Isolation and Characterization of Process-Related Impurity in Azoxystrobin | Zendy

S. G. Hiriyanna | Zendy; K. Basavaiah | Zendy; K. Sreedhar | Zendy

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Isolation and Characterization of Process-Related Impurity in Azoxystrobin

Author(s) -

S. G. Hiriyanna,

K. Basavaiah,

K. Sreedhar

Publication year - 2007

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2008/637235

Subject(s) - azoxystrobin , isolation (microbiology) , process (computing) , characterization (materials science) , impurity , computer science , chemistry , materials science , nanotechnology , biology , botany , programming language , organic chemistry , microbiology and biotechnology , fungicide

One unknown impurity in azoxystrobin bulk material at a level 0.15% was detected by a gradient reverse phase high performance liquid chromatography (HPLC). This impurity was isolated from a crude sample of azoxystrobin using reverse phase preparative LC. The impurity isolated by preparative LC was characterized by NMR, MS experimental data. Based on the results obtained from different spectroscopic experiments, these impurity was characterized as methyl 2( 2- (6- (2-cyanophenoxy)-2-((4-(2-cyanophenoxy)-6- (2- (1, 3-dimethoxy-3-oxoprop-l-en-2-yl) phenoxy) pyrimidin-5-yl) methyl) pyrimidin-4-yloxy) phenyl)-3-methoxyacrylate. Formation of this impurity is also discussed

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