The Nitration of Acylpentamethylbenzenes and 1,3-Diacyltetramethylbenzenes Bearing, as the Acyl Components, Pivaloyl, Trichloroacetyl, and Tribromoacetyl Groups. Exclusive Attack on the Methyl Group at the Most Crowded Site
concentrated nitricacid in dichloromethane at room temperature, the title compounds undergo an exclusive attack on the methyl group at the most crowded site, giving 6-acyl-2,3,4,5-tetramethylbenzyl nitrates, and 2,6-diacyl-3,4,5-trimethylbenzyl nitrates and/or (2,6-diacyl-3,4,5-trimethylphenyl)nitromethanes respectively, as the major products. While the predominant mode of the side-chain substitution
AMIDE DERIVATIVE, PEST CONTROL AGENT CONTAINING THE AMIDE DERIVATIVE, AND USE OF THE AMIDE DERIVATIVE
申请人:Kobayashi Yumi
公开号:US20110201687A1
公开(公告)日:2011-08-18
An amide derivative represented by the following Formula (1) is provided as an amide derivative showing a significantly excellent effect for a pest control action.
In the following Formula (1), A represents a carbon atom, a nitrogen atom, or the like, and K represents a non-metal atomic group necessary for forming a cyclic linking group derived from benzene or a heterocyclie. X represents a halogen atom or the like; n represents an integer of from
0
to
4
. R
1
and R
2
represent hydrogen atoms, alkyl groups, or the like. T represents —C(=G
1
)-Q
1
or —C(=G
1
)-G
2
Q
2
, and G
1
to G
3
each represent oxygen atoms or the like. Q
1
and Q
2
each represent a hydrogen atom, an alkyl group, an aryl group, or the like. Y
1
and Y
5
each represent a halogen atom or the like, Y
2
and Y
4
each represent a hydrogen atom or the like, and Y
3
represents a C2-C5 haloalkyl group.
Regioselective side-chain nitration of polymethylbenzenes directed by an acyl function and its application to the synthesis of polysubstituted phthalic acid derivatives