反应详情

Particularly preferably, 2,6-dichlorobenzaldehyde is used in the process of the invention and 2-fluoro-6-chlorobenzaldehyde, 2-fluoro-6-chlorobenzyl alcohol, 2,6-difluorobenzaldehyde or 2,6-difluorobenzyl alcohol is obtained or 2,4-dichlorobenzaldehyde is used and 2,4-difluoro-benzaldehyde or 2,4-difluorobenzyl alcohol is obtained or 3,4-dichloro-benzaldehyde is used and 3-chloro-4-fluorobenzaldehyde or 3-chloro-4-fluorobenzyl alcohol is obtained.