Výsledky vyhledávání - "William J. Colucci"

Deuterium isotope effects in constrained tryptophan derivatives: implications for tryptophan photophysics

Autor: William J. Colucci, Lloyd P. McMahon, Mary D. Barkley, Mark L. McLaughlin

Publikováno v: Journal of the American Chemical Society. 114:8442-8448

The deuterium isotope effect on the fluorescence quantum yield and lifetime of the constrained tryptophan derivative 3-carboxy-1,2,3,4-tetrahydro-2-carboline, W(1), was determined as a function of pH and temperature. The isotope effect between pH 3.5

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91b3e93ad55f6114359e82292d3a4467
https://doi.org/10.1021/ja00048a014

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Syntheses, structures, and enzymatic evaluations of hemiacylcarnitiniums, a new class of carnitine acyltransferase inhibitors

Autor: Rona R. Ramsay, Chang Chung, Loran L. Bieber, William J. Colucci, Noelle L. Blackwell, Eric P. Brass, Richard D. Gandour, Frank R. Fronczek

Publikováno v: The Journal of Organic Chemistry. 57:3426-3431

The syntheses of (2S,6R)-6-(carboxymethyl)-2-hydroxy-2,4,4-trimethylmorpholinium chloride (hemiacetylcarnitinium, HAC), (2S,6R)-6-(carboxymethyl)-2-ethyl-2-hydroxy-4,4-dimethylmorpholinium bromide (hemipropanoylcamitinium, HPrC), and (2S,6R)-6-(carbo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e132509917c8c72bffe6b9e9f2595e4
https://doi.org/10.1021/jo00038a035

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Conformational studies of a constrained tryptophan derivative: implications for the fluorescence quenching mechanism

Autor: Frank R. Fronczek, William J. Colucci, Luanne Tilstra, Mary D. Barkley, Melissa C. Sattler

Publikováno v: Journal of the American Chemical Society. 112:9182-9190

The ground-state conformation of a rotationally constrained tryptophan derivative, 3-carboxy-1,2,3,4-tetrahydro-2-carboline, W(1), is determined from single-crystal X-ray diffraction, MM2 calculations, and 1 H NMR coupling constants. The solid-state

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b8c7fb4b2e3cd66613c3604fd2c0428
https://doi.org/10.1021/ja00181a022

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Synthesis of D-lysine8-cyclosporine A. Further characterization of BOP-Cl in the 2-7 hexapeptide fragment synthesis

Autor: William J. Colucci, John A. Petri, Daniel H. Rich, Roger D. Tung

Publikováno v: The Journal of Organic Chemistry. 55:2895-2903

The coupling reagent N,N-bis(2-oxo-3-oxazolidinyl)phosphinic chloride (BOP-Cl) has been used to synthetize the 2-7 hexapeptide fragment of cyclosporine A. The 2-7 fragment, thus obtained, was used to prepare D-lysine 8 -cyclosporine A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4ef0a3e469e5cb6af25ec2d2580778d
https://doi.org/10.1021/jo00296a061

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A Study of Fuel Additives for Direct Injection Gasoline (DIG) Injector Deposit Control

Autor: Herbert M. Scull, William J. Colucci, Martin J. Openshaw, Allen A. Aradi

Publikováno v: SAE Technical Paper Series.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8664068889ee6bccf8059e8f48c57b9
https://doi.org/10.4271/2000-01-2020

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An equation utilizing empirically derived substituent constants for the prediction of vicinal coupling constants in substituted ethanes

Autor: William J. Colucci, Steven J. Jungk, Richard D. Gandour

Publikováno v: Magnetic Resonance in Chemistry. 23:335-343

A simple equation has been developed for the prediction of vicinal coupling constants in HCCH fragments: The equation is a cosine series in θ, the torsion angle between vicinal hydrogens. The feature which distinguishes this equation from similar eq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d03f2bd6c221df1fd4d05966847f2cc
https://doi.org/10.1002/mrc.1260230512

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