Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Ian D. Collier"'
Autor:
Robert W. Allcock, Yasushi Kohno, David R. Adams, Keith M. Morgan, Ian D. Collier, Patrick D. Bailey, Georgina M. Rosair, Karen A. Johnston, Haakon Blakli, Zhong Jiang
Publikováno v:
Org. Biomol. Chem.. 6:175-186
Cycloaddition of pyridine N-imine with 6-alkyl-4-oxohex-5-ynoates followed by condensation with hydrazine provides concise access to pharmacologically active 6-(pyrazolo[1,5-a]pyridin-3-yl)pyridazinones. For the first time alkynyl heterocycles are al
Autor:
Norma Lister, George L. Kellett, Patrick D. Bailey, J R Bronk, C. A. R. Boyd, E. J. Shepherd, Ian D. Collier, Julie Affleck
Publikováno v:
Biochemical and Biophysical Research Communications. 296:918-922
A candidate protein for the basolateral peptide transporter of rat jejunum is described. Vascular perfusion of the photoaffinity label, [4-azido-D-phe]-L-ala (2.5mM), had no effect on the transepithelial transport of the non-hydrolysable dipeptide D-
Autor:
Corinna J. Sword, Nishan Guha, Keith M. Morgan, Ian D. Collier, David Meredith, C S Temple, Patrick D. Bailey, C. A. Richard Boyd
Publikováno v:
European Journal of Biochemistry. 267:3723-3728
The binding affinities of a number of amino-acid and peptide derivatives by the mammalian intestinal peptide transporter PepT1 were investigated, using the Xenopus laevis expression system. A series of blocked amino acids, namely N-acetyl-Phe (Ac-Phe
Autor:
J. Ramsey Bronk, C S Temple, Keith M. Morgan, Ian D. Collier, Patrick D. Bailey, David Meredith, C. A. Richard Boyd
Publikováno v:
Angewandte Chemie. 112:515-518
By building key structural features into hydrophilic drugs, they can be recognized by the PepT1 transporter system of the small intestine and rendered orally active. The model shown provides, for the first time, a 3D template for all known substrates
Autor:
J R Bronk, David Meredith, C S Temple, Keith M. Morgan, Ian D. Collier, C. A. R. Boyd, Patrick D. Bailey
Publikováno v:
The Journal of Physiology. 512:629-634
1. 4-Aminomethylbenzoic acid, a molecule which mimics the special configuration of a dipeptide, competitively inhibits peptide influx in both Xenopus Laevis oocytes expressing rabbit PepT1 and through PepT1 in rat renal brush border membrane vesicles
Autor:
C. A. Richard Boyd, Patrick D. Bailey, John. P. George, David Meredith, Richard A. Price, Keith M. Morgan, Ian D. Collier, Rachel Pettecrew, George L. Kellett
Publikováno v:
Chem. Commun.. :323-325
A quantitative method has been developed for determining the affinity of substrates for the peptide transporter PepT1, allowing oral availability of drugs via PepT1 to be estimated.
Publikováno v:
Biochimica et Biophysica Acta (BBA) - Biomembranes. 1324(2):245-250
Four hydrolysis-resistant dipeptides (D-phenylalanyl-L-alanine, D-phenylalanyl-L-glutamine, D-phenylalanyl-L-glutamate and D-phenylalanyl-L-lysine) were synthesized to investigate the effects of net charge on transmural dipeptide transport by isolate
Autor:
David I. Smith, Keith M. Morgan, Ian D. Collier, Sean P. Hollinshead, Patrick D. Bailey, Madeleine H. Moore, John M. Vernon
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :1209-1214
The homologous nitrile 13 derived from L-tryptophan undergoes a modified Pictet–Spengler reaction with methyl propynoate, under conditions of kinetic control, to afford the cis-tetrahydro-β-carboline 15a (cis∶trans = 77∶23). After protection,
Autor:
Patrick D. Bailey, David P. J. Pearson, Katrin Lorenz, Ian D. Collier, Georgina M. Rosair, Philip J. Cochrane
Publikováno v:
Tetrahedron Letters. 42:113-115
Using the kinetically controlled Pictet–Spengler reaction, we have developed a three-step, diastereoselective and enantiospecific synthesis of the natural product demethoxy-fumitremorgin C in 21% overall yield.
Autor:
Madeleine H. Moore, John M. Vernon, Keith M. Morgan, Patrick D. Bailey, Ian D. Collier, David I. Smith, S. P. Hollinshead
Publikováno v:
ChemInform. 25
When the homologated nitrile 11 derived from L-tryptophan undergoes a modified Pictet–Spengler reaction with methyl propynoate, the resulting cis-tetrahydro-β-carboline 12a is ideally functionalised for cyclisation to the bridged ketonitrile 14; s