Distinguishing aliphatic carboxylic acids and anhydrides by proton magnetic resonance spectrometry

1969 ◽  
Vol 41 (8) ◽  
pp. 1103-1104 ◽  
Author(s):  
James Roger. Parker
Keyword(s):  
Magnetic Resonance ◽  
Carboxylic Acids ◽  
Proton Magnetic Resonance ◽  
Magnetic Resonance Spectrometry ◽  
Aliphatic Carboxylic Acids ◽  
Proton Magnetic Resonance Spectrometry

Organoaluminium compounds. XII. A kinetic study of alkyl group exchange between trimethylaluminium and dimethylethylaluminium etherates

1967 ◽  
Vol 20 (12) ◽  
pp. 2641 ◽  
Author(s):  
NS Ham ◽  
EA Jeffery ◽  
T Mole ◽  
JK Saunders
Keyword(s):  
Magnetic Resonance ◽  
Kinetic Study ◽  
Alkyl Group ◽  
Proton Magnetic Resonance ◽  
Aluminium Concentration ◽  
Alkyl Groups ◽  
Magnetic Resonance Spectrometry ◽  
Proton Magnetic Resonance Spectrometry

Proton magnetic resonance spectrometry has been used to investigate the exchange of alkyl groups between trimethylaluminium etherate and dimethylethyl-aluminium etherate in toluene in the presence of ether. The dependence of rate upon concentration of ether, total aluminium concentration, and temperature leads to the conclusion that the organoaluminium compounds undergo exchange while still complexed with ether.

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