Study Synthesis of 4-Methyl Octanoic Acid and Ethyl-4-Methyl Octanoic Pheromones Aggregation of Rhino Beetle (Oryctes rhinoceros) Using Mannich Reaction and Claisen Rearrangement
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منابع مشابه
Design and Synthesis of 2-Methyl and 2-Methyl-4-Nitro Imidazole Derivatives as Antifungal Agents
Two series (a and b) of N- substituted heteroaromatic compounds related to clotrimazole were synthesized. Imidazole ring of the clotrimazole was replaced by 2-methylimidazole in series a, and by 2-methyl-4-nitroimidazole in series b. O-cholortrityl moiety of clotrimazole was also replaced by trityl, mono or dimethoxy trityl. Chemical structures...
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15 صفحه اولSynthesis of 8-(5-Aryl-4-Octyl-2-Phenyl-3, 4-Dihydro-2H-Pyrazol- 3-yl)-Octanoic acid ethyl esters via 1, 3-Dipolar Cycloaddition Reaction
Aldehyde phenyl hydrazones 2a-i undergo oxidative dehydrogenation with Chloramine-T to give nitrile imines, which are trapped in situ by ethyl oleate 1 to afford 8-(5-Aryl-4-octyl-2-phenyl-3,4-dihydro-2Hpyrazol-3-yl)-octanoic acid ethyl esters 3a-i in good yield. The structures of the cycloadducts were confirmed by spectral studies and elemental analysis.
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Irradiation of &methyl spiro [2.5] oct-7-en-4-one through its singlet excited state resulted in the formation of 4-methyl spirO [2.5] oct-4-en -6-one. We have used the cyclopropyl moiety in the molecule as a probe to study the operating mechanism in the photochemistry of ?, ?-unsaturated compounds. The results showed that this photoisomerization probably occurs through a concerted process.
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Although scintigraphy, a non-invasive procedure, is usually considered to be the reference technique for measuring gastric emptying in humans, several drawbacks limit its application in routine practice. Expensive equipment is required and access to a nuclear medicine department, and the use of radioactive isotopes (generally Tc and In) can produce low but significant irradiation. It is diYcult...
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ژورنال
عنوان ژورنال: Jambura Journal of Chemistry
سال: 2019
ISSN: 2656-6834,2656-3665
DOI: 10.34312/jambchem.v1i2.2525