Synthesis and stability of (3H)5-demethoxyubiquinone-9.
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Aniline Compounds↗
Biomedical subjects
C E Opliger
Publications and source records attributed to C E Opliger.
A lipid-soluble antioxidant from polyallomer centrifuge tubes.
Santowhite, a commercial antioxidant used in the manufacture of polypropylene, contaminates 12-ml polyallomer tubes to the extent of 0.2-0.3 mg/tube. It is distributed through the plastic and appears as a microscopic dust on the tubes' surfaces. In the preparation of polysomes from rat liver by standard methods, approximately 15% of the antioxidant in previously water-washed tubes was removed by suspension of the polysome pellet with stirring in 1-2 ml of Tris buffer, pH 7.8. The polyallomer impurity has been shown to be identical with Santowhite, which is 4,4'-butylidene-bis(6-tert-butyl-m-cresol), by UV, mass, and NMR spectra. It is not uniformly removed from polyallomer tubes by common detergents but is removed by washing with acetone, to which the plastic is resistant.
Acetone↗
Studies on ubiquinone. The isolation and identification of 5-demethoxyubiquinone-9 as an intermediate in biosynthesis of ubiquinone-9 in the rat.
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Aluminum↗
Triazenes of phenylbutyric, hydrocinnamic, phenoxyacetic, and benzoylglutamic acid derivatives.
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Animals↗
Synthesis of proaporphine alkaloids. (Plus or minus) -hexahydropronuciferine.
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Aporphines↗
Synthesis of D- and L-thalidomide and related studies.
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Chromatography, Thin Layer↗
D- and L-thalidomide.
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Chemistry, Pharmaceutical↗