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- W1976874334 abstract "The reaction of 2,4,6-trichloropyrimidine 1 with a variety of 4-substituted anilines 2 has been investigated. Monosubstitution occurs readily for all anilines except those containing strongly electron-withdrawing groups. The yields of the isomeric products 3 and 4 parallel the Hammet constants of the ring substituents. The main product when ethanol was used as the solvent was the 4-substituted-2,6-dichloropyrimidine 3. Spectral and X-ray data confirmed this assignment. However, a solvent dependence on the 3:4 ratio was demonstrated. In some cases, excess aniline under forcing conditions led to 2,4-disubstituted products." @default.
- W1976874334 created "2016-06-24" @default.
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- W1976874334 date "2000-11-01" @default.
- W1976874334 modified "2023-09-23" @default.
- W1976874334 title "2,4,6-trichloropyrimidine. Reaction with anilines" @default.
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- W1976874334 doi "https://doi.org/10.1002/jhet.5570370609" @default.
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