a. In a separate container, prepare a solution of the base (e.g., triethylamine or pyridine) in a small amount of organic solvent. b. Slowly add the base solution dropwise to the reaction flask while stirring. This will neutralize the hydrogen chloride gas generated during the reaction.
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((R)-3-Acetoxymethyl-2,2-dimethyl-cyclopent-3-enyl)-acetic acid 2-chlorocarbonyl-phenyl ester
3-(6-oxocyclohex-1-enyl)propanenitrile
(Z)-methyl 3-(4-(benzyloxy)phenyl)but-2-enoate
compound 5
N-Ethylpiperidine
