Pt-xanthene-iodine complex and Pt-xanthene-bromine complex
Pt-xanthene-iodine complex and Pt-xanthene-bromine complex, and use thereof for catalysis of a hydroformylation reaction.
1. A complex comprising:
a) Pt;
b) a ligand conforming to the formula (I):
where R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are selected from: —H, —(C 1 -C 12 )-alkyl or —(C 6 -C 20 )-aryl, and
R 9 and R 10 are selected from: —(C 1 -C 12 )-alkyl or —(C 6 -C 20 )-aryl, and, if R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are —(C 6 -C 20 )-aryl, the aryl ring may have substituents selected from: —(C 1 -C 12 )-alkyl or —O—(C 1 -C 12 )-alkyl;
c) an iodine ligand or bromine ligand.
2. The complex according to claim 1 ,
where R 2 , R 3 , R 5 , R 6 , R 7 and R 8 are selected from: —(C 1 -C 12 )-alkyl or —(C 6 -C 20 )-aryl.
3. The complex according to claim 1
where R 5 , R 6 , R 7 and R 8 are —(C 6 -C 20 )-aryl.
4. The complex according to claim 1 ,
where R 2 and R 3 are —(C 1 -C 12 )-alkyl.
5. The complex according to claim 1 ,
where R 1 and R 4 are —H.
6. The complex according to claim 1 ,
where R 9 and R 10 are —(C 1 -C 12 )-alkyl.
7. The complex according to claim 1 ,
wherein the ligand conforming to the formula (I) has the structure (1):
8. The complex according to claim 1 ,
wherein the complex has exactly one ligand conforming to the formula (I).
9. The complex according to claim 1 ,
wherein the complex has at least two iodine ligands.
10. The complex according to claim 9 ,
wherein the complex has exactly two iodine ligands.
11. The complex according to claim 1 ,
wherein the complex has at least two bromine ligands.
12. The complex according to claim 11 ,
wherein the complex has exactly two bromine ligands.