p. 3553 - 3560
(1999)1-tert-butyldimethylsilyl(oxy)-2-carbethoxy-5-isopropylcyclopent-1-ene
ethyl 2-oxo-1-(1'-methylethyl)-cyclopentane-1-carboxylate
ethyl 3-(1'-methylethyl)-2-oxo-cyclopentane-1-carboxylate
Diethyl glutarate
1-tert-butyldimethylsilyl(oxy)-2-hydroxymethyl-5-isopropylcyclopent-1-ene