624-95-3, In the chemical reaction process,reaction time,type of solvent,can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.An updated downstream synthesis route of 624-95-3 as follows.
16.9 g of 3, 3-Dimethyl-l-butanol (117.3 mmol) and 0.0765 g MeO TEMPO (0. 411MMOL) are charged in a jacketed glass reaction flask as in Example I. Sodium borate (0.380 g, 1.0 mmol) and Zr (acetate) 2 (0.2 g solution, 0.1 mmol) are dissolved in water (12.0 cc) and the aqueous solution is added to the stirred organic fraction at 1000 RPM in the reaction flask. The stirred suspension is cooled to 0C and the emulsion is re- adjusted to pH=8.4 using 50% solution of CH3COOH. When the temperature of the reactants reached 0C, 75.5 g (122 mmol) of 12.1% aqueous NAOCI solution are pumped in via a gas-tight syringe over 90 minutes (The pH of the bleach solution was adjusted to 10 using 50% aqueous CH3COOH). During the bleach addition the pH was maintained at 8.3-8. 4 levels using few drops of 50% aqueous CH3COOH. The reaction mixture is stirred for an additional 120 min at 0C and the organic layer is sampled for GC assay. The reaction in this second stage was kept at pH 8.4 by addition of 0.2-0. 25 cc aqueous solution OF NAOH (50% concentration). The yield of 3, 3-dimethylbutyraldehyde is 95.0% at 60 min and 93.0% at 90 min reaction time.
The chemical industry reduces the impact on the environment during synthesis 624-95-3, I believe this compound will play a more active role in future production and life.
Reference:
Patent; THE NUTRASWEET COMPANY; WO2004/67484; (2004); A2;,
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