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14 results on '"Rico A"'

1. ChemInform Abstract: New Arylalkanones from Horsfieldia macrobotrys, Effective Antidiabetic Agents Concomitantly Inhibiting α-Glucosidase and Free Radicals.

Author

Ramadhan, Rico and Phuwapraisirisan, Preecha

Subjects
*AROMATIC compounds, *HYPOGLYCEMIC agents, *GLUCOSIDASES, *FREE radicals, *BIOACTIVE compounds, *PLANT products
Abstract

isolation and structure elucidation of horsfieldone A (I), maingayone D (II), and 8-C-β-D-glycopyranosylpinocembrin (III) [ABSTRACT FROM AUTHOR]

Published
2016
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8. ChemInform Abstract: Synthesis of (Arylamido)pyrrolidinone Libraries Through Ritter-Type Cascade Reactions of Dihydroxylactams.

Author

Wu, Peng, Petersen, Michael Aaxman, Petersen, Rico, Rasmussen, Martin Ohsten, Bonnet, Karine, Nielsen, Thomas E., and Clausen, Mads H.

Subjects
*PYRROLE derivatives, *PYRROLIDINONES, *LACTAM derivatives, *NITRILES, *HYDROLYSIS, *CHARTS, diagrams, etc.
Abstract

The Ritter-type reaction of arylnitriles and N-acyliminium ions, generated in situ from dihydroxy-γ-lactams gives tetrahydropyrrolooxazolones in excellent yields. [ABSTRACT FROM AUTHOR]

Published
2016
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9. ChemInform Abstract: Ring-Opening of Enantiomerically Pure Oxa-Containing Heterocycles with Phosphorus Nucleophiles.

Author

Fernandez‐Perez, Hector, Etayo, Pablo, Nunez‐Rico, Jose Luis, Balakrishna, Bugga, and Vidal‐Ferran, Anton

Subjects
*HETEROCYCLIC compounds, *PHOSPHORUS, *NUCLEOPHILES, *NUCLEOPHILIC reactions, *ORGANIC chemistry, *ENANTIOMERIC purity
Abstract

Enantiopure epoxide- and oxetane-based substrates undergo regio- and stereocontrolled ring-opening with phosphorus nucleophiles furnishing efficiently 1,2- and 1,3-phosphino alcohols as stable borane complexes. [ABSTRACT FROM AUTHOR]

Published
2015
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10. ChemInform Abstract: Full Access to Nanoscale Bismuth-Palladium Intermetallics by Low-Temperature Syntheses.

Author

Heise, Martin, Chang, Jen‐Hui, Schoenemann, Rico, Herrmannsdoerfer, Thomas, Wosnitza, Joachim, and Ruck, Michael

Subjects
*NANOTECHNOLOGY, *INTERMETALLIC compounds synthesis, *POLYOLS, *MICROWAVE chemistry, *BISMUTH compounds, *PALLADIUM catalysts
Abstract

The microwave-assisted polyol process is applied and modified to synthesize phase-pure micro- or nanocrystalline samples of all intermetallic phases in the Bi-Pd system. [ABSTRACT FROM AUTHOR]

Published
2014
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11. ChemInform Abstract: Synthesis of Oxacyclic Scaffolds via Dual Ruthenium Hydride/Broensted Acid-Catalyzed Isomerization/Cyclization of Allylic Ethers.

Author

Ascic, Erhad, Ohm, Ragnhild G., Petersen, Rico, Hansen, Mette R., Hansen, Casper L., Madsen, Daniel, Tanner, David, and Nielsen, Thomas E.

Subjects
*RUTHENIUM compounds, *BRONSTED acids, *ISOMERIZATION, *RING formation (Chemistry), *ETHERS, *CARBENIUM ions
Abstract

A variety of tetrahydropyranoindoles and related scaffolds are synthesized from allylic ethers via an isomerization/oxocarbenium cyclization sequence. [ABSTRACT FROM AUTHOR]

Published
2014
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12. ChemInform Abstract: Reductive Cyclization and Petasis-Like Reaction for the Synthesis of Functionalized γ-Lactams.

Author

Wu, Peng, Petersen, Michael Aaxman, Cohrt, A. Emil, Petersen, Rico, Clausen, Mads H., and Nielsen, Thomas E.

Subjects
*RING formation (Chemistry), *LACTAMS, *CHEMICAL synthesis, *BORONIC acids, *CHELATION, *NUCLEOPHILIC addition (Chemistry)
Abstract

N-substituted β,γ-dihydroxy-γ-lactams are convenient substrates for Petasis-like reactions with boronic acids. [ABSTRACT FROM AUTHOR]

Published
2015
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