Recyclable boron trifluoride catalyst and method of using same

Details Recyclable boron trifluoride catalyst and method of using same Recyclable boron trifluoride catalyst and method of using same

1978-10-16

1980-06-24

Crasanakis, George

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585525, C07C 356, C07C 318

Patent

active

042096545

ABSTRACT:
When saturated with boron trifluoride, certain polyhydric alcohols form adducts which catalyze reactions for which boron trifluoride is catalytic. The adduct is recovered from the reaction mixture and recycled, greatly reducing boron and fluoride values in the product and in any effluent. Examples include propylation of toluene in the presence of a recycled adduct of boron trifluoride with mannitol or sorbitol.

REFERENCES:
patent: 2425839 (1947-08-01), Schulze et al.
patent: 2836634 (1958-05-01), Lee et al.
patent: 3780128 (1973-12-01), Shubkin
patent: 3855342 (1974-12-01), Huang et al.
patent: 4032591 (1977-06-01), Cupples et al.

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