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. 1663-61-2, name is (Triethoxymethyl)benzene, A new synthetic method of this compound is introduced below., Quality Control of (Triethoxymethyl)benzene
2-Azido-3-hydroxypropyl benzoate (27): Neat 23 (1.48 g, 12.65 mmol) was dissolved in CH2Cl2 (127 mL) and treated with a catalytic amount of p-toluene sulfonic acid monohydrate (0.048 g, 20 mumol) and (trimethoxymethyl)benzene (3.26 mL, 18.98 mmol) in CH2Cl2 at room temperature for 1 hr. After the formation of the orthoester was complete, a stoichiometric amount of water (340 muL, 18.98 mmol) was added to the mixture. The mixture was then stirred for 40 min and concentrated in vacuo. Purification of the residue by silica gel flash chromatography using 25percent EtOAc/hexanes gave 2.6 g of monoacylated product 27 (93percent yield) as a clear, colorless oil. 1H NMR (CDCl3, 400 MHz) delta: 8.03-8.06 (m, 2H), 7.58 (tt, J=1.6, 2.0, 1.6 1H), 7.43-7.47 (m, 2H), 4.54 (dd, J=4.4, 12.0 Hz, 1H), 4.46 (dd, J=6.8, 12.0 Hz, 1 H), 3.85-3.91 (m, 1H), 3.80 (dd, J=4.8, 11.6 Hz, 1H), 3.73 (dd, J=6.0, 11.6 Hz, 1H).
The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.
Reference:
Patent; SIEMENS MEDICAL SOLUTIONS USA, INC.; US2009/10846; (2009); A1;,
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