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ChemicalBook CAS DataBase List (4-CYANOBENZYL)PHOSPHONIC ACID DIETHYL ESTER
1552-41-6

(4-CYANOBENZYL)PHOSPHONIC ACID DIETHYL ESTER synthesis

13synthesis methods
-

Yield: 80%

Reaction Conditions:

with tetra-(n-butyl)ammonium iodide at 120; for 24 h;Inert atmosphere;

Steps:

4 Example 4 Triethyl phosphite and 4-cyanobenzyl alcohol were used to prepare diethyl 4- (cyano) benzylphosphonate
To a 20 mL tubular reactor was added 4-cyanobenzyl alcohol (66.5 mg, 0.50 mmol)Triethyl phosphite (166.0 mg, 1.0 mmol, 2.0 equiv.) And tetrabutylammonium iodide (3.7 mg, 0.01 mmol, 2 mol%), vacuum nitrogenAnd then heated to 120 ° C for 24 h under solvent-free conditions. TLC monitoring reaction is complete,The product was purified by column chromatography and the yield was 80%.

References:

Wenzhou University;Xu Qing;Ma Xiantao;Su Chenliang;Han Libiao CN106543221, 2017, A Location in patent:Paragraph 0034; 0035; 0036; 0037

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