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Short Paper | Regular issue | Vol 91, No. 6, 2015, pp.1256-1268
Published online, 26th May, 2015
DOI: 10.3987/COM-15-13225
Synthesis and Safener Activity of Novel Substituted 4-Phenoxyacetyl-1,4-benzoxazines

Fei Ye, Shi-Long Wu, Li-Xia Zhao, Hai-Tao Qu, Shuang Gao, and Ying Fu*

*Department of Applied Chemistry, College of Sciences, Northeast Agricultural University, No.59 Mucai Street Harbin 150030, Heilongjiang, China

Abstract

A novel class of 3-methyl-4-phenoxyacetyl-3,4-dihydro-2H-1,4-benzoxazine 3 were synthesized via reduction, cyclization, and acylation reactions. The structures of the compounds were characterized by IR, 1H-NMR, 13C-NMR, MS, and elemental analyses. The configuration of 3f was determined by X-ray crystallography. The bioassay results demonstrated that most of these compounds could alleviate 2,4-D butylate injury to maize.