HCID 9860843, compound → HCID 9795740, compound

Participants

Reaction Steps

Condition 1: The product of Example 1, 0.50 g (1.71 mmol) was dissolved in anhydrous tetrahydrofuran (5 ml) under an atmosphere of nitrogen. To this was added tetrakis-(triphenylphosphine)palladium(0) (0.099 g, 0.086 mmol) followed by cyclopentyl magnesium bromide (2 M in diethyl ether, 2.14 ml, 4.28 mmol). The solution was heated to reflux for 16 hours. Upon cooling the reaction was partitioned between water and diethyl ether. The aqueous layer was back extracted with diethyl ether twice and the organic fractions combined. The organic layers were washed with brine, dried (MgSO4) and concentrated in vacuo. Chromatography (SiO2, 30% ethyl acetate/hexanes) gave the title compound 0.06 g (13%).

Provenance & Evidence