PALLADIUM CATALYZED DIRECT ARYLATION OF IMIDAZOLE AND BENZIMIDAZOLE USING BROMO-4-PYRONES

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GHASEMI ZARRIN; POORHOSSAIN MEJARSHIN FATEMEH; SHAHRISA AZIZ

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Seminar Paper

Paper Information

Seminar: IRANIAN SEMINAR OF ORGANIC CHEMISTRY
Year:2012 | Issue:19

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Title

PALLADIUM CATALYZED DIRECT ARYLATION OF IMIDAZOLE AND BENZIMIDAZOLE USING BROMO-4-PYRONES

Author(s)

GHASEMI ZARRIN | POORHOSSAIN MEJARSHIN FATEMEH | SHAHRISA AZIZ

Keywords

Not Registered.

Abstract

IMIDAZOLES AND BENZIMIDAZOLES ARE FREQUENTLY FOUND IN A DIVERSE ARRAY OF COMPOUNDS, INCLUDING BIOLOGICALLY AND THERAPEUTICALLY ACTIVE AGENTS, NATURAL PRODUCTS AND FUNCTIONAL MATERIALS [1, 2].VARIOUS HETEROCYCLIC DERIVATIVES OF 4-PYRONES HAVE ALSO BEEN THE SUBJECT OF SEVERAL SYNTHETIC STUDIES, OWING TO THEIR VARIOUS BIOLOGICAL PROPERTIES SUCH ASANTICOAGULATION [3]. THROUGHOUT OUR RECENT WORKS ON SYNTHESIS OF NEW POLYCYCLIC AND FUNCTIONAL 4-PYRONES BASED ON BAYLIS-HILLMAN CHEMISTRY OR CROSS COUPLING REACTIONS [4, 5], WE REPORT HERE THE SYNTHESIS OF NEW IMIDAZOLYL AND BENZIMIDAZOLYL DERIVATIVES OF 4-PYRONES BY PD (OAC) 2 CATALYZED COUPLING OF THESE AZAARYLS WITH 3, 5-DIBROMO-2, 6-DIARYL-4-PYRONES IN THE PRESENCE OF N, N’-DIBUTYLBENZIMIDAZOL-2-YLIDENE AS LIGAND IN DMF AT 120OC. A MIXTURE OF N - AND C - MONOARYLATED PRODUCTS WERE OBTAINED WHICH WERE PURIFIED USING PLC AND CHARACTERIZED WITH SPECTROSCOPIC METHODS.

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APA: Copy

GHASEMI, ZARRIN, POORHOSSAIN MEJARSHIN, FATEMEH, & SHAHRISA, AZIZ. (2012). PALLADIUM CATALYZED DIRECT ARYLATION OF IMIDAZOLE AND BENZIMIDAZOLE USING BROMO-4-PYRONES. IRANIAN SEMINAR OF ORGANIC CHEMISTRY. SID. https://sid.ir/paper/909494/en

Vancouver: Copy

GHASEMI ZARRIN, POORHOSSAIN MEJARSHIN FATEMEH, SHAHRISA AZIZ. PALLADIUM CATALYZED DIRECT ARYLATION OF IMIDAZOLE AND BENZIMIDAZOLE USING BROMO-4-PYRONES. 2012. Available from: https://sid.ir/paper/909494/en

IEEE: Copy

ZARRIN GHASEMI, FATEMEH POORHOSSAIN MEJARSHIN, and AZIZ SHAHRISA, “PALLADIUM CATALYZED DIRECT ARYLATION OF IMIDAZOLE AND BENZIMIDAZOLE USING BROMO-4-PYRONES,” presented at the IRANIAN SEMINAR OF ORGANIC CHEMISTRY. 2012, [Online]. Available: https://sid.ir/paper/909494/en

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