C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/464.5
C07C 157/09 (1980.01)
Patent
CA 1088953
ABSTRACT OF THE DISCLOSURE This application is directed to a process for the pre- paration of a compound of the general formula II Image (II) wherein R1 represents methyl, R2 and R3 represent, independently from each other, a hydrogen, methoxy, chlorine, an alkyl radical having from 1 to 4 carbon atoms or a trifluoromethyl or cyano group, and X represents the group -O-SO2- or -SO2-O-, in which an o-nitro-aniline derivative of the formula III Image (III) wherein R2, R3 and X are as defined above is reacted with an alkyl- isothiocyanato-formiate of the formula IV S = C = N - COOR1 (IV) wherein R1 is as defined above. The application is also directed to these novel compounds which are anthelmintically active.
328985
Duwel Dieter
Kirsch Reinhard
Loewe Heinz
Urbanietz Josef
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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