Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate as an eco-friendly insecticidal agent against spodoptera littoralis (boisd.)
Synthesis of a compound Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate and its use as an insecticidal agent.
1. A method of killing insects comprising applying to said insects or to a target site of insect infestation an insecticidally effective amount of an insecticidally active composition comprising an Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound having the formula I:
2. The method of killing insects of claim 1 , wherein the insects belong to a species Spodoptera littoralis.
3. The method of killing insects of claim 2 , wherein the Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound has an LC 50 of about 270.2 mg/L against the species Spodoptera littoralis after 72 hours of treatment.
4. The method of killing insects of claim 2 , wherein the Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound has an LC 50 of about 270.2 mg/L against 2 nd instars of larvae of the species Spodoptera littoralis after 72 hours of treatment.
5. The method of killing insects of claim 2 , wherein the Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound has an LC 50 of about 630.9 mg/L against 4 th instars of larvae of the species Spodoptera littoralis after 72 hours of treatment.
6. The method of killing insects of claim 1 , wherein the Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound is applied to castor leaves.
7. The method of killing insects of claim 1 , wherein about 12.5 to about 200 ppm of the Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound is applied to the insects or to the target site.
8. A method of repelling insects comprising applying to a target site of insect infestation an insect repelling effective amount of an insecticidally active composition comprising an Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound having the formula I:
9. The method of repelling insects of claim 8 , wherein the insects belong to a species Spodoptera littoralis.
10. A method of controlling an insect pest comprising applying to a target site of insect infestation an insect controlling effective amount of an insecticidally active composition comprising an Ethyl-2-{[(2,4-dichlorobenzoyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate compound having the formula I:
11. The method of controlling the insect pest of claim 10 , wherein the insect pest belongs to a species Spodoptera littoralis.