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Developed using Trichloroisocyanuric Acid (TCCA)/dimethylformamide (DMF) in the presence of NaNO2

An efficient and safe method for nitration of aromatic compounds and decarboxylative nitration of α,β-unsaturated acids was developed using Trichloroisocyanuric Acid (TCCA)/dimethylformamide (DMF) in the presence of NaNO2. The reaction times of conventional protocol reduced from 8–10 h to 1.0–1.5 h (60–90 min) under sonication, even though the yields are comparable under both the conditions.
Compared with Trichloroisocyanuric Acid (TCCA), tribromoisocyanuric acid (TBCA) was described as follows, Primary, secondary and tertiary alcohols can be easily distinguished due to their reactivity towards tribromoisocyanuric acid (TBCA). The test is performed by adding TBCA to the alcohol in a test tube heated in a boiling water bath. Orange color develops in the tube containing the primary alcohol, light yellow is observed in the tube containing the secondary alcohol while the tertiary alcohol results in a colorless mixture.
By testing 42% Trichloroisocyanuric Acid (TCCA) wettable powder residue trials on tobacco, the results showed that the half-life of Trichloroisocyanuric Acid (TCCA) residues in tobacco leaves was 0.41 ~ 0.45d, residual half-life in soil 0 .15 ~ 0.40d. Under the influence of the relationship between the field and the weather, light, precipitation and other factors of tobacco and its own growth, faster degradation, so in tobacco seeds the detection has a very low levels. According to the results, the proposed 42% trichloro isocyanuric acid amount on tobacco is 540g / hm ^ 2, medication 3 times, spraying interval 7d, safety interval 14d. Harvest tobacco and tobacco seeds in residual volume of less than 2.5mg / kg.