abstract |
The present invention provides compounds of formula I [Chemical 1] Wherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings recited in the claims) . The present invention relates to 2-halo, useful for the manufacture of drugs, diagnostic agents, liquid crystals, polymers, herbicides, fungicides, nematicides, parasiticides, insecticides, acaricides and arthropods. It relates to a direct transition metal catalyzed process from phenylacetylene or (2-sulfonato) phenylacetylene and monosubstituted hydrazines to various multifunctional 2H-indazoles or 2H-azaindazoles of formula (I). |