Výsledky vyhledávání - "Alan R. Battersby"

Akademický článek

Autor: Alan R. Battersby

Publikováno v: CHIMIA, Vol 47, Iss 5 (1993)

Externí odkaz: https://doaj.org/article/b99cce82a0ae449ab7ebb6ddce39e200

Biosynthesis of porphyrins and related macrocycles. Part 51.1,2 Proof that a reductive step occurs during the biosynthesis of vitamin B12 by the microaerophilic organism, Propionibacterium shermanii

Autor: Finian J. Leeper, Masahito Kodera, Alan R. Battersby, Koji Ichinose

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :879-888

5-Amino[4-13C]laevulinic acid has been synthesised for enzymic conversion into 13C-labelled precorrin-2 12a. This was incubated with an enzyme system from Propionibacterium shermanii in the presence of [4-2H2]NADH 5a and [4-2H2]NADPH 6a to yield coby

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3bbf0fea44ea28b733bcaebd1b60268c
https://doi.org/10.1039/a809858a

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The Reaction of N-Magnesium Derivatives of Pyrroles with N-Mesylchloromethylpyrroles: A Synthesis of Dipyrrylmethanes

Autor: Andrew D. Abell, Brent K. Nabbs, Alan R. Battersby

Publikováno v: The Journal of Organic Chemistry. 63:8163-8169

Attachment of an alkyl- or arylsulfonyl group at the nitrogen atom of a pyrrole reduces the aromaticity and electron availability of the system. This is confirmed by the structure of an N-tosylated chloromethylpyrrole determined by X-ray crystallogra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc2e167c744bbf34b76ec06c810a8067
https://doi.org/10.1021/jo980573i

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Synthesis and Properties of Ring-Deactivated Deuterated (Hydroxymethyl)pyrroles

Autor: Andrew D. Abell, Alan R. Battersby, Brent K. Nabbs

Publikováno v: Journal of the American Chemical Society. 120:1741-1746

A sequence, based on a Mitsunobu displacement at the hydroxymethyl position of deuterium-labeled, N-substituted 2-(hydroxymethyl)pyrroles, is reported as a general procedure to determine the ability of the N-substituent to deactivate the heterocycle.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2266fff1714af1db61265a1662c1ee9d
https://doi.org/10.1021/ja973656+

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Biosynthesis. Part 28.1,2 Colchicine: definition of intermediates between O-methylandrocymbine and colchicine and studies on speciosine

Autor: Robert N. Woodhouse, David R. Julian, Alan R. Battersby, Gilbert Hardy, Robert Ramage, Edward McDonald, Alan C. Barker

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :2989-2994

Labelled samples are prepared of demecolcine 3, colchicine 4, N-formyl-N-deacetylcolchicine 6 and N-deacetylcolchicine 7, the last depending on a new method for its preparation from colchicine. Incorporation experiments with these compounds and with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba91536174a4531c6ae21f568fe26320
https://doi.org/10.1039/a803851a

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Biosynthesis of porphyrins and related macrocycles. Part 49.1 Exploration of synthetic routes to analogues of the spiro-intermediate for porphyrin biosynthesis

Autor: Alan R. Battersby, Craig J. Hawker, Finian J. Leeper, Paul M. Petersen

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :1519-1530

The proposed intermediacy of the spiro-pyrrolenine 1 for the biosynthesis of uroporphyrinogen III has focussed attention on its synthesis. Several different approaches to close analogues of this compound are explored, including (a) the synthesis of a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df7aee6444a1b07ff3e7039d2af76cfb
https://doi.org/10.1039/a708134k

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Biosynthesis of porphyrins and related macrocycles. Part 50.1 Synthesis of the N-formyl-dihydro analogue of the spiro-intermediate and its interaction with uroporphyrinogen III synthase

Autor: N. Patrick J. Stamford, Paul M. Petersen, Finian J. Leeper, Alan R. Battersby, Craig J. Hawker

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :1531-1540

The proposed intermediacy of the spiro-system 1 for the biosynthesis of uroporphyrinogen III has focused attention on its synthesis. In this paper the approach that is explored is to carry a dihydropyrrole through the entire synthesis with the intent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fad27ba484c6deea6c7b5cf48d5d080
https://doi.org/10.1039/a708135i

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