Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1994-08-09
1995-09-26
Robinson, Allen J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C20506
Patent
active
054535450
ABSTRACT:
There is provided o-nitrophenyl cyclopropyl ketone, a key intermediate in the manufacture of the crop-selective, herbicidal agent 1-{[o-(cyclopropylcarbonyl)phenyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidiny l)urea and a method for the preparation of said ketone from dihydro-3-acetyl-2(3H)-furanone and o-nitrobenzoyl halide.
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patent: 5009699 (1991-04-01), Brady et al.
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Chemical Art & Pharmaceutical Bulletin vol. 9, (1961), pp. 719-721.
Yakugaku Zasshi, vol. 88 (8), pp. 1050-1053 (1968).
Organic Syntheses, Coll. vol. IV, pp. 597-600 (1958).
Cannon et al., "Methyl Cyclopropyl Ketone"; Organic Syntheses, Collective vol. 4, Wiley & Sons (1958).
CA 54:15306i; Bennett et al., 10 Aug. 1960.
CA 105:93715m, Shive et al., Sep. 1986.
Burello Marco P.
Cortes David A.
Stack Jeffrey G.
American Cyanamid Co.
Burn Brian M.
Climenson Peggy A.
Robinson Allen J.
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