Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters
Patent
1993-11-03
1994-09-06
Morris, Patricia L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbonate esters
C07C 6996
Patent
active
053449533
ABSTRACT:
Disclosed are fluorobenzene derivatives, which are important intermediates for producing herbicidal oxazolidinedione derivatives, and methods of producing them. The fluorobenzene derivatives include compounds of a formula (11): ##STR1## where X is a halogen atom, R.sup.3 is a nitro, amino or isocyanato group or R.sup.1 OCONH, and R.sup.1 is an alkyl or phenyl group. Via the intermediates of the invention, oxazolidinedione derivatives can be produced with high yield.
Aizawa Kiyomi
Ejiri Emiko
Hirai Kenji
Tateno Tomoko
Yamashita Mitsuo
Ambrose Michael G.
Kaken Pharmaceutical Co. Ltd.
Morris Patricia L.
Sagami Chemical Research Center
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