Fmoc-L-Tyr(tBu)-OH → (9H-fluoren-9-yl)methyl (S)-3-(4-tert-butoxyphenyl)-1-(((S)-1,1-diethoxypropan-2-yl)(quinolin-8-ylmethyl)amino)-1-oxopropan-2-ylcarbamate

Beteiligte Stoffe

Reaktionsschritte

According to the procedure described in the synthesis method of Compound III-1, (S)-1,1-diethoxy-N-(quinolin-8-ylmethyl)propan-2-amine (Compound IX-3) 1.33 g (4.6 mmol) was coupled with (S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-3-(4-tert-butoxyphenyl)propanoic acid 2.22 g (4.84 mmol) and purified on Buch silica gel column chromatography (n-hexane:ethyl acetate=4:6) to obtain the title compound 2.41 g (68%).

Herkunft & Nachweise