Process for preparing 3,4-dihydro-2(1h)-quinazolinone...

Details Process for preparing 3,4-dihydro-2(1h)-quinazolinone... Process for preparing 3,4-dihydro-2(1h)-quinazolinone...

C - Chemistry, Metallurgy

07

D

260/253, 260/242

C07D 239/78 (2006.01) C07D 239/82 (2006.01)

Patent

CA 1049521

A NOVEL PROCESS FOR PREPARING 3,4-DIHYDRO-2(1H)-QUINAZOLINONE DERIVATIVES ABSTRACT OF THE DISCLOSURE 3,4-Dihydro-2(1H)-quinazolinones and quniazolinethiones such as 1-cyclopropylmethyl-4-phenyl- 6-methoxy-3,4-dihydro-2(1H)-quinazolinone and its thione derivative, are prepared in high yield with high purity by heating the corresponding arylurea or thiourea such as N-cyclopropylmethyl-N-(p-methoxyphenyl) urea or its thiourea derivative, with the corresponding aldehyde such as benzaldehyde in the presence of hydrobromic acid in an inert solvent.

263980

Affiliated with

Also associated with

Rating

Process for preparing 3,4-dihydro-2(1h)-quinazolinone... 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 3,4-dihydro-2(1h)-quinazolinone..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing 3,4-dihydro-2(1h)-quinazolinone... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-853125