for the following products
(3R,6E)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-5-oxo-6-heptenoic acid methyl ester and 7-[4-Fluorophenyl]-6-isopropyl)-2-(N-methyl-N-methylsulfonyl amino)pyrimidine-5-yl]-(3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6E-heptanoic acid methyl ester