Works by Filer, Crist

Results: 76

Natural product labelling with tritium.

Published in:

Journal of Radioanalytical & Nuclear Chemistry, 2025, v. 334, n. 6, p. 3835, doi. 10.1007/s10967-025-10142-x

By:

Filer, Crist N.

Publication type:

Article

Dithizone-14C labelling and characterization.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2003, v. 46, n. 12, p. 1173

By:

Antonino D'Urso;
Crist N. Filer;
Mahendra Suryan;
C. T. Peng

Publication type:

Article

Dithizone-14C labelling and characterization.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2003, v. 16, n. 12, p. 1173

By:

Antonino D'Urso;
Crist N. Filer;
Mahendra Suryan;
C. T. Peng

Publication type:

Article

Synthesis and characterization of the potent cannabinoid agonist [naphthyl-3H] WIN 55212-2 at high specific activity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2003, v. 46, n. 1, p. 67, doi. 10.1002/jlcr.644

By:

Seguin, Richard J.;
Filer, Crist N.

Publication type:

Article

Synthesis and characterization of [vinylidene-3H] (−)- α-kainic acid at high specific activity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2002, v. 45, n. 5, p. 401, doi. 10.1002/jlcr.562

By:

Ahern, David G.;
Seguin, Richard J.;
Filer, Crist N.

Publication type:

Article

The preparation of isotopically labelled macrocyclic compounds by organic synthesis.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2001, v. 44, n. 13, p. 931, doi. 10.1002/jlcr.514

By:

Filer, Crist N.

Publication type:

Article

The Willgerodt-Kindler reaction: direct 13 C NMR evidence in support of carbon skeleton integrity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2001, v. 44, n. 6, p. 413, doi. 10.1002/jlcr.475

By:

Brewitt, Thomas J.;
Filer, Crist N.;
Lacy, James M.;
Peng, C.T.

Publication type:

Article

Synthesis and characterization of [phenyl-3H] clonidine hydrochloride at high specific activity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2001, v. 44, n. 5, p. 323, doi. 10.1002/jlcr.457

By:

Filer, Crist N.;
Ahern, David G.

Publication type:

Article

Synthesis and characterization of [2-3H] (1R,2S)- (−)-2-amino-1,2-diphenylethanol.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2001, v. 44, n. 1, p. 43, doi. 10.1002/jlcr.430

By:

Egan, Judith A.;
Filer, Crist N.

Publication type:

Article

Isotopic fractionation of organic compounds in chromatography.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1999, v. 42, n. 2, p. 169, doi. 10.1002/(SICI)1099-1344(199902)42:2<169::AID-JLCR178>3.0.CO;2-0

By:

Filer, Crist N.

Publication type:

Article

Synthesis of high specific activity [1-14C] 3-N,N-dimethylaminopropylamine.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1998, v. 41, n. 8, p. 781, doi. 10.1002/(SICI)1099-1344(1998080)41:8<781::AID-JLCR128>3.0.CO;2-5

By:

Jian, Zhigang;
Filer, Crist;
Kelly, Terence P.

Publication type:

Article

Synthesis of 3,3-bis(3-fluorophenyl)-[2,3-3H2]-1-propanamine hydrochloride ([3H2]-NPS 846·HCl): a novel ligand for the NMDA receptor.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1998, v. 41, n. 6, p. 535, doi. 10.1002/(SICI)1099-1344(199806)41:6<535::AID-JLCR101>3.0.CO;2-P

By:

Moe, Scott T.;
Smith, Daryl L.;
By, Kolbot;
Egan, Judith A.;
Filer, Crist N.

Publication type:

Article

Synthesis of dual 14C-labeled (+)-calanolide A, a naturally occurring anti-HIV agent.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1997, v. 39, n. 11, p. 901, doi. 10.1002/(SICI)1099-1344(199711)39:11<901::AID-JLCR39>3.0.CO;2-H

By:

Gaddam, Subbareddy;
Khilevich, Albert;
Filer, Crist;
Rizzo, John D.;
Giltner, Jeremey;
Flavin, Michael T.;
Xu, Ze-Qi

Publication type:

Article

Synthesis of the rice herbicide HW-52 [dichlorophenyl ring 14C(U)].

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1993, v. 33, n. 2, p. 87, doi. 10.1002/jlcr.2580330203

By:

Kimura, Ikuo;
Yokoyama, Norimasa;
Kasahara, Kaoru;
Ueda, Takao;
Atsumi, Kazunori;
Filer, Crist;
Wright, Christopher

Publication type:

Article

The synthesis of glycine receptor radioligands [21, 22-3H] dihydrostrychnine and [2-3H] strychnine at high specific activity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1989, v. 27, n. 3, p. 309, doi. 10.1002/jlcr.2580270309

By:

Filer, Crist N.;
Ahern, David G.

Publication type:

Article

The preparation and characterization of [3H] histamine.2HCl at high specific activity1.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1987, v. 24, n. 6, p. 615, doi. 10.1002/jlcr.2580240602

By:

Filer, Crist N.;
Ahern, David G.

Publication type:

Article

The preparation and characterization of (±)-[phenoxy-3H(N)] phenoxybenzamine hydrochloride at high specific activity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1987, v. 24, n. 5, p. 485, doi. 10.1002/jlcr.2580240502

By:

Filer, Crist N.;
Fazio, Robert;
Morrison, John;
Ahern, David G.

Publication type:

Article

Mechanochemistry: Its Unrealized Potential in Natural Product Research.

Published in:

Natural Product Communications, 2025, v. 20, n. 3, p. 1, doi. 10.1177/1934578X251328470

By:

Filer, Crist N.

Publication type:

Article

Minor Cannabinoid Synthesis by Flow Chemistry.

Published in:

Natural Product Communications, 2024, v. 19, n. 10, p. 1, doi. 10.1177/1934578X241285209

By:

Filer, Crist N.

Publication type:

Article

Quantum Tunneling in Natural Product Biosynthesis.

Published in:

Natural Product Communications, 2024, v. 19, n. 4, p. 1, doi. 10.1177/1934578X241240885

By:

Filer, Crist N.

Publication type:

Article

Artificial intelligence and natural product research.

Published in:

Natural Product Research, 2025, v. 39, n. 7, p. 2051, doi. 10.1080/14786419.2024.2333048

By:

Filer, Crist N.

Publication type:

Article

The remarkable reimagining of psilocybin.

Published in:

Natural Product Research, 2025, v. 39, n. 7, p. 2048, doi. 10.1080/14786419.2023.2272285

By:

Filer, Crist N.

Publication type:

Article

Applications of Isotopes in Forensic Science.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2025, v. 68, n. 4, p. 1, doi. 10.1002/jlcr.4141

By:

Filer, Crist N.

Publication type:

Article

Luminescence enhancement by deuterium.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2023, v. 66, n. 12, p. 372, doi. 10.1002/jlcr.4056

By:

Filer, Crist N.

Publication type:

Article

A synthesis of [14C]formamidine acetate.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2022, v. 65, n. 7, p. 187, doi. 10.1002/jlcr.3971

By:

Filer, Crist N.;
Ullas, Giliyar V.

Publication type:

Article

Meet our advisors: Crist N. Filer.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2021, v. 64, n. 11, p. 423, doi. 10.1002/jlcr.3935

By:

Filer, Crist N.;
Trevorrow, Paul

Publication type:

Article

S‐(4‐nitrobenzyl)‐6‐thioinosine: Tritium labelling at high specific activity.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2020, v. 63, n. 9, p. 426, doi. 10.1002/jlcr.3844

By:

Filer, Crist N.;
Byon, Chang

Publication type:

Article

An alternative and simple synthesis of [14C]potassium cyanate.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2020, v. 63, n. 5, p. 240, doi. 10.1002/jlcr.3829

By:

Filer, Crist N.;
Peng, C.T.

Publication type:

Article

A convenient synthesis of the muscarinic cholinergic antagonist (R)‐[N‐methyl‐3H]quinuclidinyl benzilate methiodide.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2019, v. 62, n. 9, p. 604, doi. 10.1002/jlcr.3775

By:

Filer, Crist N.;
Seguin, Richard J.

Publication type:

Article

An efficient synthesis of trace amine‐associated receptor agonist [1‐14C]tyramine.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2019, v. 62, n. 1, p. 24, doi. 10.1002/jlcr.3671

By:

Filer, Crist N.;
Orphanos, Demetri

Publication type:

Article

Generation and use of tritiated borane in situ for formamide tritiation to an N‐methyl‐3H group.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2018, v. 61, n. 10, p. 805, doi. 10.1002/jlcr.3624

By:

Nugent, Richard P.;
Filer, Crist N.

Publication type:

Article

A synthesis of [14C]sodium ferrocyanide decahydrate.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2018, v. 61, n. 6, p. 515, doi. 10.1002/jlcr.3587

By:

Egan, Judith A.;
Filer, Crist N.

Publication type:

Article

Tritium-labelled alkaloids: Synthesis and applications.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2017, v. 60, n. 2, p. 96, doi. 10.1002/jlcr.3480

By:

Filer, Crist N.

Publication type:

Article

GMP synthesis of carbon-14 labelled substances.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2016, v. 59, n. 6, p. 233, doi. 10.1002/jlcr.3364

By:

Filer, Crist N.;
Maniscalco, Mario P.;
Thayer, Sandra L.

Publication type:

Article

Synthesis and characterization of [ N-methyl-3H]loperamide.

Published in:

2014

By:

Filer, Crist N.;
Egan, Judith A.;
Nugent, Richard P.

Publication type:

Other

Synthesis of [7-14C]bergapten.

Published in:

2014

By:

Filer, Crist N.;
Rodgers, Thomas

Publication type:

Other

Morphinan alkaloids labeled with tritium: synthesis and applications.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2013, v. 56, n. 13, p. 639, doi. 10.1002/jlcr.3094

By:

Filer, Crist N.

Publication type:

Article

Synthesis of [15, 16-3H] beta-funaltrexamine.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2013, v. 56, n. 5, p. 310, doi. 10.1002/jlcr.3050

By:

Filer, Crist N.;
Seguin, Richard J.

Publication type:

Article

Tritiated dihydro compounds employed as radioligand surrogates.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2011, v. 54, n. 12, p. 731, doi. 10.1002/jlcr.1928

By:

Filer, Crist N.

Publication type:

Article

Vicarious nucleophilic substitution: a dramatically shortened synthesis of 2-amino-6-nitrobenzoic acid labelled with carbon-14.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2011, v. 54, n. 7, p. 345, doi. 10.1002/jlcr.1873

By:

Kelly, Terence P.;
Filer, Crist N.;
Wright, Christopher

Publication type:

Article

The preparation of [ pentane-5,5,5-.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2011, v. 54, n. 4, p. 180, doi. 10.1002/jlcr.1840

By:

Byard, Stephen J.;
Carr, Steven A.;
DeFaria, Jose F.;
Filer, Crist N.;
Herbert, John M.;
Forcada, Tatiana Jaramillo

Publication type:

Article

Direct metal-catalyzed tritiation of organic compounds.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2010, v. 53, n. 11/12, p. 739, doi. 10.1002/jlcr.1801

By:

Filer, Crist N.

Publication type:

Article

GABAergic radioligands labelled with tritium.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2010, v. 53, n. 3, p. 120, doi. 10.1002/jlcr.1737

By:

Filer, Crist N.

Publication type:

Article

Lindlar catalyst mediated tritiation of a triazole substituted isoxazoline insecticide.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2010, v. 53, n. 1, p. 51, doi. 10.1002/jlcr.1700

By:

Rauh, James J.;
Lahm, George P.;
Pahutski, Thomas F.;
Ullas, Giliyar V.;
Filer, Crist N.

Publication type:

Article

Reflections on New England Nuclear (NEN).

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2007, v. 50, n. 9/10, p. 789, doi. 10.1002/jlcr.1419

By:

Filer, Crist N.

Publication type:

Article

The synthesis of dopaminergic radioligands labelled with tritium and iodine-125.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2007, v. 50, n. 8, p. 683, doi. 10.1002/jlcr.1399

By:

Filer, Crist N.

Publication type:

Article

High specific activity tritium labeling of anti-tumor agent CEP-2563.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2005, v. 48, n. 13, p. 997, doi. 10.1002/jlcr.1010

By:

Egan, Judith A.;
Filer, Crist N.;
Hudkins, Robert L.

Publication type:

Article

Tritiation of CEP-1347 at high specific activity using several methods.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2005, v. 48, n. 5, p. 331, doi. 10.1002/jlcr.927

By:

Egan, Judith A.;
Filer, Crist N.;
Pounds, Scot;
Connors, Thomas;
Knight, Ernest;
Hudkins, Robert L.

Publication type:

Article

Synthesis of some 6-keto morphinan mu opiate receptor agonists labelled with tritium at high specific activity.

Published in:

Journal of Radioanalytical & Nuclear Chemistry, 2013, v. 295, n. 2, p. 1029, doi. 10.1007/s10967-012-1877-9

By:

Ahern, David;
Egan, Judith;
Nugent, Richard;
Filer, Crist

Publication type:

Article

Trace amine receptor ligands: tritiation at high specific activity.

Published in:

Journal of Radioanalytical & Nuclear Chemistry, 2012, v. 293, n. 1, p. 415, doi. 10.1007/s10967-012-1680-7

By:

Ahern, David;
Orphanos, Demetri;
Filer, Crist

Publication type:

Article