2-(1-Ethoxycarbonyl-2-vinylcyclopropylcarbamoyl)-4-hydroxycyclopentanecarboxylic acid tert-butyl ester → 17-[2-(2-Cyclohexylthiazol-4-yl)-7-methoxy-8-methyl-quinolin-4-yloxy]-13-methyl-2,14-dioxo-3,13-diazatricyclo[13.3.0.04,6]octadec-7-ene-4-carboxylic acid ethyl ester

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The title compound 121 was prepared in 50% yield from 2-(2-cyclohexylthiazol-4-yl)-4-hydroxy-7-methoxy-8-methylquinoline (119) and 2-(1-ethoxycarbonyl-2-vinylcyclopropylcarbamoyl)-4-hydroxycyclopentanecarboxylic acid tert-butyl ester following the procedure reported for the preparation of 17-[2-(6-methylpyridin-2-yl)-7-methoxy-8-methyl-quinolin-4-yloxy]-13-methyl-2,14-dioxo-3,13-diaza-tricyclo[13.3.0.04,6]-octadec-7-ene-4-carboxylic acid ethyl ester (101): m/z=715 (M+H)+.

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