Diisopropylethylamine → (2S)-4-(((tert-butoxy)carbonyl)amino)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)butanoic acid

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반응 단계

To 3 g of 2-chlorotrityl chloride resin with 1.3 mmol/g substitution (Novabiochem, 01-64-0114) in 30 ml of dry DCM in 30 ml reaction vessel for solid phase synthesis, 2.577 g (5.85 mmol, 1.5 eq) of Fmoc-Dab(diBoc)-OH (Mw=440.5, (Fmoc-(N-γ-Boc)-L-α,γ-diaminobutyric acid, AnaSpec, 28246) and 2.23 ml (12.87 mmol, 3.3 eq) of DIPEA (Aldrich, Mw=129.2, d=0.74) were added.

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