Acid and base stable diphenylmethanol derivatives and methods of use
View Patent ↗The invention provides compounds that are useful as linkers for solid phase synthesis and as protecting groups, and methods for producing and using the same.
1. A compound of the formula:
wherein
each of R 1 , R 2 , R 3 , and R 4 is independently hydrogen, lower alkyl, or halide, provided at least one of R 1 , R 2 , R 3 , and R 4 is halide;
R 5 is hydrogen;
each of X 1 and X 2 is independently —OR 6 , —NR 7 R 8 , or —SR 9 ;
each R 6 is independently hydrogen, alkyl, carbonyl, or a hydroxy protecting group;
each R 7 is independently hydrogen or alkyl;
each R 8 is independently hydrogen, alkyl, or a nitrogen protecting group; and
each R 9 is independently hydrogen, alkyl, or a thiol protecting group.
2. The compound according to claim 1 , wherein at least two of R 1 , R 2 , R 3 , and R 4 are halides.
3. The compound according to claim 1 , wherein at least three of R 1 , R 2 , R 3 , and R 4 are halides.
4. The compound according to claim 1 , wherein R 1 , R 2 , R 3 , and R 4 are halides.
5. The compound according to claim 1 , wherein each halide is independently selected from the group consisting of Cl, Br, and I.
6. The compound according to claim 1 , wherein halide is Cl.
7. The compound according to claim 1 , wherein X 1 is —OR 6 , and R 6 is as defined in claim 1 .
8. The compound according to claim 7 , wherein R 6 is hydrogen or carbonyl.
9. The compound according to claim 1 , wherein X 2 is —OR 6 , and R 6 is as defined in claim 1 .
10. The compound according to claim 9 , wherein R 6 is alkyl.
11. A solid-substrate of the formula:
wherein
n is an integer from 1 to about 20;
each of R 1 , R 2 , R 3 , and R 4 is independently hydrogen, lower alkyl, or halide, provided at least one of R 1 , R 2 , R 3 , and R 4 is halide;
R 5 is hydrogen or alkyl;
X 1 is —OR 6 , —NR 7 R 8 , or —SR 9 ;
each of X 2 and Y 2 is independently —O—, —NR 8 —, or —S—;
R 6 is hydrogen, alkyl, carbonyl, or a hydroxy protecting group;
R 7 is hydrogen or alkyl;
each R 8 is independently hydrogen, alkyl, or a nitrogen protecting group;
R 9 is hydrogen, alkyl, or a thiol protecting group;
Y 1 is O, NR 10 , or S;
R 10 is hydrogen, alkyl, —OR 11 , or —NR 12 ;
R 11 and R 12 are hydrogen or alkyl; and
Z is a solid substrate.
12. The solid-substrate according to claim 11 , wherein R 1 , R 2 , R 3 , and R 4 are halides.
13. The solid-substrate according to claim 12 , wherein each halide is independently selected from the group consisting of Cl, Br, and I.
14. The solid-substrate according to claim 12 , wherein halide is Cl.
15. The solid-substrate according to claim 11 , wherein R 5 is hydrogen.
16. The solid-substrate according to claim 11 , wherein X 1 is —OR 6 , and R 6 is that defined in claim 11 .
17. The solid-substrate according to claim 16 , wherein R 6 is hydrogen or carbonyl.
18. The solid-substrate according to claim 11 , wherein X 2 is —O—.
19. The solid-substrate according to claim 11 , wherein Y 1 is O.
20. The solid-substrate according to claim 11 , wherein Y 2 is —NR 8 —, and R 8 is as defined in claim 11 .
21. A method of performing solid-phase synthesis comprising
(a) contacting a solid-substrate of the formula:
with a first reactive reagent comprising a first corresponding functional group chemically reactive with X 1 of the solid-substrate under conditions sufficient to react the corresponding functional group with X 1 , thus providing a solid-substrate bound product;
(b) optionally reacting the solid-substrate bound product and another reactive reagent comprising another corresponding functional group under conditions sufficient to produce a growing polymeric chain; and
(c) repeating said step (b) until a desired product is obtained,
wherein
n is an integer from 1 to about 20;
each of R 1 , R 2 , R 3 , and R 4 is independently hydrogen, lower alkyl, or halide, provided at least one of R 1 , R 2 , R 3 , and R 4 is halide;
R 5 is hydrogen or alkyl;
X 1 is —OH, —NHR 8 , or —SH;
each of X 2 and Y 2 is independently —O—, —NR 8 —, or —S—;
each R 8 is independently hydrogen, alkyl, or a nitrogen protecting group;
Y 1 is O, NR 10 , or S;
R 10 is hydrogen, alkyl, —OR 11 , or —NR 12 ;
R 11 and R 12 are hydrogen or alkyl; and
Z is a solid substrate.
22. The method of claim 21 , wherein the reactive reagent is selected from the group consisting of a nucleotide, saccharide, amino acid, and a derivative thereof.
23. The method of claim 21 , wherein Z is a bead, wafer, film, disc or plate.
24. The method of claim 23 , wherein Z comprises a material selected from organosilane-treated glass, organosilane-treated silicon, polypropylene, polyethylene, and polystyrene.
25. A method for producing a compound of the formula:
said method comprising:
contacting an acyl halide compound of the formula:
with an aromatic compound of the formula:
in the presence of a coupling catalyst under conditions sufficient to produce the compound of Formula IA,
wherein
each of R 1 , R 2 , R 3 , and R 4 is independently hydrogen, lower alkyl, or halide, provided at least one of R 1 , R 2 , R 3 , and R 4 is halide;
X is a CI
Y is O;
each of X 1 and X 2 is independently —OR 6 , —NR 7 R 8 , or —SR 9 ;
each R 6 is independently hydrogen, alkyl, carbonyl, or a hydroxy protecting group;
each R 7 is independently hydrogen or alkyl;
each R 8 is independently hydrogen, alkyl, or a nitrogen protecting group; and
each R 9 is independently hydrogen, alkyl, or a thiol protecting group.