77832-42-9

Upstream product

• 96189-00-3 (+/-)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one 
• 90428-87-8 (S)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one 
• 94412-95-0 (R)-2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl nitrate 
• 95413-30-2 (R)-2-methyl-4-oxo-3-(2-propynyl)-2-cyclopentenyl methanesulfonate 
• 139107-32-7 C₉H₁₁BO₄ 

Downstream Products

• 77087-34-4 (S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one 
• 95413-30-2 (R)-2-methyl-4-oxo-3-(2-propynyl)-2-cyclopentenyl methanesulfonate 
• 90428-87-8 (S)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one 

Relevant academic research and scientific papers

PREPARATION OF OPTICALLY ACTIVE SECONDARY ALCOHOLS BY COMBINATION OF ENZYMATIC HYDROLYSIS AND CHEMICAL TRANSFORMATION

Several kinds of optically active secondary alcohols (S)-2, which are important intermediates of bioactive compounds, were prepared from the corresponding racemic acetate (+/-)-1 in high chemical and optical yields by combination of enzymatic hydrolysis and chemical transformation.

Preparation of (4S)-4-hydroxy-3-methyl-2-(2′-propynyl)-2-cyclopentenone by combination of enzymatic hydrolysis and chemical transformation

(4S)-4-Hydroxy-3-methyl-2-(2′-propynyl)-2-cyclopentenone ((S)-2), which is an important alcohol moiety of optically active pyrethroid insecticides, was prepared from the corresponding racemic acetate ((±)-1) by the combination of enzymatic hydrolysis and chemical transformation in high chemical and optical yields.