Allylic chlorination process and compounds prepared thereby

Details Allylic chlorination process and compounds prepared thereby Allylic chlorination process and compounds prepared thereby

C - Chemistry, Metallurgy

07

D

260/298.2

C07D 513/04 (2006.01)

Patent

CA 1145339

X-5055-Canada Abstract of the Disclosure This invention provides a process for the preparation of novel thiazolinoazetidinone compounds of the formula Image wherein R is hydrogen, methoxy, C1-C2 alkoxycarbonyl, C1-C8 alkyl, C1-C8 alkyl monosubstituted with protected hydroxy, C1-C3 alkoxy or cyano, C2-C8 alkenyl, C2-C8 alkenyl monosubstituted with protected hydroxy, C1-C3 alkoxy or cyano, C3-C8 cycloalkyl, C3-C8 cycloalkyl substituted with protected hydroxy, C1-C3 alkoxy or cyano, X-5055-Canada Image Image OR Image ; R2 is hydrogen, protected hydroxy, chloro, bromo, C1-C3 alkyl, C1-C3 alkoxy, nitro or cyano; Y is oxygen or a carbon-carbon bond; R3 is projected hydroxy, C1-C4 alkyl or protected amino; m is 0-2; n is 0-2; R1 is a carboxylic acid protecting group; and the 1- and 5-position C-H bonds in the thiazolinoazetidinone are in the .alpha.-position. These compounds are intermediates for the preparation of cephalosporins.

350602

Affiliated with

Also associated with

Rating

Allylic chlorination process and compounds prepared thereby does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Allylic chlorination process and compounds prepared thereby, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Allylic chlorination process and compounds prepared thereby will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-626174