Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1989-03-02
1990-09-04
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544212, 544209, 544207, 544206, 544198, 544197, 544300, 544301, 544310, 544311, 544316, 544317, 546284, 546307, 546308, 546309, 546291, 546292, 546293, 546306, 564 39, 564 40, 564 42, 564 43, 544319, 544320, 544321, 544323, 544324, 544327, 544331, 544332, 544322, 544208, 558 61, 549 61, 549 62, 549 64, 549 65, C07D25142, C07D23969, C07D23942, C07D21375
Patent
active
049546287
ABSTRACT:
The invention relates to a process for preparing sulphonyl-ureas of the general formula (I) ##STR1## wherein Ar.sub.1 represents a phenyl, naphthyl or thienyl group, the derivatives thereof substituted by C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, (halo)alkoxycarbonyl, (halo)alkyloxy, nitro, cyano groups as well as by halogen atoms,
REFERENCES:
patent: 4534790 (1985-08-01), Wolf
Belak Maria
Besenyei Gabor
Dioszegine Erzsebet E.
Dukai Jozsef
Nagy Lajos
Ford John M.
Magyar Tudomanyos Akademia Kozponti Kemiai Kutato Intezete
Nitrokaelepek
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