HCID 13390089, compound → HCID 86743531, compound

Participants

Reaction Steps

Using the procedure of Example 2, 1.5 g of (1R,cis) 2,2-dimethyl-3-[(Z) 3-oxo-3-phenoxy-1-propenyl]-cyclopropane-carboxylic acid and 1 g of (S) 3-(2-propenyl)-1-hydroxy-2-methyl-4-oxo-cyclopent-2-en-1-yl were reacted to obtain 1.6 g of (1S) 2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl (1R, cis) 2,2-dimethyl-3-[(Z) 3-oxo-3-phenoxy-1-propenyl]-cyclopropane-carboxylate with a specific rotation of [α]D20 =+66°±2.5 (c=0.5% in benzene).

Provenance & Evidence