4,9-dihydro-4,9-dioxo-1h-naphtho¬2,3-d|-triazoles

Details 4,9-dihydro-4,9-dioxo-1h-naphtho¬2,3-d|-triazoles 4,9-dihydro-4,9-dioxo-1h-naphtho¬2,3-d|-triazoles

C - Chemistry, Metallurgy

07

D

260/313.1

C07D 249/22 (2006.01) C07D 249/16 (2006.01)

Patent

CA 1108153

ABSTRACT Compounds of formula (I):- Image (I) and pharmaceutically acceptable salts thereof wherein R1, R2, R3 and R4 which may be the same or different, represent hydrogen, halogen, nitro, lower alkyl, or lower alkoxy, or any adjacent two of R1 to R4 taken together represent an alkylene group con- taining from 3 to 5 carbon atoms or a 1,4-buta-1,3- dienylene group are disclosed together with a method for their preparation. The compounds are useful as anti- allergic agents. With the exception of 4,9-dioxo-1H- naphtho-[2,3-d]-triazole, and its salts, all compounds of formula (I) are novel.

315389

Affiliated with

Also associated with

Rating

4,9-dihydro-4,9-dioxo-1h-naphtho¬2,3-d|-triazoles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 4,9-dihydro-4,9-dioxo-1h-naphtho¬2,3-d|-triazoles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 4,9-dihydro-4,9-dioxo-1h-naphtho¬2,3-d|-triazoles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1070125