Sodium borohydride → 5-Benzyl-5-azaspiro[2.4]heptan-7-one

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Reaction Steps

5-benzyl-5-azaspiro[2.4]heptan-7-one was prepared by similar manner to Example 3, starting from 10-benzyl-5,8-Dioxa-10-azadispiro[2.0.4.3]undecane (A). 5-benzyl-5-azaspiro[2.4]heptan-7-one (100 mg) then was dissolved into Methanol (8 ml) and stirred at RT. NaBH4 (100 mg) was added to the reaction and stirred at RT for 30 minutes. The reaction was evaporated and purified by column chromatography to give 5-benzyl-5-azaspiro[2.4]heptan-7-ol (85 mg) that was mixed with Pd—C (10%, 100 mg) in EtOH (15 ml) and hydrogenated under H2 at 50 psi for 5 hour. The reaction was filtered through Celite and evaporated to give the title compound as an oil. Mass: (M+1), 115

Provenance & Evidence