Search Results - "Roy, Soumya Singha"
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1
Noncovalent Catalysis for Enantioselective Direct Aldol Reaction of 3‐Acetylcoumarins to Pyrazole‐4,5‐diones
Published in Asian journal of organic chemistry (01-07-2019)“…The first catalytic enantioselective direct aldol reaction of 3‐acetylcoumarins to pyrazole‐4,5‐diones is reported and shown to proceed through noncovalent…”
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2
Photoredox‐Catalyzed Labeling of Hydroxyindoles with Chemoselectivity (PhotoCLIC) for Site‐Specific Protein Bioconjugation
Published in Angewandte Chemie International Edition (03-07-2023)“…We have developed a novel visible‐light‐catalyzed bioconjugation reaction, PhotoCLIC, that enables chemoselective attachment of diverse aromatic amine reagents…”
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3
A Nuclear Singlet Lifetime of More than One Hour in Room-Temperature Solution
Published in Angewandte Chemie International Edition (16-03-2015)“…Nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) are supremely important techniques with numerous applications in almost all branches of…”
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4
"On water" catalytic enantioselective sulfenylation of deconjugated butyrolactams
Published in Organic & biomolecular chemistry (23-08-2017)“…The first catalytic enantioselective α-sulfenylation of deconjugated butyrolactams has been developed using dimeric cinchona alkaloids as catalysts in a…”
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5
Catalytic Enantioselective C–C Bond-Forming Reactions of Deconjugated Butyrolactams: Michael Addition to α,β-Unsaturated Aldehydes and Ketones
Published in Journal of organic chemistry (05-10-2018)“…Nucleophilic reactivity of deconjugated butyrolactams has been demonstrated for enantioselective Michael additions to α,β-unsaturated aldehydes and ketones…”
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6
Electrochemical labelling of hydroxyindoles with chemoselectivity for site-specific protein bioconjugation
Published in Nature chemistry (01-03-2024)“…Electrochemistry has recently emerged as a powerful approach in small-molecule synthesis owing to its numerous attractive features, including precise control…”
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7
Functional Investigations of p53 Acetylation Enabled by Heterobifunctional Molecules
Published in ACS chemical biology (20-09-2024)“…Post-translational modifications (PTMs) dynamically regulate the critical stress response and tumor suppressive functions of p53. Among these, acetylation…”
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8
An Efficient Opal‐Suppressor Tryptophanyl Pair Creates New Routes for Simultaneously Incorporating up to Three Distinct Noncanonical Amino Acids into Proteins in Mammalian Cells
Published in Angewandte Chemie International Edition (02-05-2023)“…Site‐specific incorporation of multiple distinct noncanonical amino acids (ncAAs) into proteins in mammalian cells is a promising technology, where each ncAA…”
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9
Density matrix tomography of singlet states
Published in Journal of magnetic resonance (1997) (01-09-2010)“…First direct and quantitative study of singlet states using density matrix tomography is reported. A robust scheme for the tomography of a general density…”
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10
Photoredox‐Catalyzed Labeling of Hydroxyindoles with Chemoselectivity (PhotoCLIC) for Site‐Specific Protein Bioconjugation
Published in Angewandte Chemie (03-07-2023)“…We have developed a novel visible‐light‐catalyzed bioconjugation reaction, PhotoCLIC, that enables chemoselective attachment of diverse aromatic amine reagents…”
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Journal Article -
11
An Efficient Opal‐Suppressor Tryptophanyl Pair Creates New Routes for Simultaneously Incorporating up to Three Distinct Noncanonical Amino Acids into Proteins in Mammalian Cells
Published in Angewandte Chemie (02-05-2023)“…Site‐specific incorporation of multiple distinct noncanonical amino acids (ncAAs) into proteins in mammalian cells is a promising technology, where each ncAA…”
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12
A Diversity-Oriented Synthesis of Bicyclic cis-Dihydroarenediols, cis-4-Hydroxyscytalones, and Bicyclic Conduritol Analogues
Published in Organic letters (04-06-2010)“…A common-intermediate-based enantioselective strategy has been developed aiming at bicyclic arene cis-dihydrodiols, cis-4-hydroxyscytalones, and bicyclic…”
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13
A Nuclear Singlet Lifetime of More than One Hour in Room-Temperature Solution
Published in Angewandte Chemie (16-03-2015)“…Nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) are supremely important techniques with numerous applications in almost all branches of…”
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14
Investigation of the Leggett-Garg inequality for precessing nuclear spins
Published in Physical review letters (23-09-2011)“…We report experimental implementation of a protocol for testing the Leggett-Garg inequality (LGI) for nuclear spins precessing in an external magnetic field…”
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15
Native Aminoacyl-tRNA Synthetase/tRNA Pair Drives Highly Efficient Noncanonical Amino Acid Incorporation in Escherichia coli
Published in ACS chemical biology (19-07-2024)“…Site-specific noncanonical amino acid (ncAA) mutagenesis in living cells has traditionally relied on heterologous, nonsense-suppressing aminoacyl-tRNA…”
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16
Initialization of NMR quantum registers using long-lived singlet states
Published in Physical review. A, Atomic, molecular, and optical physics (15-11-2010)“…An ensemble of nuclear spin pairs under certain conditions is known to exhibit singlet state lifetimes much longer than other nonequilibrium states. This…”
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17
Long-Lived Nuclear Spin States in Methyl Groups and Quantum-Rotor-Induced Polarization
Published in Journal of the American Chemical Society (18-12-2013)“…Substances containing rapidly rotating methyl groups may exhibit long-lived states (LLSs) in solution, with relaxation times substantially longer than the…”
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18
Storing entanglement of nuclear spins via Uhrig dynamical decoupling
Published in Physical review. A, Atomic, molecular, and optical physics (21-06-2011)“…Stroboscopic spin flips have already been shown to prolong the coherence times of quantum systems under noisy environments. Uhrig's dynamical decoupling scheme…”
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19
Directed Evolution of a Bacterial Leucyl tRNA in Mammalian Cells for Enhanced Noncanonical Amino Acid Mutagenesis
Published in ACS synthetic biology (19-07-2024)“…The Escherichia coli leucyl-tRNA synthetase (EcLeuRS)/tRNAEcLeu pair has been engineered to genetically encode a structurally diverse group of enabling…”
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20
A Genetically Encoded Photocaged Cysteine for Facile Site-Specific Introduction of Conjugation-Ready Thiol Residues in Antibodies
Published in Bioconjugate chemistry (17-04-2024)“…Antibody–drug conjugates (ADCs) have emerged as a powerful class of anticancer therapeutics that enable the selective delivery of toxic payloads into target…”
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