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- W2024061323 abstract "Abstract Chelating properties of 1,3-bis(2-hydroxyhexafluoro-2-propyl)benzene (1,3-BHPB) and 1,4-bis(2-hydroxyhexafluoro-2-propyl)benzene (1,4-BHPB) have been investigated. We reported previously on the synthesis of dimethyl sulfoxide complexes with 1,3-BHPB and 5-perfluoroalkyl-substituted-1,3-BHPB [1]. Their structure was presented as 1:1 complexes involving chelation of one molecule of Me 2 SO by two hydroxy groups of a molecule of 1,3-BHPB. On the basis of X-ray investigation of 1,3-BHPB-Me 2 SO complex a revised linear structure is assigned to this compound. Both oxygen atoms of 1,4-dioxane and 1,4-benzodioxane are chelated in similar manner by 1,3-BHPB to afford stable complexes with m.p. 65–66° and 44–46°, respectively. The ratio of 1,3-BHPB and dioxanes in these compounds (2:1) is estimated from 1 H-NMR spectra. In contrast with these complexes, 1,4- BHPB and 1,4-dioxane form a compound in 1:1 ratio (m.p. 98–99°). Pyridine and 1,3- or 1,4-BHPB furnishes 1:1 complexes with m.p. 60° and 65–66°, respectively. The BHPB-pyridine complexes are recrystallized from petroleum ether and afford well formed colorless crystals which sublime in vacuo. 1,4-BHPB and Me 2 SO afford a 1:1 complex with m.p. 104°." @default.
- W2024061323 created "2016-06-24" @default.
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- W2024061323 date "1985-08-01" @default.
- W2024061323 modified "2023-09-23" @default.
- W2024061323 title "The complexes of 1,3-bis(2-hydroxyhexafluoro-2-propyl)benzene and 1,4-bis(2-hydroxyhexafluoro-2-propyl)benzene with 1,4-benzodioxane, 1,4-dioxane, dimethyl sulfoxide and pyridine" @default.
- W2024061323 cites W2049828871 @default.
- W2024061323 doi "https://doi.org/10.1016/s0022-1139(00)83411-9" @default.
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