Herbicide intermediate o-nitrophenyl cyclopropyl ketone and a me

Details Herbicide intermediate o-nitrophenyl cyclopropyl ketone and a me Herbicide intermediate o-nitrophenyl cyclopropyl ketone and a me

1993-12-02

1994-11-15

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

568306, C07C20936

Patent

active

053649680

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.

REFERENCES:
patent: 3268533 (1966-08-01), Freed et al.
patent: 4075346 (1978-02-01), Sasajima et al.
patent: 5107023 (1992-04-01), Brady et al.
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).
CA54:15306; Bennett et al., 10 Aug. 1960.
CA105:93715m, Shive et al., Sep. 1986.

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