Process for the synthesis of 5-[(substituted)-amino]-8-...

Details Process for the synthesis of 5-[(substituted)-amino]-8-... Process for the synthesis of 5-[(substituted)-amino]-8-...

C - Chemistry, Metallurgy

07

D

C07D 487/16 (2006.01) C07D 487/04 (2006.01)

Patent

CA 2092357

31,808-00 AN IMPROVED PROCESS FOR THE SYNTHESIS OF 5-[(SUBSTITUTED)AMINO]-8-[PHENYL OR SUBSTITUTED-PHENYL]-3H,6H-1,4,5a,8a- TETRAAZAACENAPHTHYLEN-3-ONES ABSTRACT A novel process for producing 5- [(substituted)amino]-8-[phenyl or substituted- phenyl]-3H,6H-1,4,5a,8a-tetraazaace-napthylen-3- ones of the formula: Image Where R1, R2 and R3 are defined in the specification by reacting a 4,5-dihydro-7-[phenyl or substituted phenyl]pyrazolo[1,5-a]pyrimidine-3-carboxaminde with carbon disulfide and a suitable base and a lower alkyl iodide to give a 5-(lower alkylthio)-8-[phenyl or substituted phenyl]-3H,6H-1,4,5a,8a-tetraazaacenphth- ylen-3-one which is further reacted with an amine of the formula: Image to give the desired compounds.

Affiliated with

Also associated with

Rating

Process for the synthesis of 5-[(substituted)-amino]-8-... 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 synthesis of 5-[(substituted)-amino]-8-..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the synthesis of 5-[(substituted)-amino]-8-... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1808199