Tetrahedron Letters p. 5355 - 5358 (1986)
Update date:2022-07-30
Topics:
Kauffmann, Thomas
Abel, Thomas
Beirich, Christoph
Kieper, Gudrun
Pahde, Claudia
et al.
Carboxylic acid chlorides proved to be surprisingly resistent towards alkyl transition metal complexes and molybdenum complexes which are able to methylate or carbonylolefinate aldehydes.In presence of carboxylic acid chlorides methylation of aldehydes was possible with Cl2CrMe(THF)3 and carbonylolefination with ClMo(O)=CH2 or Cl2Mo(Me)=CH2 as well.No methylation occured by reacting Cl2CrMe(THF)3 with carboxylic acid anhydrides.
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