ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Synthesis of 4-Diphenylphosphinoylbut-1-Ene and 4-Diphenylphosphinoylbutane-1, 2-Diol; Their Properties as Inhibitors in the Medium on Api 52x Steel

Volume 23, Number 2

Lakhdar Sekhri

Department of Chemistry, University of Ouargla, Ouargla - 30000 (Algeria)

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ABSTRACT:

Prochiral allylic phosphine oxide (6) and 4-diphenylphosphinoylbutane-1, 2-diol (7) were successfully and conveniently prepared. The synthetic methodology was to start with methyl diphenylphosphine oxide (3) which lithiated by n-BuLi at -78°C and then treated with allyl bromide to give prochiral allylic phosphine oxide (6). This prochiral allylic phosphine oxide was treated with OsO4, DHQ2PHAL and NMO in t-BuOH to give the chiral 4-diphenylphosphinoylbutane-1, 2-diol (7). The synthesized products are served as excellent inhibitors in the medium of 15% H2SO4 on API 5L 52X steel.

KEYWORDS:

Phosphine oxide; dihydrox; ylation; inhibitors; steel

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Sekhri L. Synthesis of 4-Diphenylphosphinoylbut-1-Ene and 4-Diphenylphosphinoylbutane-1, 2-Diol; Their Properties as Inhibitors in the Medium on Api 52x Steel. Orient J Chem 2007;23(2).

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Sekhri L. Synthesis of 4-Diphenylphosphinoylbut-1-Ene and 4-Diphenylphosphinoylbutane-1, 2-Diol; Their Properties as Inhibitors in the Medium on Api 52x Steel. Orient J Chem 2007;23(2). Available from: http://www.orientjchem.org/?p=20006

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