Application of 13484-04-3, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Patent, and a compound is mentioned, 13484-04-3, 3-(4-Bromophenyl)isoxazole, introducing its new discovery.
Compounds of the formula STR1 inhibit the activity of endothelin. The symbols are defined as follows: R 1, R 2, R 3 and R 4 are each directly bonded to a ring carbon and are each independently< P>
(a) hydrogen;
(b) alkyl, alkenyl, alkynyl, alkoxy, cycloalkyl, cycloalkylalkyl, cycloalkenyl, cycloalkenylalkyl, aryl, aryloxy, aralkyl or aralkoxy, any of which may be substituted with Z 1, Z 2 and Z 3 ;
(c) halo;
< P>(d) hydroxyl;
(e) cyano;
(f) nitro;
(g)–C(O)H or–C(O)R 5 ;< P>
(h)–CO 2 H or–CO 2 R 5 ;
(i)–Z 4–NR. sup.6 R 7 ;
–Z 4–N(R 10)–Z 5–NR. sup.8 R 9 ; or
(k) R 3 and R. sup.4 together may also be alkylene or alkenylene, either of which may be substituted with Z. sup.1, Z 2 and z 3, completing a 4-to 8-membered saturated, unsaturated or aromatic ring together with the carbon atoms to which they are attached; and the remaining symbols are as defined in the specification.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Application of 13484-04-3. In my other articles, you can also check out more blogs about 13484-04-3
Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem