2-Cyclopenten-1-one, 4-hydroxy-3-methyl-2-(2-propenyl)-, (S)- → HCID 86739809, compound

Participants

Reaction Steps

(1R,cis) 2,2-dimethyl-3(Z)-[2-chloro-3-oxo-3-methoxy-propenyl]-cyclopropane-1-carboxylic acid chloride and (4S)-hydroxy-3-methyl-2-(2-propenyl)-2-cyclopenten-1-one were reacted to obtain (S) 2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl (1R,cis) 2,2-dimethyl-3(Z)-[2-chloro-3-oxo-3-methoxy-propenyl]-cyclopropane-1-carboxylate with a specific rotation of [α]D20 =-15°±4° (c=0.25% in benzene)

Provenance & Evidence