Adding a certain compound to certain chemical reactions, such as: 114790-39-5, name is Benzyl (2,2-dimethoxyethyl)carbamate, belongs to amides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 114790-39-5, Recommanded Product: Benzyl (2,2-dimethoxyethyl)carbamate
Example 1B benzyl allyl(2,2-dimethoxyethyl)carbamate The product of Example 1A (281.0 g, 1.18 mol) in dry toluene (1.0 L) was treated with powdered KOH (291.2 g, 5.20 mol) and triethylbenzylammonium chloride (4.4 g, 0.02 mol). A solution of allyl bromide (188.7 g, 1.56 mol) in toluene (300 mL) was then added dropwise over 1 hour at 20-30 C. The mixture was stirred overnight at room temperature and then water (300 mL) was added over 20 minutes at 20-30 C. The layers were separated and the aqueous phase was extracted with toluene (2*300 mL). The organic phases were combined, washed with brine (2*100 mL), dried (K2CO3), filtered and the filtrate concentrated to provide the title compound. 1H NMR (MeOH-d4, 300 MHz) delta 3.32 (s, 3H) 3.37 (m, 5H), 3.97 (d, J=5.4 Hz, 2H), 4.40-4.50 (m, 1H), 5.15 (m, 4H), 5.75 (m, 1H), 7.23 (m, 5H); MS (DCI/NH3) m/z 297 (M+NH4)+, 280 (M+H)+.
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Reference:
Patent; Buckley, Michael J.; Ji, Jianguo; US2005/261348; (2005); A1;,
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