[O:1]=[C:2]([CH2:20][CH2:21][C:22]1C=CC=[CH:24][CH:23]=1)/[CH:3]=[CH:4]/[CH:5]1[N:9]([CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][C:16]([OH:18])=[O:17])[C:8](=[O:19])[CH2:7][S:6]1.O=C(CCCCC)/C=C/C1N(CCCCCCC(O)=O)C(=O)CS1>>[OH:1][CH:2]([CH2:20][CH2:21][CH2:22][CH2:23][CH3:24])/[CH:3]=[CH:4]/[CH:5]1[N:9]([CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][C:16]([OH:18])=[O:17])[C:8](=[O:19])[CH2:7][S:6]1This compound is prepared essentially by the method as described in Example 13, Step D, except that the 7-[2-(3-oxo-5-phenyl-1-trans-pentenyl)-4-oxo-3-thiazolidinyl]-heptanoic acid is replaced with 7-[2-(3-oxo-1-trans-octenyl)-4-oxo-3-thiazolidinyl]heptanoic acid. Chromatographic purification of the product resulting this method on silica gel affords the title compound as a pale yellow, viscous oil.
Wird geladen…