Separation of isomers of phenols and phenolic ethers

Details Separation of isomers of phenols and phenolic ethers Separation of isomers of phenols and phenolic ethers

1976-09-01

1977-11-15

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4524

Patent

active

040585662

ABSTRACT:
Mixtures of isomeric ortho and para alkylated phenols or phenolic ethers may be separated without extensive distillation by treating a mixture of the isomers with a polyalkylene polyamine such as hexamethylenetetramine in the presence of a protonic solvent at sub-ambient temperatures.

REFERENCES:
adams et al., Organic Reactions, vol. VIII, (1954), pp. 199-201, 205-215.

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