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Unique CuI-pyridine based ligands catalytic systems for N-arylation of indoles and other heterocycles

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journal contribution
posted on 2018-05-23, 12:46 authored by Amol Taywade, Snehal Chavan, Avinash Ulhe, Baliram Berad

Two pyridine-based ligands (N-((pyridin-2-yl) methyl) pyridin-2-amine) L1 and (N-((pyridin-2-yl) methylene) pyridin-2-amine) L2 are explored in present work which are inexpensive, effective and environmentally benign in their properties. These have been utilized for C-N cross coupling reaction resulting in N-arylation. The N-arylation of indole, imidazole and triazole have been successfully carried out with different aryl and heteroaryl halides using these ligands.

Funding

The authors are thankful to Director, GVISH, Amravati, for providing necessary facilities. The authors are also grateful to the Director, Sophisticated Analytical Instrumentation Facility (SAIF), Panjab University, Chandigarh, for spectral Analysis. S. A. Chavan is thankful to Council of Scientific and Industrial Research (CSIR), New Delhi, (File No. 09/128(0086)/2012-EMR-I dated 22/06/2012) and A. G. Ulhe is thankful to UGC, New Delhi, (F. No. 39-799/2012(SR)) for the financial support in the form of Senior Research Fellowship.

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    Synthetic Communications

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    Keywords

    C-N Cross couplingL1 (N-((pyridin-2-yl) methyl) pyridin-2-amine)L2 (N-((pyridin-2-yl) methylene) pyridin-2-amine)pyridine-based ligands-arylation

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    CC BY 4.0

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