Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Robert M. Laird"'
1
Solid-phase acylating agents. Part II. The preparation and reactions of acetyl polystyrenephosphonates in aqueous solution
Autor: Robert M. Laird, M. J. Spence
Publikováno v: Journal of Applied Chemistry and Biotechnology. 27:357-361
Methods of preparing acetylphosphonate acylating-agents from cross-linked polystyrenephosphonic acid ion-exchange resins and reactions with aqueous aniline solutions are described. Unlike the acetyl sulphonate resins described in part I,1 the direct
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe3a36292e5ad0007ab4b4fc31551982
https://doi.org/10.1002/jctb.5020270152
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2
Solid-phase acylating reagents. Part III. The reactions of a macroreticular acetyl polystyrenesulphonate with aniline in aqueous, dichloromethane, dimethylformamide, dioxan and ethyl acetate solutions and with acetone in aqueous solutions
Autor: Robert M. Laird, Subash Pandit
Publikováno v: Journal of Chemical Technology AND Biotechnology. 63:345-352
The effectiveness of a macroreticular matrix in reducing side-reactions in the reaction of acetyl polystyrenesulphonate with aqueous aniline has been investigated. Results were comparable with those for the 2% cross-linked resins and the use of four
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f7b1745b885884fc66fcdeff4fe431c
https://doi.org/10.1002/jctb.280630407
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4
Solid-phase acylating agents. I. The preparation and reactions of acetylpolystyrenesulphonates in aqueous solution
Autor: M. J. Spence, Robert M. Laird
Publikováno v: Journal of Biochemical Toxicology. 27:214-218
Methods of preparing acetylsulphonate acylating reagents from commercial sulphonic acid ion-exchange resins and their reaction with aqueous aniline solutions are described. The relative merits and limitations of the techniques employed are discussed.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::660935ecaa4ab3757ab4a0a5575fc406
https://doi.org/10.1002/jbt.2570270131
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7
Reactions of organic sulphur compounds. Part I. The hydrolysis of arenesulphonyl chlorides
Autor: M. J. Spence, Adrian R. Haughton, Robert M. Laird
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2. :637
Rate constants have been determined for the hydrolyses of 27 substituted benzenesulphonyl chlorides in 1% dioxan. The results are discussed in terms of linear free energy relationships.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eb0dbde043097a302b4c8e06eef8c99e
https://doi.org/10.1039/p29750000637
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8
The mechanism of acyl phosphonate reactions. Part I. The kinetics of the solvolyses of benzoyl and p-toluoyl phenylphosphonates in aqueous dioxan
Autor: Robert M. Laird, M. J. Spence
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2. :1434
Rate constants have been determined for the neutral hydrolysis of benzoyl phenylphosphonate in 5, 20, and 40% aqueous dioxan and p-toluoyl phenylphosphonate in 20% dioxan. Acid catalysis, salt effects, and the addition of nucleophiles have been inves
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c06b8d5d4d7718c47f72b93eb5b7f04
https://doi.org/10.1039/p29730001434
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