Method for producing dichloromethylpyridines

Details Method for producing dichloromethylpyridines Method for producing dichloromethylpyridines

C - Chemistry, Metallurgy

07

D

C07D 213/61 (2006.01) C07D 213/26 (2006.01) C07D 213/63 (2006.01)

Patent

CA 2085333

ABSTRACT A method for producing a dichloromethylpyridine of the formula (II): Image (II) wherein each of R1, R2, R3 and R4 which are independent of one another, is a hydrogen atom, a halogen atom, an alkoxy group or a phenoxy group which may be substituted, provided that R1, R2, R3 and R4 are not simultaneously hydrogen atoms, which comprises reacting a trichloromethylpyridine of the formula (I): (I) Image wherein R1, R2, R3 and R4 are as defined above, with a reducing agent, wherein: (1) a dialkyl phosphite or a trialkyl phosphite is used as the reducing agent, and the reaction is conducted in the presence of a basic substance and an alcohol solvent, or (2) a trialkyl phosphine or triphenyl phosphine is used as the reducing agent, and the reaction is conducted in the presence of an alcohol solvent.

Affiliated with

Also associated with

Rating

Method for producing dichloromethylpyridines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for producing dichloromethylpyridines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for producing dichloromethylpyridines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1651310