Summary
Reactions of methyl and ethyl hetaryl ketones in the CCl4/solid KOH system in the presence of 18 crown-6 at room temperature yield the corresponding 2-hetaryl-2-trichloromethyloxiranes in 8–22% yields. Reactions of sterically hindered ketones of the type (hetaryl)COCHR2 (R = Me, Et) with CCl4/OH- form the corresponding a-hydroxy ketones of the type (hetaryl)COC(OH)R2 in 28–44% yields.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 312–315, March, 1994.
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Abele, É., Rubina, K., Popelis, Y. et al. Reactions of alkyl hetaryl ketones with carbon tetrachloride under liquid/solid phase-transfer catalysis conditions. Chem Heterocycl Compd 30, 275–278 (1994). https://doi.org/10.1007/BF01165690
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DOI: https://doi.org/10.1007/BF01165690