Interference No. 102,408
1 2
in which R and R independently of one another represent
H-(CH ) -(O-(CH ) ) -O, where a=0 to 4, b=1 to 4 and c=1 to 7,
2 a 2 bc
an alkoxy or arylalkoxy group with 1 to 20 carbon atoms, an
alkane- or aralkanesulfonyloxy group with 1 to 7 carbon atoms
1 2
or a tetrahydropyranyloxy radical, or R and R together
represent an oxygen atom bonded in
an ether-like manner or an acetal
or ketal radical
3 4
where R and R independently of one another represent a
hydrogen atom, an alkyl group with 1 to 20 carbon atoms or a
1 2
phenyl group, A and A are identical and represent a hydroxyl
group, halide, nitrate, acetate, trifluoroacetate,
trifluorosulfonate, perchlorate or sulfate, or A represents1
3
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Last modified: November 3, 2007