Process for preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone

Details Process for preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone Process for preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone

1980-02-04

1980-12-30

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

564 91, C07D31186

Patent

active

042422671

ABSTRACT:
A novel process for the preparation of xanthane-2-carboxylic acids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 9 carbon atoms and R.sub.1 is alkyl of 1 to 5 carbon atoms which possess an antiallergic activity and are particularly useful for treating asthma and asthmatic form bronchitisis of allergic origin.

REFERENCES:
patent: 3849565 (1974-11-01), Pfister et al.
patent: 4024276 (1977-05-01), Barnes et al.
patent: 4078078 (1978-03-01), Barnes et al.

Affiliated with

Also associated with

Rating

Process for preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone 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 preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing 5-alkyl-7-(S-alkyl-sulfonimidoyl)-xanthone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-6768