3-Phenoxy-alpha-ethynylbenzylalcohol → alpha-ethynyl-3-phenoxy-benzyl(1R,cis)2,2-dimethyl-3-[(Z)3-oxo-3-(2-fluoroethoxy)-1-propenyl]-cyclopropane-carboxylate

Beteiligte Stoffe

Reaktionsschritte

Using the procedure of Step F of Example 9, (1R,cis)2,2-dimethyl-3-[(Z)3-oxo-3-(2-fluoroethoxy)-1-propenyl]-cyclopropane-carboxylic acid and α-ethynyl-3-phenoxy-benzyl alcohol were reacted to obtain α-ethynyl-3-phenoxy-benzyl(1R,cis)2,2-dimethyl-3-[(Z)3-oxo-3-(2-fluoroethoxy)-1-propenyl]-cyclopropane-carboxylate with a specific rotation of [α]D20 =+47°±1.5° (c=1% in CHCl3).

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