Bifunctional compounds
A compound having the formula: wherein X is S, SO or SO 2 ; one of R 1 , R 2 , and R 3 is O and the others of R 1 , R 2 and R 3 are independently, the same or different, CH 2 , or CR 13 wherein, R 13 is an alkyl group, an alkenyl group, an alkynyl group, a trialkylsilyl group, or —(CH 2 ) m OR 15 , wherein R 15 is an alkyl group or an aryl group and m is an integer in the range of 1 to 10, and one of R 5 , R 6 , and R 7 is O and the others of R 5 , R 6 and R 7 are independently, the same or different, CH 2 , or CR 14 wherein, R 14 is an alkyl group, an alkenyl group, an alkynyl group, a trialkylsilyl group, or —(CH 2 ) n OR 16 , wherein R 16 is an alkyl group or an aryl group and n is an integer in the range of 1 to 10; R 4 and R 8 are independently, the same or different, H, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heteroaryl group, a C 1 -C 3 alkoxy group, an aryloxy group, or —(CH 2 ) q OR 17 , wherein R 17 is an alkyl group or an aryl group and q is an integer in the range of 1 to 10, provided that R 4 is not a C 1 -C 3 alkoxy group or an aryloxy group when R 1 or R 3 is O and R 8 is not a C 1 -C 3 alkoxy group or an aryloxy group when R 5 or R 7 is O; R 9 , R 10 , R 11 and R 12 are independently, the same or different, H, an alkyl group, an alkenyl group, an alkynyl group, or an aryl group.
1. A compound having the formula:
wherein X is S, SO or SO 2 ;
one of R 1 , R 2 , and R 3 is O and the others of R 1 , R 2 and R 3 are independently, the same or different, CH 2 , or CR 13 wherein, R 13 is an alkyl group, an alkenyl group, an alkynyl group, a trialkylsilyl group, or —(CH 2 ) m OR 15 , wherein R 15 is an alkyl group or an aryl group and m is an integer in the range of 1 to 10, and one of R 5 , R 6 , and R 7 is O and the others of R 5 , R 6 and R 7 are independently, the same or different, CH 2 , or CR 14 wherein, R 14 is an alkyl group, an alkenyl group, an alkynyl group, a trialkylsilyl group, or —(CH 2 ) n OR 16 , wherein R 16 is an alkyl group or an aryl group and n is an integer in the range of 1 to 10;
R 4 and R 8 are independently, the same or different, H, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heteroaryl group, a C 1 -C 3 alkoxy group, an aryloxy group, or —(CH 2 ) q OR 17 , wherein R 17 is an alkyl group or an aryl group and q is an integer in the range of 1 to 10, provided that R 4 is not a C 1 -C 3 alkoxy group or an aryloxy group when R 1 or R 3 is O and R 8 is not a C 1 -C 3 alkoxy group or an aryloxy group when R 5 or R 7 is O;
R 9 , R 10 , R 11 and R 12 are independently, the same or different, H, an alkyl group, an alkenyl group, an alkynyl group, or an aryl group.
2. The compound of claim 1 wherein R 13 is a C 1 -C 3 alkyl group, a C 2 -C 3 alkenyl group, a C 2 -C 3 alkynyl group, or a trialkylsilyl group and R 14 is a C 1 -C 3 alkyl group, a C 2 -C 3 alkenyl group, a C 2 -C 3 alkynyl group, or a trialkylsilyl group.
3. The compound of claim 1 wherein one of R 9 and R 10 is H and one of R 11 and R 12 is H.
4. The compound of claim 1 wherein one of R 1 , R 2 , and R 3 is O and the others of R 1 , R 2 and R 3 are CH 2 , and one of R 5 , R 6 , and R 7 is O and the others of R 5 , R 6 and R 7 are CH 2 .
5. The compound of claim 1 wherein X is SO.
6. The compound of claim 1 wherein the compound has the formula:
7. The compound of claim 1 wherein R 2 and R 6 are each O; and R 1 , R 3 , R 5 , R 7 are each CH 2 .
8. The compound of claim 1 wherein R 2 and R 6 are each O; R 1 , R 3 , R 5 , R 7 are each CH 2 ; R 4 and R 8 are each C 1 -C 10 alkyl such as a methyl, ethyl, propyl, isopropyl, butyl, iso-butyl, sec-butyl, pentyl, 3-pentyl, or hexyl; and R 9 -R 12 are each H.
9. The compound of claim 1 wherein R 9 -R 12 are each H.
10. The compound of claim 1 wherein X is SO; R 2 and R 6 are each O; R 1 , R 3 , R 5 , R 7 are each CH 2 ; R 4 and R 8 are each C 1 -C 10 alkyl such as a methyl, ethyl, propyl, isopropyl, butyl, iso-butyl, sec-butyl, pentyl, 3-pentyl, or hexyl; and R 9 -R 12 are each H.
11. The compound of claim 1 wherein the compound has the formula
12. A composition comprising the compound of claim 1 , and a water soluble cosolvent.