Continuously updated synthesis method about 126-38-5

The synthetic route of 126-38-5 has been constantly updated, and we look forward to future research findings.

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 126-38-5, name is 1-Bromo-2,2-dimethoxypropane, A new synthetic method of this compound is introduced below., Application In Synthesis of 1-Bromo-2,2-dimethoxypropane

To a suspension of 5-bromo-3-methylpyrazin-2-amine (4.63g, 24.6 mmol) in iPrOH (30 ml) was added l-bromo-2,2-dimethoxypropane (3.66 ml, 27.1 mmol), pyridinium para-toluene sulfonic acid (0.62g, 2.5 mmol) and the mixture heated to 65C in a sealed tube for 36h. The reaction was diluted with DCM, washed with saturated sodium hydrogen carbonate solution, dried (Na2S04) and concentrated. Purification by flash column chromatography on silica gel (EtOAc: Hept 1:4-1: 1) afforded the titled product as a light yellow crystalline solid (3.96 g, 71%). MS (m/e): 226.1 (M+H+, Br)

The synthetic route of 126-38-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; GREEN, Luke; PINARD, Emmanuel; RATNI, Hasane; WILLIAMSON, Patrick; (95 pag.)WO2015/197503; (2015); A1;,
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