US 11,993,554 B1Granted

3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) as an ecofriendly insecticidal agent against Spodoptera littoralis (Boisd.)

AssigneeKing Faisal University

InventorsMai Mostafa Khalaf Ali, Hany Mohamed Abd El-Lateef Ahmed, Antar Ahmed Abdelhamid Ahmed, Mohamed A. Gad

Life of this patent

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A compound 3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol), its synthesis, and its use as an insecticidal agent.

Dependent claims

A method of making a 3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) compound, the method comprising:

treating 2-((2naphthyloxy)methyl)oxirane with hydrazine hydrate in a presence of triethylamine as a catalyst to obtain a crude product;
and purifying the crude product by recrystallization using absolute ethyl alcohol to obtain the 3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) compound.

Dependencies are inferred from the claim text.

C07C 243/14
Having nitrogen atoms of hydrazine groups bound to acyclic carbon atoms: of a saturated carbon skeleton
A01N 39/00
Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or
A01P 7/04
Arthropodicides: insecticides
C07C 241/02
Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes: preparation of hydrazines

From the US filing history. Foreign family members aren’t listed.

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