Výsledky vyhledávání - "David W. Tudor"

A Direct Approach to the Synthesis of Famciclovir and Penciclovir

Autor: Steven O'Donnell, Bernadette M. Choudary, J. Robert, Martin J. Parratt, Johnson Graham, David W. Tudor, Graham Richard Geen, M. Dales, Peter M. Kincey, Neil Woods

Publikováno v: Nucleosides and Nucleotides. 15:981-994

Reaction of 2-amino-6-chloropurine with triethyl 3-bromopropane-1,1,1-tricarboxylate followed by decarbethoxylation/transesterification of the unpurified product was the key sequence in synthesising both the anti-herpesvirus agent penciclovir and its

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ad2e966aeba6ecbdab62f82390f1c54
https://doi.org/10.1080/07328319608002029

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Escherichia coli dihydrodipicolinate synthase: characterization of the imine intermediate and the product of bromopyruvate treatment by electrospray mass spectrometry

Autor: Chris Abell, David W. Tudor, Susanne J. Connell, Andrea Shneier, John R. Coggins, David J. Robins, Emma B. Borthwick

Publikováno v: Biochemical Journal. 305:521-524

Simplified procedures for assaying and purifying dihydrodipicolinate synthase (EC 4.2.1.52), the first enzyme of the lysine biosynthetic pathway, have been developed and electrospray ionization m.s. has been used to observe the imine intermediate wit

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https://doi.org/10.1042/bj3050521

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ChemInform Abstract: Synthesis of the Trifluoroacetate Salt of Aspartic Acid β- Semialdehyde, an Intermediate in the Biosynthesis of L-Lysine, L- Threonine, and L-Methionine

Autor: Terence Lewis, David W. Tudor, David J. Robins

Publikováno v: ChemInform. 25

The trifluoroacetate salt of aspartic acid β-semialdehyde, an important intermediate in the biosynthesis of L-lysine, L-threonine, and L-methionine has been prepared in DL-, L-, and D-forms as stable solid hydrates 13 in 43% overall yield by ozonoly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36515eae3b9ba264e494bd6e48037916
https://doi.org/10.1002/chin.199413235

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Synthesis of the Trifluoroacetate Salt of Aspartic Acid β-Semialdehyde, an Intermediate in the Biosynthesis of L-Lysine, L-Threonine, and L-Methionine

Autor: David J. Robins, Terence Lewis, David W. Tudor

Publikováno v: Synthesis. 1993:1061-1062

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::642aa92d14412eb9a4441f4c3b12ee19
https://doi.org/10.1055/s-1993-25994

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An age-dependent epidemic model with application to measles

Autor: David W. Tudor

Publikováno v: Mathematical Biosciences. 73:131-147

A combined epidemic-demographic model is developed which models the spread of an infectious disease throughout a population of constant size. The model allows for births, deaths, temporary or permanent immunity, and immunization. The relationship of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6983570626b40a09010034ada980c75d
https://doi.org/10.1016/0025-5564(85)90081-1

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Integral equation models for endemic infectious diseases

Autor: David W. Tudor, Herbert W. Hethcote

Publikováno v: Journal of Mathematical Biology. 9:37-47

Endemic infectious diseases for which infection confers permanent immunity are described by a system of nonlinear Volterra integral equations of convolution type. These constant-parameter models include vital dynamics (birth and deaths), immunization

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https://doi.org/10.1007/bf00276034

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