91561-75-0Relevant articles and documents
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Kolka et al.
, p. 642,645 (1957)
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PROCESS FOR THE PURIFICATION OF 2,6-DIISOPROPYL PHENOL
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Page/Page column 4; 7, (2012/12/13)
The present invention relates to a novel process for purifying 2,6-diisopropy! phenol (propofol). More particularly, the present invention relates to chlorinating technical grade propofol into a 4-chloropropofol followed by hydrogenating said 4-chloropropofol into a pure propofol.