Zobrazeno 1 - 10 of 33 pro vyhledávání: '"George H. Wahl"'
2
Working Safely with Chemicals in the Laboratory: A Student Guide (ed. Gorman, Christine E.)
Autor: George H. Wahl
Publikováno v: Journal of Chemical Education. 74:1045
This manual clearly meets its goals of explaining why certain chemicals can cause serious harm to personnel or to the environment. Pertinent EPA and OSHA regulations are introduced painlessly and explained clearly as an integral part of this message.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c32c57dd7e7e229cd402f6b7be912ef
https://doi.org/10.1021/ed074p1045.1
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3
Microscale synthesis of heterocyclic compounds
Autor: Rima Al-awar, George H. Wahl
Publikováno v: Journal of Chemical Education. 67:265
The authors describe microscale syntheses of four heterocyclic compounds for which large-scale versions were described previously in this Journal.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b1caa513c2cce8de34ff918c2f99b13
https://doi.org/10.1021/ed067p265
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4
Dediazoniation of Arenediazonium Ions in Homogeneous Solution. Part IX. Spectral Evidence for a Homolytic Mechanism Involving Pyridine Complexes
Autor: Hana Loewenschuss, Heinrich Zollinger, George H. Wahl
Publikováno v: Helvetica Chimica Acta. 59:1438-1448
The mechanism of dediazoniation of arenediazonium tetrafluoroborates in 2,2,2-trifluoroethanol (TFE) is strongly dependent on the concentration of added pyridine. The added base complexes with the diazonium ion and diverts it to a homolytic pathway.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::448aa4a242f4f687414a4942902008dd
https://doi.org/10.1002/hlca.19760590505
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5
Dediazoniations of Arene Diazonium Ions in Homogeneous Solution. Part VI: Solvolyses in 2,2,2-trifluoroethanol/water mixtures and exclusion of a potential aryne mechanism
Autor: Peter Burri, George H. Wahl, Heinrich Zollinger
Publikováno v: Helvetica Chimica Acta. 57:2099-2105
The rates and products of dediazoniation of benzenediazonium tetrafluoroborate in 2,2,2-trifluoroethanol (TFE)/water mixtures has been determined. The results are not consistent with a mechanism in which TFE and water enter the rate-determining part
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7283643646e36f4f8ec9c37ebc13f1f4
https://doi.org/10.1002/hlca.19740570724
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7
Dediazoniation of arenediazonium ions in homogeneous solution. Part VIII. Reaction kinetics and products in dimethyl sulfoxide
Autor: Yoji Hirose, George H. Wahl, Heinrich Zollinger
Publikováno v: Helvetica Chimica Acta. 59:1427-1437
p-Nitrobenzenediazonium tetrafluoroborate dissolved in dimethylsulfoxide (DMSO) at 50° forms p-nitrophenol in 88–90% yield. The phenolic oxygen atom originates exclusively from the oxygen atom of DMSO as demonstrated by the use of 18O-labelled DMS
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35a78de03865f39f16206caf033fda31
https://doi.org/10.1002/hlca.19760590504
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