Tricyclic chiral compounds and their use in asymmetric catalysis
The present invention relates to a compound of general Formula (VIII), the compound having a bowl-shaped conformation, its formation and its use in asymmetric catalysis. In Formula (VIII), M is a metal selected from the group consisting of Group 1 to Group 14 metals, lanthanides and actinides; R is one of —COOR 3 , —R 4 COOR 3 , —R 4 CHO, —R 4 COR 3 , —R 4 CONR 5 R 6 , —R 4 COX, —R 4 OP(═O)(OH) 2 , —R 4 P(═O)(OH) 2 ), —R 4 C(O)C(R 3 )CR 5 R 6 and R 4 CO 2 C(R 3 )O, wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are as defined herein.
1. A compound of Formula (VIII)
the compound having a bowl-shaped conformation,
wherein M is a metal selected from the group consisting of Boron, Aluminum, Zinc, Tin, Titanium, Zirconium, Indium, Copper, Iridium, and Lanthanum,
wherein R is —COOR 3 ,
wherein R 3 is hydrogen, or an aliphatic group with a main chain having 1 to about 20 carbon atoms, and
each of R 1 and R 2 are independent from one another and selected from one of hydrogen, an aliphatic group with a main chain having 1 to about 20 carbon atoms and phenyl group.
2. A compound of Formula (IX)
the compound having an S-shaped conformation,
wherein M is a metal selected from the group consisting of Boron, Aluminum, Zinc, Tin, Titanium, Zirconium, Indium, Copper, Iridium, and Lanthanum,
R is —COOR 3 ,
wherein R 3 is hydrogen, or an aliphatic group with a main chain having 1 to about 20 carbon atoms, and
each of R 1 and R 2 are independent from one another and selected from one of hydrogen, an aliphatic group with a main chain having 1 to about 20 carbon atoms and a phenyl group.
3. A method of preparing a compound of Formula (VIII)
wherein M is a metal selected from the group consisting of Boron, Aluminum, Zinc, Tin, Titanium, Zirconium, Indium, Copper, Iridium, and Lanthanum,
R is —COOR 3 ,
wherein R 3 is hydrogen, or an aliphatic group with a main chain having 1 to about 20 carbon atoms, and
each of R 1 and R 2 are independent from one another and selected from one of hydrogen, an aliphatic group with a main chain having 1 to about 20 carbon atoms and a phenyl group;
the method comprising reacting a compound of Formula (VII)
with a metal compound selected from the group consisting of Boron, Aluminum, Zinc, Tin, Titaniuim, Zirconium, Indium, Copper, Iridium, and Lanthanum,
wherein in Formula VII
R is —COOR 3 ,
wherein R 3 is hydrogen, or an aliphatic group with a main chain having 1 to about 20 carbon atoms, and
each of R 1 and R 2 are independent from one another and selected from one of hydrogen, an aliphatic group with a main chain having 1 to about 20 carbon atoms and a phenyl group.
4. A method of preparing a compound of Formula (IX)
wherein M is a metal selected from the group consisting of Boron, Aluminum, Zinc, Tin, Titanium, Zirconium, Indium, Copper, Iridium, and Lanthanum,
R is —COOR 3 ,
wherein R 3 is hydrogen, or an aliphatic group with a main chain having 1 to about 20 carbon atoms, and
each of R 1 and R 2 are independent from one another and selected from one of hydrogen, an aliphatic group with a main chain having 1 to about 20 carbon atoms, and a phenyl group;
the method comprising reacting a compound of Formula (VII)
with a metal compound selected from the group consisting of Boron, Aluminum Zinc, Tin, Titanium, Zirconium, Indium, Copper, Iridium, and Lanthanum,
wherein in Formula VII
R is —COOR 3 , wherein R 3 is hydrogen, or an aliphatic group with a main chain having 1 to about 20 carbon atoms, and
each of R 1 and R 2 are independent from one another and selected from one of hydrogen, an aliphatic group with a main chain having 1 to about 20 carbon atoms and a phenyl group.
5. The method of claim 3 , wherein the metal compound M is selected from the group consisting of BH 3 , B 2 H 6 , B 5 H 9 , B 10 H 14 , AlCl 3 , ZnCl 2 , Zn(OTf) 2 , ZnEt 2 , SnCl 2 , TiCl 4 , Ti(Oi-Pr) 4 , Cp 2 TiCl 2 , ZrCl 4 , Cp 2 ZrCl 2 , InCl 3 , In(OTf) 3 , Cu(OAc) 2 , (IrCp*Cl 2 ) 2 , (Ir(COD)Cl) 2 , LnCl 3 , and LnCp 2 Cl 2 .
6. The method of claim 4 , wherein the metal compound M is selected from the group consisting of BH 3 , B 2 H 6 , B 5 H 9 , B 10 H 14 , AlCl 3 , ZnCl 2 , Zn(OTf) 2 , ZnEt 2 , SnCl 2 , TiCl 4 , Ti(Oi-Pr) 4 , Cp 2 TiCl 2 , ZrCl 4 , Cp 2 ZrCl 2 , InCl 3 , In(OTf) 3 , Cu(OAc) 2 , (IrCp*Cl 2 ) 2 , (Ir(COD)Cl) 2 , LnCl 3 , and LnCp 2 Cl 2 .