Suchergebnisse - "Swamy, K"

Molecular Design of Highly Efficient Heavy‐Atom‐Free Triplet BODIPY Derivatives for Photodynamic Therapy and Bioimaging von Nguyen, Van‐Nghia, Yim, Yubin, Kim, Sangin, Ryu, Bokyeong, Swamy, K. M. K., Kim, Gyoungmi, Kwon, Nahyun, Kim, C‐Yoon, Park, Sungnam, Yoon, Juyoung

“… Novel BODIPY photosensitizers were developed for imaging‐guided photodynamic therapy. The introduction of a strong electron donor to the BODIPY core through a …”
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Metal-coordinated fluorescent and luminescent probes for reactive oxygen species (ROS) and reactive nitrogen species (RNS) von Kwon, Nahyun, Kim, Dayeh, Swamy, K.M.K., Yoon, Juyoung

“… [Display omitted] •Recent advances in fluorescent and luminescent probes for ROS and RNS are discussed.•Metal-coordinated ROS- and RNS- selective probe systems …”
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(3+3) Annulation of acetoxy allenoates with enolisable carbonyl substrates leading to fused pyrans von Chauhan, Sachin, Debnath, Shubham, Swamy, K. C. Kumara

“… Lewis base dependent (3 + 3) annulation of delta-acetoxy allenoates with benzofuranone, pyrazolone, and Boc-protected oxindole is reported. In the presence of …”
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Divergent Reactivity of δ- and β'-Acetoxy Allenoates with 2-Sulfonamidoindoles via Phosphine Catalysis: Entry to Dihydro-α-carboline, α-Carboline, and Spiro-cyclopentene Motifs von Debnath, Shubham, Kumar, A. Sanjeeva, Chauhan, Sachin, Swamy, K. C. Kumara

“… The reactivity of 2-sulfonamidoindoles with acetoxy allenoates under phosphine catalysis depends on the disposition of the acetoxy (OAc) group on the …”
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Physics of comets von Swamy, K. S. Krishna

“… This revised edition places a unique emphasis on all the new results from ground-based, satellites and space missions — detection of molecule H2 and prompt …”
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Acetoxy allenoates as emerging synthons in annulation/cycloaddition reactions von Kumara Swamy, K C, Chauhan, Sachin, Sanjeeva Kumar, A

“… In contrast to the normal allenoates (2,3-butadienoates) that undergo phosphine/amine addition generating dipolar-type intermediates, acetoxy allenoates that …”
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Ru(ii)-catalysed oxidative (4+2) annulation of chromene and coumarin carboxylic acids with alkynes/propargylic alcohols: isolation of Ru(0) complexes von Shankar, Mallepalli, Swamy, K. C. Kumara

“… Ru(ii)-catalysed oxidative (4 + 2) annulation of chromene and coumarin-3-carboxylic acids with alkynes/propargylic alcohols via sp(2) C-H bond activation is …”
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Ethanol as a Hydrogenating Agent: Palladium‐Catalyzed Stereoselective Hydrogenation of Ynamides To Give Enamides von Reddy, Alla Siva, Swamy, K. C. Kumara

“… Ethanol is shown to act as a hydrogenating agent for ynamides under palladium catalysis. This behavior is different from the normally expected reaction of …”
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Phosphine vs DBU-Catalyzed Annulation Reactions of β′-Acetoxy Allenoates with Acyl-Tethered Benzothiazole Bisnucleophiles: (4+3) or (4+1) vs (3+3) Annulation von Chauhan, Sachin, Swamy, K. C. Kumara

“… Dearomative annulation reaction of acyl-tethered benzothiazole bisnucleophiles with beta '-acetoxy allenoates by switching the Lewis base is developed. The …”
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Transition-Metal-Free, Bronsted Acid-Mediated Cascade Sequence in the Reaction of Propargyl Alcohols with Sulfonamido-indoles/- indolines: Highly Substituted delta- and alpha-Carbolines von Selvaraj, Karuppu, Swamy, K. C. Kumara

“… Bronsted acid-mediated, transition-metal-free reaction of propargyl alcohols with sulfonamido-indoles/indolines under mild conditions affords highly …”
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[Au]-Catalyzed Cyclization of Propargyl-Tethered Ene-Amides: Substrate-Dependent Access to Tetrasubstituted Pyrroles, Aminophenols, and Dihydropyridines von Suraj, Swamy, K. C. Kumara

“… [Au]-catalyzed and substrate-dependent intramolecular cyclization of sulfonyl ene-amides with a pendant propargyl group afford tetrasubstituted pyrroles, …”
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Reaction of Indole Carboxylic Acid/Amide with Propargyl Alcohols: [4+3]-Annulation, Unexpected 3-to 2-Carboxylate/Amide Migration, and Decarboxylative Cyclization von Selvaraj, Karuppu, Debnath, Shubham, Swamy, K. C. Kumara

“… 1-Methylindole-3-carboxamides react with substituted propargyl alcohols to afford lactams by [4 + 3]-annulation and carboxamide group migration to the …”
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Contrasting Carboannulation Involving δ-Acetoxy Allenoate as a Four-Carbon Synthon Using DABCO and DMAP: Access to Spiro-carbocyclic and m-Teraryl Scaffolds von Kumar, A. Sanjeeva, Chauhan, Sachin, Swamy, K. C. Kumara

“… Spiro-annulation involving delta-acetoxy allenoate and alkyl benzoisothiazole dioxide (N-sulfonyl ketimine) triggered by DABCO/MeCO2H combination leads to an …”
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DBU-Catalyzed Ring Expansion or Ene-amine Formation Involving δ-Acetoxy Allenoates and N-Sulfonyl Hydrazides von Khan, Shabbir Ahmed, Kumar, A. Sanjeeva, Swamy, K. C. Kumara

“… DBU-catalyzed spiro-annulation and concomitant ring expansion/dominoreaction of delta-acetoxy allenoates with cycl-2-ene-N-sulfonyl hydrazides afford …”
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Cu(II)-Catalyzed Decarboxylative (4+2) Annulation of Coumarin-3-Carboxylic Acids with In Situ Generated α,β-Unsaturated Carbonyl Compounds from tert-Propargylic Alcohols von Shankar, Mallepalli, Swamy, K. C. Kumara

“… Cu(II)-catalyzed decarboxylative oxidative (4 + 2) annulation of coumarin-3-carboxylic acids with tert-propargylic alcohols, via the in situ generated …”
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δ-Acetoxy Allenoate as a 5C-Synthon in Domino-Annulation with Sulfamidate Imines: Ready Access to Coumarins von Chauhan, Sachin, Kumar, A. Sanjeeva, Swamy, K. C. Kumara

“… A DMAP-catalyzed sequential benzannulationand lactonization strategyin which & delta;-acetoxy allenoate functions as a 5C-synthon in its reaction with cyclic …”
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Molecular interaction studies of Deguelin and its derivatives with Cyclin D1 and Cyclin E in cancer cell signaling pathway: The computational approach von Lokhande, Kiran Bharat, Nagar, Shuchi, Swamy, K. Venkateswara

“… Deguelin is a major active ingredient and principal component in several plants and it is a potential molecule to target proteins of cancer cell signaling …”
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Ring-Expansion Reactions of Epoxy Amides and Enamides: Functionalized Azetidines, Dihydrofurans, Diazocanes, or Dioxa-3-azabicyclonon-4-enes? von Suraj, Swamy, K. C. Kumara

“… Functionalized azetidines, 2,3-dihydrofurans, or the unorthodox dioxa-3-azabicyclonone-4-ene motifs are the products from transition metal-free reaction …”
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Molecular docking and simulation studies on SARS-CoV-2 Mpro reveals Mitoxantrone, Leucovorin, Birinapant, and Dynasore as potent drugs against COVID-19 von Lokhande, Kiran Bharat, Doiphode, Sayali, Vyas, Renu, Swamy, K. Venkateswara

“… The outbreak of novel coronavirus (COVID-19), which began from Wuhan City, Hubei, China, and declared as a Public Health Emergency of International Concern by …”
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Recent developments of BODIPY-based colorimetric and fluorescent probes for the detection of reactive oxygen/nitrogen species and cancer diagnosis von Nguyen, Van-Nghia, Ha, Jeongsun, Cho, Moonyeon, Li, Haidong, Swamy, K.M.K., Yoon, Juyoung

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