Dihydrofuran preparation

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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252431R, 252431C, C07D30708

Patent

active

039324680

ABSTRACT:
A process for preparing a substituted or unsubstituted dihydrofuran from a substituted or unsubstituted butadiene monoxide which comprises contacting the butadiene monoxide with a catalyst comprising a hydrogen halide selected from the group consisting of hydrogen iodide or bromide and a homogeneous transition metal compound in an organic solvent under conditions effective to convert the butadiene monoxide to the dihydrofuran and wherein said transition metal compound is effective to accelerate said conversion. Preferably the transition metal is iron, manganese, cobalt, molybdenum, vanadium, copper, or nickel.

REFERENCES:
patent: 3812158 (1974-05-01), Besozzi et al.

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