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1H NMR spectroscopy and were consistently pure enough for the next step.
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1H NMR spectroscopy and were consistently pure enough for the next step.
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14
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When required, traces of unreacted starting amine were removed with the acidic resin Amberlyte IR120 hydrogen form (Aldrich, ref 216534) as follows: A solution of the corresponding ceramide analogue in MeOH (2.0 mL) was treated with Amberlyte IR120 (100 mg, equivalent to 0.4 mmol based on resin loading) and stirred overnight at room temperature. The resin was filtered out, and the solution was evaporated to dryness to afford the required ceramide analogues.
-
When required, traces of unreacted starting amine were removed with the acidic resin Amberlyte IR120 hydrogen form (Aldrich, ref 216534) as follows: A solution of the corresponding ceramide analogue in MeOH (2.0 mL) was treated with Amberlyte IR120 (100 mg, equivalent to 0.4 mmol based on resin loading) and stirred overnight at room temperature. The resin was filtered out, and the solution was evaporated to dryness to afford the required ceramide analogues.
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