Výsledky vyhledávání - "Christina M. J. Fox"

tert-Butyl Acetothioacetate and Its Use in Synthesis: 3-Acetyl-4-hydroxy-5,5-dimethylfuran-2(4H)-one

Autor: Steven V. Ley, Christina M. J. Fox

Publikováno v: Organic Syntheses

tert-Butyl acetothioacetate and its use in synthesis: 3-Acetyl-4-hydroxy-5,5-dimethylfuran-2(4H)-one intermediate: S-tert-butyl 3-oxobutanthioate intermediate: 1-Carbomethoxy-1-methylethyl 3-oxobutanoate. product: 3-Acetyl-4-hydroxy-5,5-dimethylfuran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edb3a1e18d309adbedc4224b67311f08
https://doi.org/10.1002/0471264180.os066.14

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ChemInform Abstract: Preparation of β-Ketomacrolactones and β-Ketodiolides Using S-tert.-Butyl 3-Oxobutanethioate and S-tert.-Butyl 4-Diethylphosphono-3-oxobutanethioate

Autor: Howard B. Broughton, David J. Williams, Paul M. Booth, Mark J. Ford, Peter Woodward, Christina M. J. Fox, Alexandra M. Z. Slawin, Steven V. Ley

Publikováno v: ChemInform. 21

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bb89fab91bd303b78d88ff7261df3ea
https://doi.org/10.1002/chin.199015191

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An enantiospecific synthesis of the spiroketal portion of avermectin B1a

Autor: James D. White, Roger N. Hiner, Christina M. J. Fox, Ulhas S. Warrier

Publikováno v: Tetrahedron Letters. 29:2923-2926

The acetonide of (3S,5S)-5,6-dihydroxy-3-p-methoxybenzyloxyhexanal, prepared from laevoglucosan, reacted with the cerium derivative of (3S,4R,5S)-3,5-dimethyl-4-t-butyldimethyl silyloxy-1-heptyne, prepared from (2S)-2-methylbutanol, to give a carbino

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ed9f1050ae47f56eec814ca41444151
https://doi.org/10.1016/0040-4039(88)85048-2

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Regiospecific alkylation of β-ketothioesters and use in the synthesis of acyl-tetronic acids

Autor: Paul M. Booth, Steven V. Ley, Christina M. J. Fox

Publikováno v: Tetrahedron Letters. 24:5143-5146

Anions of t-butylacetothioacetate (1) react with alkylhalides and carbonyl compounds in a regiospecific manner to afford products which are versatile synthetic intermediates as exemplified by short syntheses of the mold metabolites carolic acid (2) a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d5bc0d59760eb197f62618aaaa0058e
https://doi.org/10.1016/s0040-4039(00)94065-6

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Preparation of β-ketomacrolactones and β-ketodiolides using S-t-butyl 3-oxobutanethioate and S-t-butyl 4-diethylphosphono-3-oxobutanethioate

Autor: Mark J. Ford, Steven V. Ley, David J. Williams, Howard B. Broughton, Christina M. J. Fox, Peter Woodward, Alexandra M. Z. Slawin, Paul M. Booth

Publikováno v: Tetrahedron. 45:7565-7580

Using S-t-butyl-3-oxobutanethioate (1) and S-t-butyl 4-diethylphosphono-3-oxobutanethioate (2) various homologation reactions with t-butyldimethylsilyl protected hydroxy-iodides and aldehydes are reported. The products of these reactions after deprot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7c4af3aeee0993d5e550bb269271be5
https://doi.org/10.1016/s0040-4020(01)89218-8

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ChemInform Abstract: Preparation of Acyltetronic Acids Using t-Butyl Acetothioacetate: Total Synthesis of the Fungal Metabolites Carolic, Carlosic, and Carlic Acids

Autor: Paul M. Booth, Christina M. J. Fox, Steven V. Ley

Publikováno v: ChemInform. 18

Dianions generated from S-t-butyl acetothioacetate (1) were alkylated with a variety of electrophiles at the γ-carbon centre. Treatment of the alkylated products with 2-hydroxy esters in the presence of silver(I) salts gave transesterified acetoacet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::389404c9fc6f6bbd8f56bac8884a0f1d
https://doi.org/10.1002/chin.198722303

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ChemInform Abstract: REGIOSPECIFIC ALKYLATION OF β-KETO THIO ESTERS AND USE IN THE SYNTHESIS OF ACYLTETRONIC ACIDS

Autor: Paul M. Booth, Christina M. J. Fox, Steven V. Ley

Publikováno v: Chemischer Informationsdienst. 15

Die β-Ketothioester (Ia) und (Ib) werden nach Uberfuhrung in entsprechende Carbanionen zu (III) bzw. (V) substituiert.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55f64a803deb57a89afc1daba3302d06
https://doi.org/10.1002/chin.198416207

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ChemInform Abstract: The Use of tert-Butyl Acetothioacetate as a Route to Bis-β-ketomacrolides

Autor: Alexandra M. Z. Slawin, David J. Williams, Steven V. Ley, Christina M. J. Fox

Publikováno v: Chemischer Informationsdienst. 17

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a791ea995253f24cef5cda5c42dd675
https://doi.org/10.1002/chin.198617270

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The use of t-butyl acetothioacetate as a route to bis-β-ketomacrolides

Autor: Steven V. Ley, David J. Williams, Alexandra M. Z. Slawin, Christina M. J. Fox

Publikováno v: J. Chem. Soc., Chem. Commun.. :1805-1806

Dianions from t-butyl acetothioacetate may be alkylated at the γ-carbon atom with suitably protected iodoalkanols to afford useful precursors for dimerisation to novel bis-β-ketomacrolides in the presence of copper(I) trifluoroacetate.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea6c657c3a1d2b9a6e4be771e3f91b5e
https://doi.org/10.1039/c39850001805

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