查尔酮衍生物合成杂环化合物及其农药活性研究(抗dubas)

T. I. Mohammed, S. A. Hassan, A. K. Abbas, Rawaa N. Abdulazeez
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引用次数: 0

摘要

在本研究中,我们合成了恶嗪和噻嗪衍生物(3-6)。这些由4-羟基苯乙酮和醛衍生物如4-溴苯甲醛和4-氯苯甲醛合成的查康酮化合物(1和2)的衍生物。查尔酮(1-2)衍生物与尿素反应生成恶嗪衍生物为4-[4-氨基-6-(4-取代苯基)- 2h -1,3-恶嗪-2-基]苯酚(3和4)和硫脲生成4-[4-氨基-6-(4-取代苯基)- 2h -1,3-噻嗪-2-基]苯酚(5和6)。这些衍生物通过FTIR和1HNMR等光谱方法进行了表征。用喷雾法合成的化合物3和化合物5作为杀虫剂(抗杜巴斯),它们的衍生物杀死杜巴斯,我们注意到化合物5的活性比化合物3强,因为化合物5的结构中有S原子,通过对昆虫胆碱酯酶的作用结合在杜巴斯的活性基团上。
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Synthesis of Heterocyclic Compounds Via Chalcone Derivatives and Study Activity of Some these Compounds as Pesticides (Anti-Dubas)
In this research, we synthesized oxazine and thiazine derivatives (3-6). These derivatives of chacone compounds (1 and 2) that synthesized from 4- hydroxyacetophenone and aldehyde derivatives such as, 4-bromobenzaldehyde and 4- chlorobenzaldehyde. These derivatives of chalcone (1-2) reacted with urea to produce oxazine derivatives as 4-[4-amino-6-(4-subsutitedphenyl)-2H-1,3-oxazin-2-yl] phenol (3 and 4) and thiourea to produce 4-[4-amino-6-(4-subsutitedphenyl)-2H-1,3-thiazin-2-yl] phenol (5 and 6). These derivatives were characterization by spectroscopy methods such as, FTIR and 1HNMR. Some compounds (3 and 5) that synthesized tested as Pesticides (anti-dubas) through the spray method and these derivatives killed Dubas and we noted the compound 5 was more active from compound 3 because compound 5 have been S atom in his structure that bonded in active group in dubas by effect on Cholinesterase enzyme in the insect.
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