Piperidine → (R)-tert-butyl 6-(piperidin-1-ylmethyl)-1,2,3,4-tetrahydronaphthalen-1-ylcarbamate

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Reaction Steps

In 100 mL of 1,2-dichloroethane, 5.0 g (18 mmol) of (R)-tert-butyl 6-formyl-1,2,3,4-tetrahydronaphthalen-1-ylcarbamate and 3.1 g (36 mmol) of piperidine were combined. Next, 7.6 g (36 mmol) of sodium triacetoxy borohydride was added and the mix was stirred under nitrogen overnight. The mix was then dissolved in 100 mL of ethyl acetate, washed with 25 mL of saturated sodium bicarbonate, washed with 25 mL of brine, dried with sodium sulfate and concentrated to yield the crude material.

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