4-IODO-2-[N-(N-ALKYLAMINOCARBONYL)AMINOSULFONYL]-BENZOIC ACID METHYL ESTER, ITS DERIVATIVES AND METHOD FOR THEIR PREPARING Russian patent published in 2007 - IPC C07C311/57 C07C311/58 C07C311/59 C07C311/16 C07C245/20 C07C303/40 A01N47/36 

Abstract RU 2309948 C2

FIELD: organic chemistry, chemical technology.

SUBSTANCE: invention relates to novel N-(5-iodo-2-methoxycarbonylphenyl)sulfonylures of the formula (I): wherein R means unsubstituted (C1-C12)-alkyl or substituted with one or more residues from group comprising halogen atom, (C1-C6)-alkoxy-group, (C1-C6)-alkylthio-group, (C1-C6)-halogenalkoxy-group and unsubstituted phenyl or substituted up to three-fold with similar or different residues chosen from group comprising (C1-C4)-alkyl, (C1-C4)-alkoxy-group, (C1-C4)-halogenalkyl, (C1-C4)-halogenalkoxy-group, -CN and nitro-group; or unsubstituted (C3-C12)-cycloalkyl or substituted with one or more residues from group comprising halogen atom, (C1-C4)-alkyl, (C1-C4)-halogenalkyl, (C1-C4)-alkoxy-group, (C1-C4)-halogenalkoxy-group and (C1-C6)-alkylthio-group. Compounds of the formula (I) are intermediate substances used in synthesis of herbicide sulfonylureas that, in turn, show high exploitation indices.

EFFECT: improved method of synthesis, valuable properties of compounds.

12 cl, 2 tbl, 5 ex

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RU 2 309 948 C2

Authors

Vill'Ms Lotar

Knorr Kharal'D

Dates

2007-11-10Published

1997-06-18Filed