3965-44-4

Upstream product

• 107-18-6 allyl alcohol 
• 123-15-9 2-methylvaleraldehyde 
• 107-02-8 acrolein 

Downstream Products

• 123-38-6 propionaldehyde 
• 20443-68-9 butenyl tosylate 

Relevant academic research and scientific papers

Understanding Ligand-Directed Heterogeneous Catalysis: When the Dynamically Changing Nature of the Ligand Layer Controls the Hydrogenation Selectivity

We present a mechanistic study on the formation and dynamic changes of a ligand-based heterogeneous Pd catalyst for chemoselective hydrogenation of α,β-unsaturated aldehyde acrolein. Deposition of allyl cyanide as a precursor of a ligand layer renders Pd highly active and close to 100 % selective toward propenol formation by promoting acrolein adsorption in a desired configuration via the C=O end. Employing a combination of real-space microscopic and in-operando spectroscopic surface-sensitive techniques, we show that an ordered active ligand layer is formed under operational conditions, consisting of stable N-butylimine species. In a competing process, unstable amine species evolve on the surface, which desorb in the course of the reaction. Obtained atomistic-level insights into the formation and dynamic evolution of the active ligand layer under operational conditions provide important input required for controlling chemoselectivity by purposeful surface functionalization.

ISOMERIZATION OF ALLYL ALCOHOLS WITH RHODIUM(I) COMPLEXES

The results of the isomerization reaction of some allyl alcohols (2-propen-1-ol, 3-buten-2-ol and 1-octen-3-ol) with the Rh(I) complexes HRh(CO)(PPh3)3, HRh4, Rh4ClO4 are presented.The mechanism of the Rh3-catalyzed isomerization is discussed.

Kinetics and Mechanism of the Decomposition of the Molecular Ions of Pentanal and its Monomethyl-substituted Homologues in the Picosecond to Microsecond Time Interval following Field Ionization

The kinetics of decomposition of pentanal and its monomethyl homologues, including hexanal, have been studied as a function of time following field ionisation (FI).With the aid of these results and other energetic measurements, the McLafferty rearrangement in the case of hexanal is shown to occur by a stepwise mechanism.