Word: methyl
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Acetylene, deuteroacetylene, methyl and dimethyl acetylenes are strongly chemisorbed on alumina even at room temperature. The first three can also exist in a weakly adsorbed state. The strongly held species are held perpendicular to the surface through the acetylenic hydrogens, except dimethyl acetylene, which is held parallel to the surface. All the weakly held acetylenes are held parallel to the surface. The sites responsible for the strong chemisorption of acetylenes are different from those responsible for the strong adsorption of dimethyl acetylene. Surprisingly, no strong chemisorption of either acetylene or dimethyl acetylene was observed with silica...
Last week at the National Institutes of Health in Bethesda, Md., cancer researchers intently observed 60 toadfish injected with an experimental anticancer drug, methyl GAG (for glyoxal-bis-gua-nylhydrazone). The researchers were trying to find out why the drug produces an undesirable side effect-lowered blood sugar. The toadfish is an ideal subject for such an experiment because it has simple kidney and insulin-producing mechanisms that permit researchers to observe sugar changes. To obtain blood samples, the researchers prick each toadfish's tail. To collect urine, they attach balloons to the excretory ducts of the toadfish...
Last week, in celebration of his great fortune, Akumu threw a little blast for 40 friends. He broke out the best in the house-a brand-new keg of uncut methyl alcohol, a volatile liquid most often used for boosting aircraft takeoffs. When the party was over, ten of the revelers were permanently blinded. Eight others, including Akumu Onyiego, were dead...
Among Nairobi's Africans, who judge an alcoholic beverage not by its taste but its kick, the most popular brew for the past 13 years has been a potion known as KMQ (Kill Me Quick), a throat-burning mixture of surgical spirits and methyl alcohol. Invented by a burly Luo tribesman named Akumu Onyiego, KMQ was precisely named: less than two pints of the stuff is a lethal dose...
...first sentence of Woodward's seven-page description of the synthesis, as reported to the Journal of the American Chemical Society, reads: "2 -(β, β-Dicyanovinyl)-3, 5-dimethyl-4-ethylpyrrole was converted by sulfuryl chloride in acetic acid at 55° to 2-(β, β-dicyanovinyl)-3-methyl-4-ethyl-5-chloromethylpyrrole [m.p. 189-192°], and thence, by condensation with 3-carbethoxy-4-methylpyrrole in hot aqueous etha-nolic hydrochloric acid to 3', 4-dimethyl-3-ethyl-4'-carbethoxy-5-(β, β-dicyanovinyl) dipyrrylmethane [m.p. 195-197°], which, with β-carbomethoxypropionyl chloride in dichloromethane...