Search Results - "Burrell, Richard C."

Synthesis of carbon‐14 and stable isotope labeled Censavudine.

Authors: Burrell, Richard C. Bonacorsi, Samuel J. Ortiz, Adrian et al.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. Apr2022, Vol. 65 Issue 4, p112-122. 11p.

Synthesis of isotopically labeled daclatasvir for use in human clinical studies.

Authors: Easter, John A. Burrell, Richard C. Bonacorsi, Samuel J.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. Apr2016, Vol. 59 Issue 4, p164-170. 7p.

Synthesis of stable isotope-labeled epothilone D using a degradation-reconstruction approach.

Authors: Burrell, Richard C. Turley, Wesley A. Bonacorsi, Samuel J.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. Jul2015, Vol. 58 Issue 9, p361-369. 9p.

Synthesis of carbon-14 and stable isotope labeled Avagacestat: a novel gamma secretase inhibitor for the treatment of Alzheimer's disease.

Authors: Burrell, Richard C. Easter, John A. Cassidy, Michael P. et al.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. Aug2014, Vol. 57 Issue 10, p600-605. 6p.

An alternative and robust synthesis of [¹³C4]Baraclude® (entecavir).

Authors: Easter, John A. Burrell, Richard C. Bonacorsi, Samuel J.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. Oct2013, Vol. 56 Issue 12, p632-636. 5p.

Stereochemistry of thermal vinylcyclobutane-to-cyclohexene rearrangements of cis-(1S,2R) and trans-(1S,2S)-1-(E)-propenyl-2-methylcyclobutanes.

Authors: Baldwin, John E. Burrell, Richard C.

Source: Journal of the American Chemical Society; July 11 2001, Vol. 123 Issue 27, p6718-6719, 2p

Strained cyclic cumulene intermediates in Diels-Alder cycloadditions of enynes and diynes.

Authors: Burrell, Richard C. Daoust, Kimberly J. Bradley, Alexander Z.

Source: Journal of the American Chemical Society; May 1 1996, Vol. 118, p4218-4219, 2p

Thermal Stereomutaijons and Stereochemicauy Elucidated [1 ,3]-Carbon Sigmatropic Shifts of 1-(E)-Propenyl-2-methlcyclobutanes Giving 3,4-Dimethylcyclohexenes.

Authors: Baldwin, John E. Burrell, Richard C.

Source: Journal of the American Chemical Society. 12/24/2003, Vol. 125 Issue 51, p15869-15877. 9p.

Subjects: Stereochemistry, Isomerization, Cis-trans-isomerases, Enantiomers, Carbon, Cyclopropane

Quantitative Analyses of the Seven Isomeric 3,4- and 3,6-Dimethylcyclohexenes by Gas Chromatography.

Authors: Baldwin, John E. Burrell, Richard C.

Source: Journal of Organic Chemistry. 10/20/2000, Vol. 65 Issue 21, p7145. 6p. 4 Diagrams, 2 Graphs.

Subjects: Cyclohexane, Cyclic compounds

Synthesis, Resolution, and Absolute Stereochemistry of...

Authors: Baldwin, John E. Burrell, Richard C.

Source: Journal of Organic Chemistry. 10/20/2000, Vol. 65 Issue 21, p7139. 6p. 4 Diagrams.

Subjects: Butane, Cyclic compounds

Suprafacial and antarafacial paths for the thermal vinylcyclopropane-to-cyclopentene...

Authors: Baldwin, John E. Burrell, Richard C.

Source: Journal of Organic Chemistry. 05/14/99, Vol. 64 Issue 10, p3567. 5p. 10 Diagrams, 1 Graph.

Subjects: Cyclopropane, Heptane, Isomerization

Synthesis of a dual carbon‐14‐labeled calcitonin gene‐related peptide receptor antagonist for use in a human absorption–distribution–metabolism–elimination study.

Authors: Turley, Wesley A. Easter, John A. Burrell, Richard C. et al.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. May2022, Vol. 65 Issue 5, p126-139. 14p.

Synthesis of tritium labeled 30‐KDa PEG and conjugation to form [³H]Pegbelfermin.

Authors: Easter, John A. Tian, Yuan Burrell, Richard C. et al.

Source: Journal of Labelled Compounds & Radiopharmaceuticals. Oct2021, Vol. 64 Issue 12, p477-481. 5p.

Concerted vs Stepwise Mechanisms in Dehydro-Diels-Alder Reactions.

Authors: Ajaz, Aida Bradley, Alexander Z. Burrell, Richard C. et al.

Source: Journal of Organic Chemistry. 11/28/2011, Vol. 76 Issue 22, p9320-9328. 5p.

Subjects: Diels-Alder reaction kinetics, Chemical reactions, Ring formation (Chemistry), Cyclic compounds, Allene, Chemical bonds

Stereochemistry of the thermal isomerization of 1-ethenyl-7-exo-phenylbicyclo[4.1.0]heptane to...

Authors: Baldwin, John E. Bonacorsi Jr., Samuel J. Burrell, Richard C.

Source: Journal of Organic Chemistry. 07/10/98, Vol. 63 Issue 14, p4721. 5p. 8 Diagrams.

Subjects: Cyclopropane, Cyclophanes

Efficient syntheses of four stable-isotope labeled (1R)-menthyl (1S,2S)-(+)-2-phenylcyclopropanecarboxylates.

Authors: Keliher EJ Burrell RC Chobanian HR et al.

Source: Organic & biomolecular chemistry [Org Biomol Chem] 2006 Jul 21; Vol. 4 (14), pp. 2777-84. Date of Electronic Publication: 2006 Jun 20.

Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.

Journal Info: Publisher: Royal Society of Chemistry Country of Publication: England NLM ID: 101154995 Publication Model: Print-Electronic Cited Medium: Print ISSN: 1477-0520 (Print) Linking ISSN: 14770520 NLM ISO Abbreviation: Org Biomol Chem Subsets: MEDLINE

Thermal isomerization of (3-butenyl)cyclopropane to norbornane.

Authors: Baldwin JE Burrell RC Shukla R

Source: Organic letters [Org Lett] 2002 Sep 19; Vol. 4 (19), pp. 3305-7.

Publication Type: Journal Article

Journal Info: Publisher: American Chemical Society Country of Publication: United States NLM ID: 100890393 Publication Model: Print Cited Medium: Print ISSN: 1523-7060 (Print) Linking ISSN: 15237052 NLM ISO Abbreviation: Org Lett Subsets: PubMed not MEDLINE

Kinetics of thermal gas-phase isomerizations and fragmentations of cis- and trans-1-(E)-propenyl-2-methylcyclobutanes at 275 degrees C.

Authors: Baldwin JE Burrell RC

Source: The Journal of organic chemistry [J Org Chem] 2002 May 17; Vol. 67 (10), pp. 3249-56.

Publication Type: Journal Article

Journal Info: Publisher: American Chemical Society Country of Publication: United States NLM ID: 2985193R Publication Model: Print Cited Medium: Print ISSN: 0022-3263 (Print) Linking ISSN: 00223263 NLM ISO Abbreviation: J Org Chem Subsets: PubMed not MEDLINE