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We found a two-fold increase in the productivity of baker's yeast grown on a nutrient mixture prepared in light water with a DO content (127 ppm) smaller than in the distilled water (150 ppm). The number of water monomers that provides the biosynthetic activity (water transport through membrane channels) of yeast cells with an increased CO yield was determined for the first time. We established that the selectivity of cell membrane channels in water of different composition depends not only on the motion of ortho-and para-spin HO isomers in solution, as was shown earlier, but also on the concentration of DO.

Formation of Substituted Cyclobutanes in the Reaction of 2-(2-Methyl-2-propenyl)-3-chloromethyloxirane with Aromatic Hydrocarbons.-The title reaction in the presence of AlCl3 gives substituted cyclobutanes (III) (5 examples) in good yields. Further cyclobutane derivatives (IV), (V) or (VII) are available by simple side chain modifications of (III). -(AKHMEDOV, M. A.; SARDAROV, I. K.; AKHMEDOV, I. M.; KOSTIKOV, R. R.; KISIN, A. V.; BABAEV, N. M.; Zh.

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