摘要:
B-PICOLINE IS PRODUCED IN HIGH YIELD BY REACTING A 1,1,3TRIALKOXYPROPANE WITH AN EXCESS OF AMMONIA AT HIGH TEMPERATURE IN A LIQUID AQUEOUS PHASE WITHOUT THE NEED FOR ANY CATALYST.
摘要:
A compound selected from the group consisting of those of formula I ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, X and n are defined in the description, an optical isomer thereof, and an addition salt thereof with a pharmaceutically-acceptable base or acid.Medicinal product which is useful in treating or in preventing a disorder due to or linked to the phenomena of peroxidation and to the disturbance of the eicosanoid biosynthesis.
摘要:
NOVEL PROCESS FOR THE PREPARATION OF SUBSTITUTED PYRIL DINES COMPRISING CONTACTING AN ALKYL, ALKYLENE OR ARYL SUBSTITUTED NITRILE WITH AT LEAST ONE ACETYLENIC COMPOUND OF THE FORMULA R1-C$C-R7, WHEREIN R1 AND R5 MAY BE H, ALKYL, ALKOXY, ALKENYL OR ARALKYL AT ABOUT 150*C.-600* C. IN THE PRESENCE OF A COBALT CATALYST.