The effect of water on the enantioselective hydrogenation of ethyl pyruvate and butane-2,3-dione using cinchona-modified Pt/Al₂O₃

Physics & Astronomy

• pyruvates 93%
• Dione 90%
• butanes 72%
• hydrogenation 64%
• hydrolysis 44%
• proportion 36%
• water 33%
• alkaloids 32%
• lactates 28%
• augmentation 23%
• esters 22%
• pretreatment 21%
• vessels 17%
• acids 17%
• aluminum oxides 15%
• nuclear magnetic resonance 15%

Chemical Compounds

• butane-2,3-dione 100%
• Pyruvate 61%
• Enantioselectivity 51%
• Hydrogenation 43%
• Cinchonidine 42%
• Ethyl 42%
• Pyruvate Ester 27%
• Conformational Isomer 25%
• Cinchona Alkaloid 19%
• Pyruvic Acid 18%
• Hydrolysis 18%
• Lactate 14%
• Amount 6%