Title: Sulcotrione
CAS Registry Number: 99105-77-8
CAS Name: 2-[2-Chloro-4-(methylsulfonyl)benzoyl]-1,3-cyclohexanedione
Manufacturers' Codes: ICIA-0051; SC-0051
Trademarks: Mikado (Bayer CropSci.)
Molecular Formula: C14H13ClO5S
Molecular Weight: 328.77
Percent Composition: C 51.15%, H 3.99%, Cl 10.78%, O 24.33%, S 9.75%
Literature References: Triketone bleaching herbicide for use in maize. Inhibits 4-hydroxyphenylpyruvate dioxygenase, an enzyme involved in the biosynthesis of plastoquinones. Prepn: W. J. Michaely, G. W. Kraatz, EP 137963; eidem, US 4780127 (1983, 1988 both to Stauffer Chem.). Field trials in corn: J. S. Wilson, C. L. Foy, Weed Technol. 4, 731 (1990). Soil adsorption: eidem, ibid. 6, 583 (1992). Mode of action study: J. Secor, Plant Physiol. 106, 1429 (1994). Comprehensive description: J. M. Beraud et al., Brighton Crop Prot. Conf. - Weeds 1991, 51-56.
Properties: Light tan solid, mp 139°. Vapor pressure (25°): 4 ´ 10-8 mm Hg. Soly in water (25°): 165 mg/l. Sol in acetone, chlorobenzene.
Melting point: mp 139°
Use: Herbicide. |