Error message

  • Deprecated function: Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in include_once() (line 1439 of /home/science2016/public_html/includes/bootstrap.inc).
  • Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 3557 of /home/science2016/public_html/includes/bootstrap.inc).

Oxidation of Unsaturated Aldehydes by Hydrogen Peroxide in Alcohols Medium

Zoryan Pikh and Volodymyr Ivasiv
Affiliation: 
Lviv Polytechnic National University, 12, St. Bandera str., 79013 Lviv, Ukraine
DOI: 
https://doi.org/10.23939/chcht06.01.009
AttachmentSize
PDF icon full_text.pdf126.72 KB
Abstract: 
Kinetic regularities of α-ethylacrolein and crotonic aldehyde oxidation in methanol, allyl alcohol and glycidol were studied. Rate constants of hydrogen peroxide consumption and rate constants of unsaturated acid and its ester accumulation for both aldehydes in different alcohols at various catalyst concentrations and temperatures were calculated. The reaction activation parameters were also calculated. Dependences of ester/acid ratio on the reaction conditions were ascertained. Dependence of the reaction rate and the reaction products composition on aldehyde and alcohol structures was shown. Data of the reaction products composition dependence on the reaction conditions conform to the reaction kinetic parameters.
References: 

[1] Pikh Z., Samaryk V. and Chaykivskyy T.: Dopovidi Nats. Akad. Nauk Ukrainy, 1991, 7, 125.

[2] Pikh Z., Kuptsevych O. and Yemets G.: Dopovidi Nats. Akad, Nauk Ukrainy, 2000, 2, 143.

[3] Pikh Z.: Chem.& Chem. Techn., 2007, 1, 61.

[4] Kuptsevych O. and Pikh Z.: Zh. Org. Khimii, 1996, 32, 817.

[5] Pikh Z.: Dopovidi Nats. Akad. Nauk Ukrainy, 2006, 6, 144.

[6] Pikh Z., Yemets G., Boyko V. and Zhyznevskyi V.: Pratsi Nauk. Tovarystva im. Shevchenka, 2003, 10, 90.