6-Fluoro-1,2,3,4-tetrahydronaphthalen-2-one → HCID 11154195, compound

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Reaction Steps

6-Fluoro-3,4-dihydro-1H-naphthalen-2-one (0.2 mmol) was combined with 2-(S)-Amino-pentanoic acid (5-Cyclopentylmethyl-isoxazol-3-yl)-amide (0.2 mmol) in 2 mL of anhydrous dichloromethane under N2. Sodium triacetoxyborohydride (0.3 mmol) and two drops acetic acid were added and the reaction was stirred at rt for 16 h. The crude solution was then concentrated under reduced pressure and purified through flash chromatography on silica gel to give 2-(S)-(6-Fluoro-1,2,3,4-tetrahydro-naphthalen-2-ylamino)-pentanoic acid (5-cyclopentylmethyl-isoxazol-3-yl)-amide, LC-MS: retention time 2.0 min, M+1: 414.

Provenance & Evidence