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tert-Butyl N-[(5-formylthiophen-2-yl)methyl]carbamate synthesis

2synthesis methods
24424-99-5 Synthesis
Di-tert-butyl dicarbonate

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

tert-Butyl N-[(5-formylthiophen-2-yl)methyl]carbamate

1314538-74-3
11 suppliers
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Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: potassium hexamethylsilazane / tetrahydrofuran / 2.25 h / -78 - 20 °C
1.2: 1 h / 0 °C
1.3: 0 - 20 °C
2.1: potassium hydrogen bifluoride / methanol; water / 0 - 20 °C
3.1: palladium diacetate; potassium carbonate; XPhos / water; toluene / 22 h / 85 °C / Inert atmosphere

References:

Molander, Gary A.;Shin, Inji [Organic Letters,2011,vol. 13,# 15,p. 3956 - 3959]