Abstract
The methods of synthesis of acrolein and its α-alkyl-substituted derivatives are examined: (a) catalytic oxidation of propene, isobutene, propane, isobutane, propyl and tert-butyl alcohols, tert-butyl alkanoates, propionaldehyde, isobutyraldehyde, and allyl alcohol and its ethers: (b) condensation of formaldehyde with aliphatic aldehydes by the Mannich reactions and also in the vapour phase over heterogeneous catalysts. Both general methods (the Mannich reaction, ipso-substitution of a α-halogen in the acrylic system, and interaction of 1-brom-2-ethoxycyclopropyllithium with electrophiles) and various special methods are used in the synthesis of the α, β-unsaturated aldehydes with functional-group-substitutents. The bibliography includes 323 references.
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