Method of isolating trans-1,1,4,4-tetraalkyl-2-butene-1,4-diols

Details Method of isolating trans-1,1,4,4-tetraalkyl-2-butene-1,4-diols Method of isolating trans-1,1,4,4-tetraalkyl-2-butene-1,4-diols

1990-06-13

1991-10-01

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

2041579, C07C 2986, C07C 3303, C07C 33035

Patent

active

050535617

ABSTRACT:
A method of isolating trans-1,1,4,4-tetraalkyl-2-butene-1,4-diols of formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and denote C.sub.1 - to C.sub.5 -alkyl, from mixtures thereof with their cis-isomers, wherein the trans-isomer is separated from the cis-isomer by liquid-liquid extraction.

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