investigated in an aqueoussolution containing nitrates and nitrites at 310 nm and 365 nm, respectively. In both NO3− and NO2− conditions, the degradation of monuron followed pseudo-first order kinetics. The intermediate products were identified by GC-MS, and the nitration, hydroxylation and coupling reactions were determined. In addition, the oxidation of the N-terminus group, the substitution of chlorine
HADJIEVA, B. G.;KALCHEVA, V. B.;VASSILEV, G. N.;GALABOV, B.;DIMCHEVA, Z. +, DOKL. BOLG. AN, 41,(1988) N1, S. 79-82
作者:HADJIEVA, B. G.、KALCHEVA, V. B.、VASSILEV, G. N.、GALABOV, B.、DIMCHEVA, Z. +
DOI:——
日期:——
US4404356A
申请人:——
公开号:US4404356A
公开(公告)日:1983-09-13
Identification and Formation Pathway of Laccase-Mediated Oxidation Products Formed from Hydroxyphenylureas
作者:C. Jolivalt、L. Neuville、F. D. Boyer、L. Kerhoas、C. Mougin
DOI:10.1021/jf060351i
日期:2006.7.1
of the reaction and the nature of the transformation products. Structural characterization by spectroscopic methods (NMR, mass spectrometry) of eleven transformation products shows that laccase oxidizes the substrates to quinones or to polyaromatic oligomers. Slightly acidic conditions favor the formation of quinones as final transformation products. In contrast, at pH 5-6, the quinones further react