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Giri, Ramesh

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• 2012 - Faculty Member, University of New Mexico

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• Doctoral Dissertation

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Publications

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  • Giri, R., Brusoe, A., Troshin, K., Wang, J. Y., Font, M., Hartwig, J. F. Mechanism of the Ullmann biaryl ether synthesis catalyzed by complexes of anionic ligands: Evidence for the reaction of iodoarenes with ligated anionic Cu-I intermediates Journal of the American Chemical Society  2018 140:793-806  DOI:10.1021/jacs.7b11853  PMID:29224350  PMCID:PMC5810543
  • Thapa, S., Dhungana, R. K., Magar, R. T., Shrestha, B., Shekhar, K. C., Giri, R. Ni-catalysed regioselective 1,2-diarylation of unactivated olefins by stabilizing Heck intermediates as pyridylsilyl-coordinated transient metallacycles Chemical Science  2018 9:904-909  DOI:10.1039/c7sc04351a  PMID:29629157  PMCID:PMC5872806
  • KC, S., Dhungana, R. K., Shrestha, B., Thapa, S., Khanal, N., Basnet, P., Lebrun, R. W., Giri, R. Ni-catalyzed regioselective alkylarylation of vinylarenes via C(sp3)–C(sp3)/C(sp3)–C(sp2) bond formation and mechanistic studies Journal of the American Chemical Society  2018 140:9801-9805  DOI:10.1021/jacs.8b05374  PMID:30049210
  • Shekhar, K. C., Basnet, P., Thapa, S., Shrestha, B., Giri, R. Ni-catalyzed regioselective dicarbofunctionalization of unactivated olefins by tandem cyclization/cross-coupling and application to the concise synthesis of lignan natural products Journal of Organic Chemistry  2018 83:2920-2936  DOI:10.1021/acs.joc.8b00184  PMID:29446941
  • Basnet, P., Dhungana, R. K., Thapa, S., Shrestha, B., Shekhar, K. C., Sears, J. M., Giri, R. Ni-catalyzed regioselective β,δ-diarylation of unactivated olefins in ketimines via ligand-enabled contraction of transient nickellacycles: rapid access to remotely diarylated ketones Journal of the American Chemical Society  2018 140:7782-7786  DOI:10.1021/jacs.8b03163  PMID:29893556
  • Giri, R., Shekhar, K. C. Strategies toward dicarbofunctionalization of unactivated olefins by combined Heck carbometalation and cross-coupling Journal of Organic Chemistry  2018 83:3013-3022  DOI:10.1021/acs.joc.7b03128  PMID:29482323
  • Basnet, P., KC, S., Dhungana, R. K., Shrestha, B., Boyle, T. J., Giri, R. Synergistic bimetallic Ni/Ag and Ni/Cu catalysis for regioselective γ,δ-diarylation of alkenyl ketimines: addressing β-H elimination by in situ generation of cationic Ni(II) catalysts Journal of the American Chemical Society  2018 140:15586-15590  DOI:10.1021/jacs.8b09401  PMID:30392352
  • Dhungana, R. K., KC, S., Basnet, P., Giri, R. Transition metal-catalyzed dicarbofunctionalization of unactivated olefins Chemical Record  2018 18:1314-1340  DOI:10.1002/tcr.201700098  PMID:29517841
  • Thapa, S., Basnet, P., Giri, R. Copper-catalyzed dicarbofunctionalization of unactivated olefins by tandem cyclization/cross-coupling Journal of the American Chemical Society  2017 139:5700-5703  DOI:10.1021/jacs.7b01922  PMID:28403607
  • Shrestha, B., Basnet, P., Dhungana, R. K., Shekhar, K. C., Thapa, S., Sears, J. M., Giri, R. Ni-catalyzed regioselective 1,2-dicarbofunctionalization of olefins by intercepting Heck intermediates as imine-stabilized transient metallacycles Journal of the American Chemical Society  2017 139:10653-10656  DOI:10.1021/jacs.7b06340  PMID:28737904
  • Dhungana, R. K., Shrestha, B., Thapa-Magar, R., Basnet, P., Giri, R. Pd-catalyzed regioselective 1,2-dicarbofunctionalization of unactivated olefins by a Heck reaction/enolate cyclization cascade Organic Letters  2017 19:2154-2157  DOI:10.1021/acs.orglett.7b00794  PMID:28383271
  • Thapa, S., Vangala, A. S., Giri, R. Copper-catalyzed Negishi coupling of diarylzinc reagents with aryl iodides Synthesis-Stuttgart  2016 48:504-511  DOI:10.1055/s-0035-1560397
  • Shrestha, B., Thapa, S., Gurung, S. K., Pike, R. A. S., Giri, R. General copper-catalyzed coupling of alkyl-, aryl-, and alkynylaluminum reagents with organohalides Journal of Organic Chemistry  2016 81:787-802  DOI:10.1021/acs.joc.5b02077  PMID:26735748
  • Basnet, P., Thapa, S., Dickie, D. A., Giri, R. The copper-catalysed Suzuki-Miyaura coupling of alkylboron reagents: disproportionation of anionic (alkyl)(alkoxy)borates to anionic dialkylborates prior to transmetalation Chemical Communications  2016 52:11072-11075  DOI:10.1039/c6cc05114f  PMID:27540605
  • Thapa, S., Basnet, P., Gurung, S. K., Giri, R. Copper-catalysed cross-coupling of arylzirconium reagents with aryl and heteroaryl iodides Chemical Communications  2015 51:4009-4012  DOI:10.1039/c5cc00116a  PMID:25658070
  • Thapa, S., Shrestha, B., Gurung, S. K., Giri, R. Copper-catalysed cross-coupling: an untapped potential Organic & Biomolecular Chemistry  2015 13:4816-4827  DOI:10.1039/c5ob00200a  PMID:25829351
  • Gurung, S. K., Thapa, S., Shrestha, B., Giri, R. Copper-catalysed cross-couplings of arylboronate esters with aryl and heteroaryl iodides and bromides Organic Chemistry Frontiers  2015 2:649-653  DOI:10.1039/c4qo00331d
  • Shrestha, B., Giri, R. Copper-catalyzed arylation of alkyl halides with arylaluminum reagents Beilstein Journal of Organic Chemistry  2015 11:2400-2407  DOI:10.3762/bjoc.11.261  PMID:26734088  PMCID:PMC4685909
  • Giri, R., Thapa, S. Copper-catalyzed cross-couplings of organometallic reagents with and without assistance from PN ligands Synlett  2015 26:709-715  DOI:10.1055/s-0034-1380121
  • Thapa, S., Kafle, A., Gurung, S. K., Montoya, A., Riedel, P., Giri, R. Ligand-free copper-catalyzed negishi coupling of alkyl-, aryl-, and alkynylzinc reagents with heteroaryl iodides Angewandte Chemie-International Edition  2015 54:8236-8240  DOI:10.1002/anie.201502379  PMID:26016822
  • Gurung, S. K., Thapa, S., Kafle, A., Dickie, D. A., Giri, R. Copper-catalyzed Suzuki-Miyaura coupling of arylboronate esters: transmetalation with (PN)CuF and identification of intermediates Organic Letters  2014 16:1264-1267  DOI:10.1021/ol500310u  PMID:24499358
  • Thapa, S., Gurung, S. K., Dickie, D. A., Giri, R. Copper-catalyzed coupling of triaryl- and trialkylindium reagents with aryl iodides and bromides through consecutive transmetalations Angewandte Chemie - International Edition  2014 53:11620-11624  DOI:10.1002/anie.201407586  PMID:25213151
  • Gurung, S. K., Thapa, S., Shrestha, B., Giri, R. Copper-catalyzed cross-coupling of aryl- and heteroaryltriethoxysilanes with aryl and heteroaryl iodides and bromides Synthesis-Stuttgart  2014 46:1933-1937  DOI:10.1055/s-0033-1339108
  • Giri, R., Thapa, S., Kafle, A. Palladium-catalysed, directed C-H coupling with organometallics Advanced Synthesis & Catalysis  2014 356:1395-1411  DOI:10.1002/adsc.201400105
  • Gong, W., Zhang, G., Liu, T., Giri, R., Yu, J. Q. Site-selective C(sp3)-H functionalization of di-, tri-, and tetrapeptides at the N-terminus Journal of the American Chemical Society  2014 136:16940-16946  DOI:10.1021/ja510233h  PMID:25384178  PMCID:PMC4277765
  • Gurung, S. K., Thapa, S., Vangala, A. S., Giri, R. Copper-catalyzed Hiyama coupling of (hetero)aryltriethoxysilanes with (hetero)aryl iodides Organic Letters  2013 15:5378-5381  DOI:10.1021/ol402701x  PMID:24079478
  • Giri, R., Lan, Y., Liu, P., Houk, K. N., Yu, J. Q. Understanding reactivity and stereoselectivity in palladium-catalyzed diastereoselective sp3 C-H bond activation: intermediate characterization and computational studies Journal of the American Chemical Society  2012 134:14118-14126  DOI:10.1021/ja304643e  PMID:22830301
  • Tye, J. W., Weng, Z., Giri, R., Hartwig, J. F. Copper(I) phenoxide complexes in the etherification of aryl halides Angewandte Chemie - International Edition  2010 49:2185-2189  DOI:10.1002/anie.200902245  PMID:20198667  PMCID:PMC3008396
  • Giri, R., Hartwig, J. F. Cu(I)-amido complexes in the Ullmann reaction: reactions of Cu(I)-amido complexes with iodoarenes with and without autocatalysis by CuI Journal of the American Chemical Society  2010 132:15860-15863  DOI:10.1021/ja105695s  PMID:20977264  PMCID:PMC2990966
  • Giri, R., Lam, J. K., Yu, J. Q. Synthetic applications of Pd(II)-catalyzed C-H carboxylation and mechanistic insights: expedient routes to anthranilic acids, oxazolinones, and quinazolinones Journal of the American Chemical Society  2010 132:686-693  DOI:10.1021/ja9077705  PMID:20000840
  • Chen, X., Dobereiner, G., Hao, X. S., Giri, R., Maugel, N., Yu, J. Q. Cu(II)-mediated oxidative dimerization of 2-phenylpyridine derivatives Tetrahedron  2009 65:3085-3089  DOI:10.1016/j.tet.2008.10.053
  • Giri, R., Shi, B. F., Engle, K. M., Maugel, N., Yu, J. Q. Transition metal-catalyzed C-H activation reactions: Diastereoselectivity and enantioselectivity Chemical Society Reviews  2009 38:3242-3272  DOI:10.1039/b816707a  PMID:19847354
  • Giri, R., Maugel, N., Foxman, B. M., Yu, J. Q. Dehydrogenation of inert alkyl groups via remote C-H activation: Converting a propyl group into a π-allylic complex Organometallics  2008 27:1667-1670  DOI:10.1021/om8000444
  • Wang, D. H., Wasa, M., Giri, R., Yu, J. Q. Pd(II)-catalyzed cross-coupling of sp3 C-H Bonds with sp2 and sp3 boronic acids using air as the oxidant Journal of the American Chemical Society  2008 130:7190-7191  DOI:10.1021/ja801355s  PMID:18479089
  • Mei, T. S., Giri, R., Maugel, N., Yu, J. Q. Pd(II)-catalyzed monoselective ortho halogenation of C-H bonds assisted by counter cations: a complementary method to directed ortho lithiation Angewandte Chemie-International Edition  2008 47:5215-5219  DOI:10.1002/anie.200705613  PMID:18523942
  • Li, J. J., Giri, R., Yu, J. Q. Remote C-H bond functionalization reveals the distance-dependent isotope effect Tetrahedron  2008 64:6979-6987  DOI:10.1016/j.tet.2008.03.026
  • Giri, R., Yu, J. Q. Synthesis of 1,2- and 1,3-dicarboxylic acids via Pd(II)-catalyzed carboxylation of aryl and vinyl C-H bonds Journal of the American Chemical Society  2008 130:14082-14083  DOI:10.1021/ja8063827  PMID:18834125
  • Giri, R., Maugel, N., Li, J. J., Wang, D. H., Breazzano, S. P., Saunders, L. B., Yu, J. Q. Palladium-catalyzed methylation and arylation of sp2 and sp3 C-H bonds in simple carboxylic acids Journal of the American Chemical Society  2007 129:3510-3511  DOI:10.1021/ja0701614  PMID:17335217
  • Giri, R., Wasa, M., Breazzano, S. P., Yu, J. Q. Converting gem-dimethyl groups into cyclopropanes via Pd-catalyzed sequential C-H activation and radical cyclization Organic Letters  2006 8:5685-5688  DOI:10.1021/ol0618858  PMID:17134247
  • Yu, J. Q., Giri, R., Chen, X. Sigma-chelation-directed C-H functionalizations using Pd(II) and Cu(II) catalysts: Regioselectivity, stereoselectivity and catalytic turnover Organic & Biomolecular Chemistry  2006 4:4041-4047  DOI:10.1039/b611094k  PMID:17312954
  • Li, Y., Llewellyn, N. M., Giri, R., Huang, F., Spencer, J. B. Biosynthesis of the unique amino acid side chain of butirosin: possible protective-group chemistry in an acyl carrier protein-mediated pathway Chemistry & Biology  2005 12:665-675  DOI:10.1016/j.chembiol.2005.04.010  PMID:15975512
  • Giri, R., Chen, X., Hao, X. S., Li, J. J., Liang, J., Fan, Z. P., Yu, J. Q. Catalytic and stereoselective iodination of prochiral C-H bonds Tetrahedron-Asymmetry  2005 16:3502-3505  DOI:10.1016/j.tetasy.2005.08.049
  • Giri, R., Chen, X., Yu, J. Q. Palladium-catalyzed asymmetric iodination of unactivated C-H bonds under mild conditions Angewandte Chemie-International Edition  2005 44:2112-2115  DOI:10.1002/anie.200462884  PMID:15729724
  • Giri, R., Liang, J., Lei, J. G., Li, J. J., Wang, D. H., Chen, X., Naggar, I. C., Guo, C. Y., Foxman, B. M., Yu, J. Q. Pd-catalyzed stereoselective oxidation of methyl groups by inexpensive oxidants under mild conditions: A dual role for carboxylic anhydrides in catalytic C-H bond oxidation Angewandte Chemie-International Edition  2005 44:7420-7424  DOI:10.1002/anie.200502767  PMID:16247822
  • Tuladhar, S. M., Bajracharya, G. B., Pokharel, D. R., Giri, R. The potentially anticarcinogenic flavonoids in vegetables, fruits and spices Nepal Journal of Science and Technology  2000 2:17-26

Background

education and training

• Ph.D. in Chemistry, Scripps Research , Transferred from Brandeis University 2007 - 2009

advisee of

• graduate advising relationship

  • Yu, Jin-Quan, Ph.D.  candidacy, 2005 - 2009

Contact

full name

• Ramesh Giri

geographic location

• Scripps California