Process for the manufacture of a tricyclic compound

Details Process for the manufacture of a tricyclic compound Process for the manufacture of a tricyclic compound

C - Chemistry, Metallurgy

07

D

C07D 401/04 (2006.01) C07C 243/28 (2006.01) C07D 215/58 (2006.01) C07D 498/06 (2006.01)

Patent

CA 2153984

A process for preparing a compound of formula (1) or a phamaceutically- acceptable salt thereof, comprising: 1) reacting a compound of formula (III), in which R is a straight or branched chain alkyl having from one to four carbon atoms, with an alkali metal hydroxide in an aqueous medium at a temperature of about 80 to 120 ° C and a time of about 20 to 100 hours to form a reaction product; 2) cyclizing the reaction product of step 1) with formic acid and formaldehyde to form a formiate compound; and 3) neutralizing the formiate compound of step 2) with an aqueous base.

Affiliated with

Also associated with

Rating

Process for the manufacture of a tricyclic compound does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the manufacture of a tricyclic compound, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the manufacture of a tricyclic compound will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1622472