Patent ID: 8178678

Claim:
A compound of Formula (I) X 2 {circle around (−)}{circle around (+)}R 1 —H 2 C-L 1 Q-L 2 -CH 2 —R 2 {circle around (+)}{circle around (−)}X 1 (I) wherein X 1{circle around (−)} and X 2{circle around (−)} are each independently chloride or bromide; wherein -L 1 -Q-L 2 - is —(CH 2 ) 4 -1,2-phenylene-(CH 2 ) 4 —, —(CH 2 ) 4 -1,3-phenylene-(CH 2 ) 4 —, —(CH 2 ) 3 -1,4-phenylene-(CH 2 ) 3 —, —(CH 2 ) 2 -4,4′-biphenylene-(CH 2 ) 2 —, —(CH 2 ) 2 —C≡C-1,2-phenylene-C≡C—(CH 2 ) 2 —, —(CH 2 ) 2 —C≡C-1,3-phenylene-C≡C—(CH 2 ) 2 —, —CH 2 —C≡C-1,4-phenylene-C≡C—CH 2 —, —C≡C-4,4′-biphenylene-C≡C—, —(CH 2 ) 3 —CH═CH—CH═CH—(CH 2 ) 3 —, or —(CH 2 ) 3 —C≡C—C≡C—(CH 2 ) 3 —; wherein each of R 1 and R 2 are attached to —H 2 C-L 1 -Q-L 2 - Ch 2 — via a quaternized nitrogen and R 1 and R 2 are each independently a six membered nitrogen containing ring as shown in formula (IIA): R 3 is hydrogen or methyl, R 5 is hydrogen, methyl, ethyl, butyl, phenyl, 1-methyl-2-pyrrolidinyl, bromo, hydroxymethyl or hydroxypropyl; R 7 is hydrogen or methyl; R 9 is hydrogen or methyl; and R 11 is hydrogen; or quinoline, isoquinoline, tetrahydroquinoline or tetrahydroisoquinoline.