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tert-Butyl 4-carbamoylbenzylcarbamate synthesis

4synthesis methods
24424-99-5 Synthesis
Di-tert-butyl dicarbonate

24424-99-5
816 suppliers
$13.50/25G

tert-Butyl 4-carbamoylbenzylcarbamate

871721-44-7
19 suppliers
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Yield:871721-44-7 86%

Reaction Conditions:

in tetrahydrofuran at 20; for 2 h;

Steps:

14-9.1 Step 1 : Preparation of tert-butyl (4-carbamoylbenzvDcarbamate

4-(aminomethyl)benzamide (0.3 g) was dissolved in THF (5 ml) and Boc-anhydride (0.45 g) was added. The mixture was stirred at room temperature for 2 h and evaporated to dryness. The residue was purified by column silica gel chromatography to give tert-butyl (4-carbamoyl- benzyl)carbamate (0.43 g, 86%) which was used directly in the next step.

References:

WO2021/163631,2021,A1 Location in patent:Page/Page column 93