by metal-oxo complexes resembling active sites of halogenase.•High-valent manganese-porphyrins show superior reactivity towards…”
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Experimental and Computational Exploration of para‐Selective Silylation with a Hydrogen‐Bonded Template by Maji, Arun, Guin, Srimanta, Feng, Sheng, Dahiya, Amit, Singh, Vikas Kumar, Liu, Peng, Maiti, Debabrata

“…The regioselective conversion of C−H bonds into C−Si bonds is extremely important owing to the natural abundance and non‐toxicity of silicon. Classical…”
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Chelation‐Assisted Palladium‐Catalyzed γ‐Arylation of Aliphatic Carboxylic Acid Derivatives by Dey, Aniruddha, Pimparkar, Sandeep, Deb, Arghya, Guin, Srimanta, Maiti, Debabrata

“…A palladium(II)‐catalyzed protocol for the highly regioselective remote γ‐C–H arylation of aliphatic carboxylic acid has been disclosed. The 8‐aminoquinoline…”
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Unveiling catalyst-free electro-photochemical reactivity of aryl diazoesters and facile synthesis of oxazoles, imide-fused pyrroles and tetrahydro-epoxy-pyridines via carbene radical anions by Maiti, Debajit, Saha, Argha, Guin, Srimanta, Maiti, Debabrata, Sen, Subhabrata

“…Herein, we report a reagent-less (devoid of catalyst, supporting electrolyte, oxidant and reductant) electro-photochemical (EPC) reaction [electricity (50 μA)…”
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Nondirected C–H/C–F Coupling for the Synthesis of α‑Fluoro Olefinated Arenes by Porey, Sandip, Bairagi, Yogesh, Guin, Srimanta, Zhang, Xinglong, Maiti, Debabrata

“…The fluorinated entities are considered a privileged structure class in the field of medicinal chemistry because of the amplified bioactivity they exhibit. In…”
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Promoting Highly Diastereoselective γ‑C–H Chalcogenation of α‑Amino Acids and Aliphatic Carboxylic Acids by Guin, Srimanta, Deb, Arghya, Dolui, Pravas, Chakraborty, Souvik, Singh, Vikas Kumar, Maiti, Debabrata

“…A Pd­(II)-catalyzed highly regioselective γ-chalcogenation, thioarylation, and selenoarylation of aliphatic carboxylic acids has been demonstrated. The present…”
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Copper-Catalyzed Esterification of Alkylbenzenes with Cyclic Ethers and Cycloalkanes via C(sp3)–H Activation Following Cross-Dehydrogenative Coupling by Rout, Saroj Kumar, Guin, Srimanta, Ali, Wajid, Gogoi, Anupal, Patel, Bhisma K

“…A copper-catalyzed cross-dehydrogenative coupling strategy has been developed for the synthesis of two classes of esters from simple solvents. The reaction of…”
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Unveiling catalyst-free electro-photochemical reactivity of aryl diazoesters and facile synthesis of oxazoles, imide-fused pyrroles and tetrahydro-epoxy-pyridines carbene radical anions by Maiti, Debajit, Saha, Argha, Guin, Srimanta, Maiti, Debabrata, Sen, Subhabrata

“…Herein, we report a reagent-less (devoid of catalyst, supporting electrolyte, oxidant and reductant) electro-photochemical (EPC) reaction [electricity (50 A)…”
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Copper Catalyzed Oxidative Esterification of Aldehydes with Alkylbenzenes via Cross Dehydrogenative Coupling by Rout, Saroj Kumar, Guin, Srimanta, Ghara, Krishna Kanta, Banerjee, Arghya, Patel, Bhisma K

“…Copper(II) as the catalyst in a cross dehydrogenative coupling (CDC) reaction has been demonstrated for the synthesis of benzylic esters using aldehydes and…”
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Experimental and Computational Studies on Remote γ‑C(sp3)–H Silylation and Germanylation of Aliphatic Carboxamides by Deb, Arghya, Singh, Sukriti, Seth, Kapileswar, Pimparkar, Sandeep, Bhaskararao, Bangaru, Guin, Srimanta, Sunoj, Raghavan B, Maiti, Debabrata

“…A Pd­(II)-catalyzed protocol for highly regioselective distal γ-C–H silylation and germanylation of aliphatic carboxylic acids is reported. Bidentate…”
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Photoinduced [3+2] Cycloaddition of Carbenes and Nitriles: A Versatile Approach to Oxazole Synthesis by Saha, Argha, Sen, Chiranjit, Guin, Srimanta, Das, Chandan, Maiti, Debajit, Sen, Subhabrata, Maiti, Debabrata

“…We have developed a photoinduced protocol for the synthesis of pharmaceutically important oxazole molecules using diazo‐ and nitrile‐containing reactants. The…”
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