Process for the preparation of benezenesulfonamides

Details Process for the preparation of benezenesulfonamides Process for the preparation of benezenesulfonamides

1992-04-29

1993-06-15

Robinson, Allen J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

562 74, 562830, 562833, C07C30338, C07C31115, C07C30986, C07C30987

Patent

active

052200620

ABSTRACT:
There is disclosed a multi-step process for the preparation of benzenesulfonamides of general formula ##STR1## wherein R is 3,3-difluorobutyl or 3,3-difluorobuten-1-yl. The benzenesulfonamides obtainable by the process of the invention are intermediates for the synthesis of herbicidally active sulfonyl ureas.

REFERENCES:
patent: 4671819 (1987-06-01), Meyer et al.
patent: 5104440 (1992-04-01), Meyer et al.

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