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Efficient Green Synthesis and Computational Chemical Study of Some Interesting Heterocyclic Derivatives as Insecticidal Agents
Author(s) -
Fahmy A. F. M.,
Rizk S. A.,
Hemdan M. M.,
ElSayed A. A.,
Hassaballah A. I.
Publication year - 2018
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.3308
Subject(s) - chemistry , thiourea , plutella , thiazole , imidazole , nucleophile , organic chemistry , ecology , lepidoptera genitalia , biology , catalysis
A series of 5,5‐diarylhydantoin (Dilantin) 3 , 4 , and 7 , imidazole 1 , 2 , 5 , 6 , 8 , and 9 , thiazole 10 – 12 , triazinthione 13 , 15 , 16 , and 17 , and thiadiazine 14 derivatives, containing diverse hydrophobic groups, were green synthesized through one‐pot stepwise reaction of aromatic aldehydes, vitamin B1, and nitrogen nucleophiles, for example, urea, thiourea, and thiosemicarbazide using grinding technique as well as conventional thermal methods. Such synthesized compounds have potent insecticidal activities; for example, compounds 4 , 6 , and 17 exhibited the highest insecticidal activity against both Plutella xylostella and Helicoverpa armigera with minimum inhibitory concentration values at 500 μg/mL and LD50 activities at 50 μg/mL. The density functional theory was then applied to explore the structural and electronic characteristics of these compounds. All the synthesized compounds have been characterized based on their elemental analyses and spectral data.

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