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- W1026894629 abstract "The chloromethylation reaction of 2-chloro-thiophene via phase transfer catalysis was carried out to synthesize 2-chloro-3-chloromethyl-thiophene, where the catalyst was tetrabutylammonium bromide (TBAB). The chloromethylation reagents used were paraformaldehyde and 37% concentrated hydrochloric acid. The structure of 2-chloro-3-chloromethyl-thiophene was confirmed by means of GC-MAS, IR and ^1H NMR spectrometries. The yield was 77.6%. The O-alkylation reactions between 1-(2,4-dichloro-phenyl)-2-(1-imidazol)-ethanol and 2-chloro-3-chloromethyl-thiophene were performed in a two -phase system of organic solvent/solid NaOH under phase transfer catalytic condition. At the end, the tioconazole nitrate was formed by the addition of nitric acid. The structure of tioconazole was confirmed with IR and ^1H NMR spectra. The yield of tioconazole was 53.0%." @default.
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- W1026894629 date "2006-01-10" @default.
- W1026894629 modified "2023-09-24" @default.
- W1026894629 title "相转移催化法合成2-氯－3-氯甲基－噻吩及噻康唑" @default.
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