Triazolinone ring formation in tert-butanol

Details Triazolinone ring formation in tert-butanol Triazolinone ring formation in tert-butanol

1994-12-28

1995-08-08

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

564251, C07D24912

Patent

active

054400457

ABSTRACT:
A process for the production of an aryl triazolinones of the formula ##STR1## wherein R is lower alkyl and:
X.sub.n is 2,4-dichloro-5-methylsulfonylamino; 2-chloro-5-methylsulfonylamino; 4-chloro-5-methylsulfonylamino; 3-methylsulfonylamino; 4-chloro; 2-chloro; 3-nitro; 4-chloro-3-nitro; 2-chloro-5-nitro; 2,4-dichloro-5-nitro; 2-fluoro; 2-4-chloro; 2,4-dichloro; 4-alkoxy; or 4-alkoxy-2-fluoro;
which comprises treating, in a tert-butanol medium, an aryl hydrazine of the formula ##STR2## sequentially with (i) a C.sub.1 -C.sub.3 aldehyde, (ii) a cyanate and weak organic acid, and (iii) a hypohalous acid, a salt thereof, or a halogen.

REFERENCES:
patent: 4980480 (1990-12-01), Theordoridis
Research Disclosure, 27805, p. 358, Jun. 1987.
Bulletin of the Chemical Society of Japan--Tsuge--47(11) 2676 (1974).

Affiliated with

Also associated with

Rating

Triazolinone ring formation in tert-butanol does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Triazolinone ring formation in tert-butanol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Triazolinone ring formation in tert-butanol will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-972449