Thermally reversible organic solvent gels

摘要

Stable, thermally reversible gels of organic solvents and a gelling agent having the formulaPPR.sub.1 --(CH.sub.2). sub.n --CO. sub.2 --R.sub.2PPwherein R.sub.1 is an anthracene analogue or substituted anthracene analogue, n is zero or a whole number from 2 to 20, and R.sub.2 is cholesteryl and cholestanyl or a derivative of cholesteryl or cholestanyl, processes for producing same, and novel anthracene analogue cholesteryl and cholestanyl esters and derivatives.