74886-79-6Relevant articles and documents
NMR and Molecular Mechanics of Alachlor Conformation and Conformers: Implications to the Mechanism of Environmental Photodegradation
Schmidt, Walter F.,Hapeman, Cathleen J.,Waters, Rolland M.,Johnson, W. E.
, p. 1724 - 1729 (1995)
Hindered intramolecular free rotation around specific single bonds within alachlor accounts for the existence of the stable conformers observed in solution by NMR spectroscopy.NMR and molecular mechanics techniques enable identification of the molecular chemical environment under which specific conformations of alachlor are changed.Results suggest the photodegradation products previously reported have one these conformers as a common intermediate.Chemical environments that increase the amount of this conformer could therefore enhance its rate of photodegradation.Chemical environments that stabilize a different conformation may have significantly longer halflives or different photodegradation products. Keywords: NMR; molecular mechanics; photodegradation; pesticide; alachlor
Eco-friendly molecular transformations catalyzed by a vitamin B 12 derivative with a visible-light-driven system
Tahara, Keishiro,Hisaeda, Yoshio
supporting information; experimental part, p. 558 - 561 (2011/05/08)
A new bio-inspired system composed of a vitamin B12 derivative and Rose Bengal, catalyzed the dehalogenations of various toxic alkyl halides such as 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethane (DDT) via a noble-metal-free and visible-light-driven process. This system also catalyzed radical-involved organic reactions such as the 1,2-migration of acyl group via a tin-free process. The Royal Society of Chemistry.
Occurrence of alachlor environmental degradation products in groundwater
Potter,Carpenter
, p. 1557 - 1563 (2007/10/03)
Groundwater samples collected beneath a Massachusetts corn field were analyzed by gas chromatography/mass spectrometry. In addition to alachlor, 20 compounds were detected whose EI and CIMS data indicated that they were derived from alachlor, presumably via environmental degradation. Structural assignments were confirmed for six of these compounds by analysis of standards. They were among 10 alachlor-related compounds that were synthesized by use of either the parent compound or 2,6-diethylaniline as starting material. -from Authors