Fused phenyl sulfonyl carbamates

Details Fused phenyl sulfonyl carbamates Fused phenyl sulfonyl carbamates

C - Chemistry, Metallurgy

07

D

260/285, 260/327

C07D 215/36 (2006.01) C07D 307/82 (2006.01) C07D 333/62 (2006.01)

Patent

CA 1236837

ABSTRACT OF THE DISCLOSURE Fused phenyl sulfonyl carbamates of the general formula Image (VI) , wherein Z is oxygen or sulfur, R1 is hydrogen, halogen, nitro, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 alkoxycarbonyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl or C2-C5 alkoxyalkoxy and A is an unsubstituted or substituted bridge of 3 or 4 atoms which contains 1 or 2 oxygen, sulfur or nitrogen atoms selected from the group consisting of -O-CH2-CH2-, -O-CO-CH2-, -O-CH2-CH2-CH2-, -O-CH2-O-, -CO-O-CH2-, -O-CH2-CH2-O-, -CH2-O-CO-CH2-, -O-CO-CH2-CH2-, -CO-O-CH2-CH2-, -O-CH2-CH2-CO-, -O-CH2-CO-CH2-, -S-CH2-CH2-, -SO-CH2-CH2-, -SO2-CH2-CH2-, -NH-CH2-CH2-, -S-CH2-CH2-CO-, -S-CH2-CH2-CH2-, -O-SO2-CH2-CH2- or -NH-CO-CH2-CH2-, wherein the substituents are selected from the group consisting of halogen, cyano, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkylcarbonyl, C1-C4 alkoxycarbonyl, C1-C4 alkylthiocarbonyl, carbamoyl, C1-C4 alkylaminocarbonyl, di(C1-C4)- alkylaminocarbonyl, C1-C4 alkylsulfonyl, C3-C5 alkenyl or C3-C5 alkynyl, and R is phenyl, C1-C4 alkyl or substituted phenyl together with processes for their preparation are disclosed. These compounds find use as intermediates in the preparation of herbicidally active compounds of the formula I Image which are pyrimidine (E=CH) or triazine (E=N) derivatives in which Z is oxygen or sulphur, and R2, R3 and R4 can have a range of meanings.

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