Search

Your search keyword '"Ahmed, Atiur"' showing total 10 results
Start Over Author "Ahmed, Atiur" Topic ring closure reactions
10 results on '"Ahmed, Atiur"'

1. ChemInform Abstract: KOtBu Mediated Efficient Approach for the Synthesis of Fused Heterocycles via Intramolecular O-/N-Arylations.

Author

Singha, Raju, Ahmed, Atiur, Nuree, Yasin, Ghosh, Munmun, and Ray, Jayanta K.

Subjects
*HETEROCYCLIC compounds synthesis, *HETEROCYCLIC compounds, *CHEMICAL synthesis, *CHARTS, diagrams, etc.
Abstract

A diagram is presented which shows the synthesis of fused heterocycles using the KOtBu mediated efficient approach.

Published
2015
Full Text
View/download PDF

2. ChemInform Abstract: Ligand-Free Copper Powder-Catalyzed and KOtBu-Accelerated Expeditious Synthesis of Substituted Benzoxazoles.

Author

Ahmed, Atiur, Singha, Raju, and Ray, Jayanta K.

Subjects
*BENZOXAZOLES, *LIGANDS (Chemistry), *COPPER powder, *ANILIDES, *CHEMICAL synthesis, *RING formation (Chemistry)
Abstract

This convenient and efficient cyclization reaction of ortho-iodoanilides allows the synthesis of benzoxazoles under ligand free conditions. [ABSTRACT FROM AUTHOR]

Published
2015
Full Text
View/download PDF

3. ChemInform Abstract: Palladium Catalyzed One-Pot Synthesis of 2-(Pyridin-4-yl) Quinolines via a Multicomponent Unprecedented Reaction of Pyridine-4-carbaldehyde, 2-Iodoaniline and Triethylamine.

Author

Ahmed, Atiur, Dhara, Shubhendu, Singha, Raju, Nuree, Yasin, Sarkar, Pompy, and Ray, Jayanta K.

Subjects
*BENZALDEHYDE, *PALLADIUM catalysts, *IMINES
Abstract

Using benzaldehyde (VII) as aldehyde component or 2-bromoaniline (IXa) or 2-iodo-4,6-dimethylaniline (IXb), resp., as amine component, gives intermediate imines only. [ABSTRACT FROM AUTHOR]

Published
2015
Full Text
View/download PDF

5. ChemInform Abstract: Synthesis of Phenanthridine and Its Analogues via Aerobic Ligand-Free Domino Suzuki Coupling-Michael Addition Reaction Catalyzed by in situ Generated Palladium-Nanoparticles in Water.

Author

Ghosh, Munmun, Ahmed, Atiur, Dhara, Shubhendu, and Ray, Jayanta K.

Subjects
*PHENANTHRIDINE, *SUZUKI reaction, *MICHAEL reaction, *CHARTS, diagrams, etc.
Abstract

The synthesis of the title compounds is achieved from aryl bromides and 2-aminophenylboronic acid under mild reaction conditions. [ABSTRACT FROM AUTHOR]

Published
2014
Full Text
View/download PDF

8. ChemInform Abstract: One-Pot Synthesis of Highly Fluorescent Polycyclic Benzimidazole Derivatives.

Author

Manna, Susanta Kumar, Mondal, Suresh Kumar, Ahmed, Atiur, Mandal, Arabinda, Jana, Atanu, Ikbal, Mohammed, Samanta, Shubhankar, and Ray, Jayanta K.

Subjects
*FLUOROPHORES, *BENZIMIDAZOLE derivatives, *FLUORESCENCE, *SOLVENTS, *HYDROGEN-ion concentration
Abstract

Fluorescence properties of the formed benzimidazoles in different solvents and at different pH are investigated. [ABSTRACT FROM AUTHOR]

Published
2014
Full Text
View/download PDF

10. ChemInform Abstract: Pd-Free Sonogashira Coupling: One Pot Synthesis of Phthalide via Domino Sonogashira Coupling and 5-exo-dig Cyclization.

Author

Dhara, Shubhendu, Singha, Raju, Ghosh, Munmun, Ahmed, Atiur, Nuree, Yasin, Das, Anuvab, and Ray, Jayanta K.

Subjects
*SONOGASHIRA reaction, *CHEMICAL synthesis, *PHTHALIDES, *RING formation (Chemistry), *FURAN derivatives
Abstract

Phthalides are synthesized using a short and efficient methodology under mild conditions. [ABSTRACT FROM AUTHOR]

Published
2015
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results