Adding a certain compound to certain chemical reactions, such as: 123-29-5, name is Ethyl nonanoate, belongs to esters-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 123-29-5, Recommanded Product: 123-29-5
EXAMPLE 4 STR11 1-Methoxy-7-(4-pentenyloxy)heptane Sodium hydride (665 mg, 17 mmol, washed three times with hexane) was treated with the title product of Example 3 (2.0 g, 14 mmol) in 90 mL of tetrahydrofuran at reflux for one hour. A solution of 5-bromopentene (2.0 g, 14 mmol) in 50 mL of tetrahydrofuran was added dropwise and refluxing continued for 20 hours. After cooling to room temperature, 50 mL of water was added, the layers separated and the aqueous phase was extracted with two portions of ethyl acetate. The combined organic extracts were washed with brine, dried over magnesium sulfate, filtered and concentrated. Chromatography of the crude residue on silica gel using 50–50 ethyl acetate-heptane as eluant gave the title compound (485 mg) as a yellow oil and the structure verified by NMR.
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Reference:
Patent; G. D. Searle & Co.; US5859052; (1999); A;; ; Patent; G. D. Searle & Co.; US5599947; (1997); A;,
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