Preparation of aldehydes from unsaturated terminal epoxides

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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C07C 4567, C07C 4570

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049259865

ABSTRACT:
Crotonaldehyde is produced by contacting 3,4-epoxybutene, i.e. butadiene monoxide, with a halide-containing catalyst such as a hydrogen halide or metal halide. The process is preferably conducted in the vapor phase. Other unsaturated aldehydes can be produced from other unsaturated terminal epoxides.

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