摘要:
A mixture containing 5,6-dichloro-2-trichloromethylpyridine and 3,6-dichloro-2-trichloromethylpyridine enriched in 3,6-dichloro-2-trichloro-methylpyridine is obtained by chlorinating 6-chloro-2-trichloromethylpyridine in the vapor phase using a Type L zeolite catalyst.
摘要:
2-Chloro-5-trichloromethylpyridine is obtained by chlorinating β-picoline in the vapor phase using a Mordenite zeolite or a supported palladium catalyst.