Search Results - "Bharatam, Jagadeesh"

J-upscaling in two-dimensional solid-state NMR spectroscopy by Kakita, Veera Mohana Rao, Bharatam, Jagadeesh

“…The direct measurement of homonuclear scalar couplings (J) in solids, which serve as important parameters for the elucidation of molecular structure/…”
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Total Synthesis and Stereochemical Revision of Acortatarins A and B by Sudhakar, Gangarajula, Kadam, Vilas D, Bayya, Shruthi, Pranitha, Gavinolla, Jagadeesh, Bharatam

“…A first total synthesis of acortatarins A, B, and an enantiomer of the proposed structure of acortatarin B is described by using readily available d -sugars…”
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A Synthetic Zipper Peptide Motif Orchestrated via Co-operative Interplay of Hydrogen Bonding, Aromatic Stacking, and Backbone Chirality by Nair, Roshna V, Kheria, Sanjeev, Rayavarapu, Suresh, Kotmale, Amol S, Jagadeesh, Bharatam, Gonnade, Rajesh G, Puranik, Vedavati G, Rajamohanan, Pattuparambil R, Sanjayan, Gangadhar J

“…Here, we report on a new class of synthetic zipper peptide which assumes its three-dimensional zipper-like structure via a co-operative interplay of hydrogen…”
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Gold nanoparticles immobilized on lipoic acid functionalized SBA-15: Synthesis, characterization and catalytic applications by Anand, Narani, Ramudu, Pochamoni, Reddy, Kannapu Hari Prasad, Rao, Kamaraju Seetha Rama, Jagadeesh, Bharatam, Babu, Vemulapalli Sahithya Phani, Burri, David Raju

“…[Display omitted] ► SBA-LAG is a new hexagonally ordered mesoporous heterogeneous catalyst. ► Lipoic acid spacer acts as anchoring point to SBA-15 and capping…”
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Prion-derived tetrapeptide stabilizes thermolabile insulin via conformational trapping by Mukherjee, Meghomukta, Das, Debajyoti, Sarkar, Jit, Banerjee, Nilanjan, Jana, Jagannath, Bhat, Jyotsna, Reddy G, Jithender, Bharatam, Jagadeesh, Chattopadhyay, Samit, Chatterjee, Subhrangsu, Chakrabarti, Partha

“…Unfolding followed by fibrillation of insulin even in the presence of various excipients grappled with restricted clinical application. Thus, there is an unmet…”
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Tandem Prins Strategy for the Synthesis of Spiropyrrolidine and Spiropiperidine Derivatives by Reddy, Basi V. Subba, Yarlagadda, Suresh, Reddy, C. Ravikumar, Reddy, M. Rajashekhar, Sridhar, Balasubramanyan, Satyanarayana, Dayaka, Jagadeesh, Bharatam

“…Cascade cyclization of a 3‐[(3‐methylbut‐2‐enylamino)methyl]but‐3‐en‐1‐ol derivative with aldehydes in the presence of TMSOTf at 0 °C under mild conditions…”
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New Lathyrane and Podocarpane Diterpenoids from Jatropha curcas by Ravindranath, Nasi, Reddy, Majjigapu Ravinder, Ramesh, Chimmani, Ramu, Ravirala, Prabhakar, Anabathula, Jagadeesh, Bharatam, Das, Biswanath

“…Chemical investigation on Jatropha curcas resulted in the isolation of twenty constituents among which four diterpenoids were unknown and six compounds,…”
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Biflavonoids from Cycas beddomei by Das, Biswanath, Mahender, Gurram, Rao, Yerra Koteswara, Prabhakar, Anabathula, Jagadeesh, Bharatam

“…Chemical investigation on the constituents of the cones of Cycas beddomei has resulted in the isolation of a new biflavonoid, 2,3-dihydro-4′′′-O-methyl…”
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Characterization of Phase Transitions and Dynamics in Reentrant Nematic Liquid Crystals by Xenon-129 Nuclear Magnetic Resonance by Bharatam, Jagadeesh, Bowers, C. Russell

“…In this paper, the ability to detect phase transitions and characterize the dynamics in binary and tertiary reentrant nematic liquid crystal mixtures via 129Xe…”
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Real‐time homonuclear broadband decoupled pure shift COSY by Kakita, Veera Mohana Rao, Bharatam, Jagadeesh

“…The present manuscript reports development and applications of real‐time homonuclear broadband decoupled pure shift version of in‐phase zero‐quantum filtered…”
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A Flexible Enantioselective Total Synthesis of Diospongins A and B and Their Enantiomers Using Catalytic Hetero-Diels−Alder/Rh-Catalyzed 1,4-Addition and Asymmetric Transfer Hydrogenation Reactions as Key Steps by Kumaraswamy, Gullapalli, Ramakrishna, Gajula, Naresh, Police, Jagadeesh, Bharatam, Sridhar, Balasubramanian

“…A unified enantioselective route to total synthesis of diospongins A and B and their enantiomers has been developed employing achiral starting materials. All…”
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6‐Strand to Stable 10/12 Helix Conformational Switch by Incorporating Flexible β‐hGly in the Homooligomers of Camphor Derived β‐Amino Acid: NMR and X‐Ray Crystallographic Evidence by Sukumar, Genji, Rahul, Nayani, Kiranmai, Mainkar, Prathama S., Prashanth, Jupally, Sridhar, Balasubramanian, Sarma, Akella V. S., Bharatam, Jagadeesh, Chandrasekhar, Srivari

“…Rational design of unnatural amino acid building blocks capable of stabilizing predictable secondary structures similar to protein fragments is pivotal for…”
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Real-time homonuclear broadband and band-selective decoupled pure-shift ROESY by Kakita, Veera Mohana Rao, Bharatam, Jagadeesh

“…Unambiguous spectral assignments in 1H solution‐state NMR are central, for accurate structural elucidation of complex molecules, which is often hampered by…”
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BF3·OEt2‑Catalyzed Unexpected Stereoselective Formation of 2,4-trans-Diallyl-2-methyl-6-aryltetrahydro‑2H‑pyrans with Quaternary Stereocenters by Reddy, D. Srinivas, Srinivas, Beduru, Rachineni, Kavitha, Jagadeesh, Bharatam, Sarotti, Ariel M, Mohapatra, Debendra K

“…The present manuscript describes a convenient, mild, and highly stereoselective method for the allylation of δ-hydroxy-α,β-unsaturated ketones having a…”
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Morphology and chain dynamics during collapse transition of PNIPAM gels studied by combined imaging, relaxometry and 129Xe spectroscopy techniques by Kariyo, Sobiroh, Küppers, Markus, Badiger, Manohan V., Prabhakar, Anabathula, Jagadeesh, Bharatam, Stapf, Siegfried, Blümich, Bernhard

“…The temperature-induced shape transition of poly( N-isopropylacrylamide) gels of different cross-link densities was investigated by a combination of NMR…”
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Band-selective excited ultrahigh resolution PSYCHE-TOCSY: fast screening of organic molecules and complex mixtures by Kakita, Veera Mohana Rao, Vemulapalli, Sahithya Phani Babu, Bharatam, Jagadeesh

“…Precise assignments of 1H atomic sites and establishment of their through‐bond COSY or TOCSY connectivity are crucial for molecular structural characterization…”
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BF 3 ·OEt 2 -Catalyzed Unexpected Stereoselective Formation of 2,4- trans -Diallyl-2-methyl-6-aryltetrahydro-2 H -pyrans with Quaternary Stereocenters by Reddy, D Srinivas, Srinivas, Beduru, Rachineni, Kavitha, Jagadeesh, Bharatam, Sarotti, Ariel M, Mohapatra, Debendra K

“…The present manuscript describes a convenient, mild, and highly stereoselective method for the allylation of δ-hydroxy-α,β-unsaturated ketones having a…”
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Rapid elucidation of chemical shift correlations in complex NMR spectra of organic molecules: Two-dimensional Hadamard pure shift NMR spectroscopy by Kakita, Veera Mohana Rao, Kupče, Ēriks, Bharatam, Jagadeesh, Hosur, Ramakrishna V.

“…[Display omitted] •Hadamard encoded scheme for pure shift NMR methods.•Provides pure shift information in very short spectrometer times.•Efficacy have been…”
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Iron(III)-Catalyzed C-H Functionalization: ortho-Benzoyloxylation of N,N-Dialkylanilines and Its Application to 1,4-Benzoxazepines by Chiranjeevi, Barreddi, Vinayak, Botla, Parsharamulu, Thupakula, PhaniBabu, Vemulapalli S., Jagadeesh, Bharatam, Sridhar, Balasubramanian, Chandrasekharam, Malapaka

“…A C–O bond‐formation reaction that proceeds through C–H functionalization of N,N‐dialkylanilines at the ortho‐position is presented. The iron‐catalyzed…”
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Enantioselective synthesis of δ-/γ-alkoxy-β-hydroxy-α-alkyl-substituted Weinreb amides via DKR-ATH: application to the synthesis of advanced intermediate of (-)-brevisamide by Kumaraswamy, Gullapalli, Narayana Murthy, Akula, Narayanarao, Vykunthapu, Vemulapalli, Sahithya Phani Babu, Bharatam, Jagadeesh

“…A method of preparing stereodefined δ-/γ-alkoxy-β-hydroxy-α-alkyl-substituted Weinreb amides containing two successive hydroxyl-alkyl stereocenters has been…”
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