Search Results - "Tatina, Madhu Babu"

Zinc Acetate Catalyzed Stereoselective 1,2-trans-Glycosylation Using Glycosyl Chlorides by Ali, Mohammad Saif, Ramesh, P. I., Ghosh, Subhash, Babu Tatina, Madhu

“…Abstract We report a strategy for the stereoselective synthesis of 1,2-trans-glycosides in the absence of neighboring group participation. The present protocol…”
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Robust perfluorophenylboronic acid-catalyzed stereoselective synthesis of 2,3-unsaturated O -, C -, N - and S -linked glycosides by Tatina, Madhu Babu, Mengxin, Xia, Peilin, Rao, Judeh, Zaher M A

“…A convenient protocol was developed for the synthesis of 2,3-unsaturated , - and -linked glycosides (enosides) using 20 mol % perflurophenylboronic acid…”
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Citric acid mediated simple and stereoselective synthesis of o-linked glycosides by Ferrier rearrangement by Ramesh, P.I., Ali, Mohamad Saif, Ghosh, Subhash, Babu Tatina, Madhu

“…Citric acid is versatile reagent for many glycals with good yield and selectivity well suited for the synthesis of pseudodisaccharides. [Display omitted]…”
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Organo-zinc Promoted Diastereoselective C‑Arylation of 1,2-Anhydrosugars from Arylboronic Acids by Tatina, Madhu Babu, Kusunuru, Anil Kumar, Mukherjee, Debaraj

“…α-C-arylglycosides can be obtained through the addition of aryl zinc reagents to sugar epoxides. The required aryl zinc nucleophiles can be easily obtained…”
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Perfluorophenylboronic acid-catalyzed direct α-stereoselective synthesis of 2-deoxygalactosides from deactivated peracetylated d-galactal by Tatina, Madhu Babu, Moussa, Ziad, Xia, Mengxin, Judeh, Zaher M A

“…Perfluorophenylboronic acid 1c catalyzes the direct stereoselective addition of alcohol nucleophiles to deactivated peracetylated d-galactal to give…”
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Efficient Synthesis of α‐Glycosyl Chlorides Using 2‐Chloro‐1,3‐dimethylimidazolinium Chloride: A Convenient Protocol for Quick One‐Pot Glycosylation by Tatina, Madhu Babu, Khong, Duc Thinh, Judeh, Zaher M. A.

“…A mild and convenient method for the synthesis of α‐glycosyl chlorides in high 80–96 % yields within 15–30 min using 2‐chloro‐1,3‐dimethylimidazolinium…”
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First Exclusive Stereo‐ and Regioselective Preparation of 5‐Arylimino‐1,3,4‐Selenadiazole Derivatives: Synthesis, NMR analysis, and Computational Studies by Moussa, Ziad, Perez Paz, Alejandro, Khalaf, Mohamed A., Judeh, Zaher M. A., Alzamly, Ahmed, Samadi, Abdelouahid, Al‐Fahemi, Jabir H., Tatina, Madhu Babu, Al‐Masri, Harbi Tomah, Jassas, Rabab S., Ahmed, Saleh A.

“…Isoselenocyanates are valuable coupling partners required for preparing key chemical intermediates and biologically active molecules in an accelerated and…”
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Total Synthesis of Streptococcus suis Serotype 8 Capsular Polysaccharide Repeating Unit by P., Ramesh, Saif Ali, Mohammad, Ghosh, Subhash, Babu Tatina, Madhu

“…The first total synthesis of capsular polysaccharide (CPS) repeating unit [2)‐α‐l‐Rhap‐1→P→4‐β‐d‐ManpNAc‐(1→4)‐α‐d‐Glcp‐(1]n of streptococcus suis serotype 8…”
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Construction of Fused Oxabicyclic Scaffolds from Glycals and Styrenes via One-Pot Domino Transformations by Bhardwaj, Monika, Rasool, Faheem, Tatina, Madhu Babu, Mukherjee, Debaraj

“…Triflic acid catalyzed cascade stereoselective reaction of glycals with styrenes delivers complex oxabicyclic scaffolds such as cis-oxadecalins or…”
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TEMPO-Promoted Domino Heck–Suzuki Arylation: Diastereoselective Cis-Diarylation of Glycals and Pseudoglycals by Kusunuru, Anil Kumar, Jaladanki, Chaitanya K, Tatina, Madhu Babu, Bharatam, Prasad V, Mukherjee, Debaraj

“…A palladium-catalyzed regio- and diastereoselective diarylation of glycals and pseudoglycals, which is a kind of Heck–Suzuki arylation, is described. A wide…”
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A Practical Synthesis of Densely Functionalized Pyrroles via a Three-Component Cascade Reaction between Carbohydrates, Oxoacetonitriles, and Ammonium Acetate by Xia, Mengxin, Lambu, Mallikharjuna Rao, Tatina, Madhu Babu, Judeh, Zaher M. A

“…A practical three-component reaction between unactivated carbohydrates, oxoacetonitriles, and ammonium acetate gave densely functionalized pyrroles in 75–96%…”
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TMSOTf-Promoted Intermolecular Cascade Reaction of Aromatic Diazo Ketones with Olefins: Selective Synthesis of 3‑Arylethylideneoxindoles by Tatina, Madhu Babu, Xinzhu, Wang, Santoso, Mardi, Moussa, Ziad, Judeh, Zaher M. A

“…A simple trimethylsilyl trifluoromethanesulfonate (TMSOTf)-promoted intermolecular cascade reaction of aromatic diazo ketones with olefins has been developed…”
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Diastereoselective sp 2 -sp 3 coupling of sugar enol ethers with unactivated cycloalkenes: new entries to C-branched sugars by Hussain, Nazar, Tatina, Madhu Babu, Rasool, Faheem, Mukherjee, Debaraj

“…Sugar enol ethers undergo efficient coupling at C-2 with unactivated cycloalkenes under a low Pd loading affording allylic substitution products. High…”
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Zinc mediated activation of terminal alkynes: stereoselective synthesis of alkynyl glycosides by Tatina, Madhu Babu, Kusunuru, Anil Kumar, Yousuf, Syed Khalid, Mukherjee, Debaraj

“…Zinc mediated alkynylation reaction was studied for the preparation of C-glycosides from unactivated alkynes. Different glycosyl donors such as glycals and…”
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