PubRank

Gerald B Hammond

Author PubWeight™ 43.61‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Antibacterial activity of some Peruvian medicinal plants from the Callejon de Huaylas. J Ethnopharmacol 2002 1.35
2 Antioxidant activities and antitumor screening of extracts from cranberry fruit (Vaccinium macrocarpon). J Agric Food Chem 2002 1.26
3 Recent advances in the isolation and reactivity of organogold complexes. Chem Soc Rev 2012 1.07
4 Synthesis, cytotoxicity, and anti-Trypanosoma cruzi activity of new chalcones. J Med Chem 2008 1.06
5 Ethnobotany, phytochemistry and pharmacology of Uncaria (Rubiaceae). Phytochemistry 2005 1.04
6 Synthesis and structural characterization of stable organogold(I) compounds. Evidence for the mechanism of gold-catalyzed cyclizations. J Am Chem Soc 2008 1.03
7 Ligand effects and ligand design in homogeneous gold(I) catalysis. J Am Chem Soc 2012 1.02
8 Thermodynamically favored aldol reaction of propargyl or allenyl esters: regioselective synthesis of carbinol allenoates. Angew Chem Int Ed Engl 2008 0.95
9 Highly efficient Cu(I)-catalyzed synthesis of N-heterocycles through a cyclization-triggered addition of alkynes. J Am Chem Soc 2010 0.94
10 Designer HF-based fluorination reagent: highly regioselective synthesis of fluoroalkenes and gem-difluoromethylene compounds from alkynes. J Am Chem Soc 2014 0.94
11 Large scale synthesis of the Cdc42 inhibitor secramine A and its inhibition of cell spreading. Org Biomol Chem 2006 0.91
12 Concise preparation of 2,2-difluorohomopropargyl carbonyl derivatives. Application to the synthesis of 4,4-difluoroisoquinolinone congeners. J Org Chem 2008 0.90
13 In vitro and in vivo anti-Leishmania activity of polysubstituted synthetic chalcones. Bioorg Med Chem Lett 2009 0.90
14 Fluorine-enabled cationic gold catalysis: functionalized hydration of alkynes. Angew Chem Int Ed Engl 2010 0.89
15 Regiospecific synthesis of bicyclo- and heterobicyclo-gem-difluorocyclobutenes using functionalized fluoroallenes and a novel Mo-catalyzed intramolecular [2 + 2] cycloaddition reaction. J Am Chem Soc 2002 0.89
16 Use of a modified microplate bioassay method to investigate antibacterial activity in the Peruvian medicinal plant Peperomia galioides. J Ethnopharmacol 2004 0.88
17 Cationic gold catalyst poisoning and reactivation. Org Lett 2014 0.87
18 In vivo wound-healing activity of oleanolic acid derived from the acid hydrolysis of Anredera diffusa. J Nat Prod 2006 0.85
19 Antihyperlipidemic compounds from the fruit of Piper longum L. Phytother Res 2009 0.85
20 Identification of triterpene hydroxycinnamates with in vitro antitumor activity from whole cranberry fruit (Vaccinium macrocarpon). J Agric Food Chem 2003 0.85
21 Synthesis of functionalized alpha,alpha-disubstituted beta-alkynyl esters from allenoates through an alkynylenolate intermediate. Org Lett 2008 0.85
22 Recent synthetic additions to the visible light photoredox catalysis toolbox. Org Biomol Chem 2015 0.84
23 Intramolecular hydroamination of difluoropropargyl amides: regioselective synthesis of fluorinated beta- and gamma-lactams. Org Lett 2007 0.84
24 Cytotoxic and anti-infective sesquiterpenes present in Plagiochila disticha (Plagiochilaceae) and Ambrosia peruviana (Asteraceae). Planta Med 2009 0.84
25 A highly efficient and broadly applicable cationic gold catalyst. Angew Chem Int Ed Engl 2014 0.83
26 Physangulidines A, B, and C: three new antiproliferative withanolides from Physalis angulata L. Org Lett 2012 0.83
27 AuX3-mediated selective head-to-head dimerization of difluoropropargyl amides. J Org Chem 2009 0.83
28 Reactions of cationic gold(I) with allenoates: synthesis of stable organogold(I) complexes and mechanistic investigations on gold-catalyzed cyclizations. Chem Asian J 2009 0.83
29 Alkyne/alkene/allene-induced disproportionation of cationic gold(I) catalyst. Chemistry 2014 0.83
30 Synthesis of α-CN and α-CF3 N-heterocycles through tandem nucleophilic additions. Org Lett 2011 0.82
31 Gold-catalyzed addition of N-hydroxy heterocycles to alkynes and subsequent 3,3-sigmatropic rearrangement. Org Lett 2013 0.82
32 Synthesis of 2,4,5-trisubstituted 3-fluorofurans via sequential iodocyclization and cross-coupling of gem-difluorohomopropargyl alcohols. J Org Chem 2008 0.82
33 A multipronged approach to the study of peruvian ethnomedicinal plants: a legacy of the ICBG-Peru Project. J Nat Prod 2009 0.81
34 Aegicerin, the first oleanane triterpene with wide-ranging antimycobacterial activity, isolated from Clavija procera. J Nat Prod 2006 0.81
35 Difluoroallenyl bromide as a wide-ranging difluoromethylene cation equivalent: SN2 substitution of difluoropropargyl bromide through sequential SE2' and SN2' reactions. Angew Chem Int Ed Engl 2005 0.81
36 Isolation of cytotoxic metabolites from targeted peruvian amazonian medicinal plants. J Nat Prod 2007 0.80
37 Selective synthesis of fluorinated furan derivatives via AgNO3-catalyzed activation of an electronically deficient triple bond. J Org Chem 2007 0.80
38 Michael addition of allenoates to electron-deficient olefins: facile synthesis of 2-alkynyl-substituted glutaric acid derivatives. Org Lett 2008 0.78
39 Crystallographic characterization of difluoropropargyl indium bromide, a reactive fluoroorganometallic reagent. Angew Chem Int Ed Engl 2006 0.78
40 Enhanced reactivity in homogeneous gold catalysis through hydrogen bonding. Org Lett 2014 0.78
41 Highly efficient and tunable synthesis of dioxabicyclo[4.2.1] ketals and tetrahydropyrans via gold-catalyzed cycloisomerization of 2-alkynyl-1,5-diols. Org Lett 2009 0.78
42 Efficient generation and increased reactivity in cationic gold via Brønsted acid or Lewis acid assisted activation of an imidogold precatalyst. Org Lett 2014 0.78
43 Supported gold nanoparticle-catalyzed hydration of alkynes under basic conditions. Org Lett 2014 0.77
44 Efficient synthesis of gamma-keto esters through neighboring carbonyl group-assisted regioselective hydration of 3-alkynoates. J Org Chem 2009 0.77
45 The [4+2], not [2+2], mechanism occurs in the gold-catalyzed intramolecular oxygen transfer reaction of 2-alkynyl-1,5-diketones. Angew Chem Int Ed Engl 2010 0.77
46 Trypanoside, anti-tuberculosis, leishmanicidal, and cytotoxic activities of tetrahydrobenzothienopyrimidines. Bioorg Med Chem 2010 0.77
47 Cytotoxic and anti-infective phenolic compounds isolated from Mikania decora and Cremastosperma microcarpum. Planta Med 2011 0.76
48 A new convenient synthesis of propargylic fluorohydrins and 2,5-disubstituted furans from fluoropropargyl chloride. J Org Chem 2006 0.75
49 Synthesis of Pyrrolidines and Pyrroles via Tandem Amination/Cyanation/Alkylation and Amination/Oxidation Sequences. European J Org Chem 2014 0.75
50 Construction of cyclic enones via gold-catalyzed oxygen transfer reactions. Beilstein J Org Chem 2011 0.75
51 Synthesis of fluorinated δ-lactams via cycloisomerization of gem-difluoropropargyl amides. Beilstein J Org Chem 2010 0.75
52 Gold-catalyzed cascade annulations of 2-(ynol)aryl aldehydes: facile synthesis of benzochromanes and benzobicyclo[n.3.1]acetals. Org Lett 2010 0.75
53 Gold-catalyzed, intramolecular, oxygen-transfer reactions of 2-alkynyl-1,5-diketones or 2-alkynyl-5-ketoesters: scope, expansion, and mechanistic investigations on a new [4+2] cycloaddition. Chemistry 2011 0.75
54 Anti-infective and cytotoxic compounds present in Blepharodon nitidum. Planta Med 2008 0.75
55 Potassium tris(triflyl)methide (KCTf3): a broadly applicable promoter for cationic metal catalysis. Chem Commun (Camb) 2015 0.75
56 Supported gold nanoparticles catalyzed cis-selective semihydrogenation of alkynes using ammonium formate as the reductant. Chem Commun (Camb) 2016 0.75
57 Efficient hydration of alkynes through acid-assisted Brønsted acid catalysis. Chem Commun (Camb) 2014 0.75
58 Widely Applicable Hydrofluorination of Alkenes via Bifunctional Activation of Hydrogen Fluoride. J Am Chem Soc 2017 0.75
59 Isolation of the active compound in Mauria heterophylla, a Peruvian plant with antibacterial activity. Phytother Res 2006 0.75
60 Ligand design in gold catalysis and chemistry of gold-oxonium intermediates. Top Curr Chem 2015 0.75
61 Intrapilosins I-VII, pentasaccharides from the seeds of Ipomoea intrapilosa. J Nat Prod 2007 0.75
62 Functionalization of monofluoroallene and the synthesis of aryl-substituted conjugated fluorodienes. Org Lett 2002 0.75
63 On the nature of organoindium intermediates: the formation of readily isolable difluoropropargylindium reagents and their regioselectivity towards electrophilic substitutions. Chemistry 2008 0.75
64 Physangulidine A, a withanolide from Physalis angulata, perturbs the cell cycle and induces cell death by apoptosis in prostate cancer cells. J Nat Prod 2012 0.75
65 TBAF-mediated aldol reaction of beta-allenoates: regio- and stereoselective synthesis of (2E,4E)-4-carbinol alkadienoates. J Org Chem 2009 0.75
66 Rapid chemical reaction workup based on a rigid solvent extraction. Org Lett 2014 0.75
67 Stereoselective synthesis of monofluoroalkyl α,β-unsaturated ketones from allenyl carbinol esters mediated by gold and Selectfluor. J Org Chem 2012 0.75
68 Lanthanide triflate-catalyzed preparation of beta,beta-difluorohomopropargyl alcohols in aqueous media. Application to the synthesis of 4,4-difluoroisochromans. J Org Chem 2006 0.75
69 Highly regioselective synthesis of gem-difluoroallenes through magnesium organocuprate SN2' substitution. Org Lett 2006 0.75
70 Highly regioselective fluorination and iodination of alkynyl enolates. Org Lett 2008 0.75