US 11,993,554 B1
3,3′-(hydrazine-1,2-diyl)bis(1-(naphthalen-2-yloxy)propan-2-ol) as an ecofriendly insecticidal agent against Spodoptera littoralis (Boisd.)
Mai Mostafa Khalaf Ali, Al-Ahsa (SA); Hany Mohamed Abd El-Lateef Ahmed, Al-Ahsa (SA); Antar Ahmed Abdelhamid Ahmed, Sohag (EG); and Mohamed A. Gad, Giza (EG)
Assigned to KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed by KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed on Nov. 16, 2023, as Appl. No. 18/511,426.
Application 18/511,426 is a division of application No. 18/238,694, filed on Aug. 28, 2023, granted, now 11,891,353.
Int. Cl. C07C 243/14 (2006.01); A01N 39/00 (2006.01); A01P 7/04 (2006.01); C07C 241/02 (2006.01)
CPC C07C 243/14 (2013.01) [A01N 39/00 (2013.01); A01P 7/04 (2021.08); C07C 241/02 (2013.01)] 1 Claim
 
1. 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.