Acetone → Methyl 2,3-dihydro-2-(1-methylethyl)-1H-isoindole-1-acetate

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Reaction Steps

To the compound obtained from Step A (0.50 g, 2.61 mmol) in dichloroethane (46 mL) was added acetone (1.76 mL, 24.01 mmol) and sodium triacetoxyborohydride (2.48 g., 11.74 mmol). After 6 hours, the mixture was diluted with 1.0N NaOH (100 mL), and the organic portion was separated. The aqueous layer was extracted with DCM (3×100 mL). The combined DCM extracts were dried (MgSO4) and concentrated to dryness to afford about 0.60 g (99%). EIS-MS 235 [M+1].

Provenance & Evidence