A new synthetic route of 623-69-8

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Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 623-69-8, name is 1,3-Dimethoxypropan-2-ol. This compound has unique chemical properties. The synthetic route is as follows. Recommanded Product: 623-69-8

Synthesis of trans-N 1 -(1 ,3-dimethoxypropan-2-yl)cyclohexane-1 ,4-diamine (IntermediateStep 1 . To NaH (0.366 g, 9.16 mmol) in THF (12 mL) at 0 °C was added 1 ,3- dimethoxy-2-propanol (1 g, 8.32 mmol) in THF (8 mL) solution. The mixture was warmed to ambient temperature and stirred for 0.5 hour. To this was added tosyl chloride (1.587 g, 8.32 mmol) in one portion. The resulting white cloudy mixture then was stirred at ambient temperature for 16 hours. LC/MS showed complete conversion to 1 ,3- dimethoxypropan-2-yl 4-methylbenzenesulfonate. The reaction mixture was poured into water and extracted with EtOAc. The organic extracts were combined, washed with brine, dried with sodium sulfate and concentrated in vacuo to yield 2 g of a colorless oil. The crude mixture was purified by Analogix system (silica gel column 80 g, gradient: 0 min, 100percentn-heptane; 5-12 min, 20percent EtOAc in Heptane; 12-15 min. 30percent EtOAc in Heptane and hold until 30 min). The pure fractions were combined and concentrated in vacuo to yield 1.25 g of the tosylate product 1 ,3-dimethoxypropan-2-yl 4- methylbenzenesulfonate as a colorless oil, which solidified upon standing.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 623-69-8, 1,3-Dimethoxypropan-2-ol.

Reference:
Patent; NOVARTIS AG; ANTONIOS-MCCREA, William R.; BARSANTI, Paul A.; HU, Cheng; JIN, Xianming; LIN, Xiaodong; MARTIN, Eric J.; PAN, Yue; PFISTER, Keith B.; RENHOWE, Paul A.; SENDZIK, Martin; SUTTON, James; WAN, Lifeng; WO2012/101066; (2012); A1;,
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