Insecticidal carbamates exhibiting species-selective inhibition of acetylcholinesterase (AChE)

An insecticidal composition comprising a compound of Formula (II):

• wherein:
• A is chosen from O and S;
• R21 is chosen from methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, isobutyl, —CF3, —CF2CF3, ═CH2, ═CHCH3, ═CHCH2CH3, ═C(CH3)2, ═CHCH2CH2CH3, and ═C(CH3)(CH2CH3);
• R2 is chosen from ethyl, propyl, butyl, —CF3, and —CF2CF3;
• and
• R23 is hydrogen or when appropriate is no substituent.

A net for controlling mosquitoes comprising a compound of Formula (II):

• wherein:
• A is chosen from O and S;
• R21 is chosen from methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, isobutyl, —CF3, —CF2CF3, ═CH2, ═CHCH3, ═CHCH2CH3, ═C(CH3)2, ═CHCH2CH2CH3, and ═C(CH3)(CH2CH3);
• R22 is chosen from ethyl, propyl, butyl, —CF3, and —CF2CF3;
• and
• R23 is hydrogen or when appropriate is no substituent.

An insecticidal composition comprising a compound chosen from 2-(2-ethylbutylthio)phenyl-N-methylcarbamate;

• 2-(2-ethylbutoxy)phenyl-N-methyl carbamate;
• 2-(2-methylbutylthio)phenyl-N-methylcarbamate;
• 2-(isobutylthio)phenyl-N-methyl carbamate;
• and 2-isobutoxyphenyl-N-methyl carbamate.

A net for controlling mosquitoes comprising a compound chosen from 2-(2-ethylbutylthio)phenyl-N-methylcarbamate;

• 2-(2-ethylbutoxy)phenyl-N-methyl carbamate;
• 2-(2-methylbutylthio)phenyl-N-methylcarbamate;
• 2-(isobutylthio)phenyl-N-methyl carbamate;
• and 2-isobutoxyphenyl-N-methyl carbamate.

A compound of Formula (II):

• wherein:
• A is chosen from O and S;
• R21 is chosen from methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, isobutyl, —CF3, —CF2CF3, ═CH2, ═CHCH3, ═CHCH2CH3, ═C(CH3)2, ═CHCH2CH2CH3, and ═C(CH3)(CH2CH3);
• R22 is chosen from methyl, ethyl, propyl, butyl, —CF3, and —CF2CF3;
• and
• R23 is hydrogen, or a —CF3, group, or a —CF2CF3 group, or when appropriate is no substituent;
• wherein said R21 and/or R23 of said compound of Formula (II) comprise a —CF3 or —CF2CF3 group.

A compound chosen from 2-(3,3,3-trifluoro-2-methylpropylthio)phenyl N-methylcarbamate;

• 2-(2-(trifluoromethyl)butylthio)phenyl N-methylcarbamate;
• 2-(3,3,4,4,4-pentafluoro-2-methylbutylthio)phenyl N-methylcarbamate;
• 2-(3,3,4,4,4-pentafluoro-2-(trifluoromethyl)butylthio)phenyl N-methylcarbamate;
• 2-(2-ethyl-3,3,4,4,4-pentafluorobutylthio)phenyl N-methylcarbamate;
• 2-(3,3,4,4,4-pentafluoro-2-(perfluoroethyl)butylthio)phenyl N-methylcarbamate;
• 2-(3,3,3-trifluoro-2-methylpropoxy)phenyl N-methylcarbamate;
• 2-(2-(trifluoromethyl)butoxy)phenyl N-methylcarbamate;
• 2-(3,3,4,4,4-pentafluoro-2-methylbutoxy)phenyl N-methylcarbamate;
• 2-(3,3,4,4,4-pentafluoro-2-(trifluoromethyl)butoxy)phenyl N-methylcarbamate;
• 2-(2-ethyl-3,3,4,4,4-pentafluorobutoxy)phenyl N-methylcarbamate;
• and 2-(3,3,4,4,4-pentafluoro-2-(perfluoroethyl)butoxy)phenyl N-methylcarbamate.