Bisindenyl derivative, and a process for the preparation thereof

Claim 2

A bisindenyl derivative of the formula I ##STR5## in which M 1 and M 3 are silicon or germanium wherein M 1 and M 3 can be identical or different, m is zero or 1, n=zero when m=zero and n=zero or 1 when m=1, R 1 , R 2 , R 3 and R 4 are identical or different and denote a hydrogen atom, a C 1 -C 30 -alkyl group, a C 2 -C 10 -alkenyl group, a C 6 -C 10 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryloxy group, a halogenated C 1 -C 20 -alkyl group a halogenated C 6 -C 10 -aryl group or a halogen atom, or R 1 , R 2 , R 3 and R 4 , together with the atom connecting them, form a ring, R 5 denotes a C 1 -C 8 -alkylene group, a C 6 -C 10 -arylene group, a C 7 -C 40 -arylalkylene group, a C 7 -C 40 -alkylarylene group, an --O[Si(CH 3 ) 2 --O] p --group in which p denotes an integer from 1 to 5, or a chalcogen atom, and R 6 and R 7 are identical or different and denote an, unsubstituted or substituted indenyl radical, with the exception of 1,1'-(dimethylsilanediyl)-bisindenyl.

Claim 3

A process for the preparation of a bisindenyl derivative of the formula I ##STR6## in which M 1 and M 3 are silicon or germanium wherein M 1 and M 3 can be identical or different, m is zero or 1, n=zero when m=zero and n=zero or 1 when m=1, R 1 , R 2 , R 3 and R 4 are identical or different and denote a hydrogen atom, a C 1 -C 30 -alkyl group, a C 2 -C 10 -alkenyl group, a C 6 -C 10 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryloxy group, a halogenated C 1 -C 20 -alkyl group, a halogenated C 6 -C 10 -aryl group or a halogen atom, or R 1 , R 2 , R 3 and R 4 , together with the atom connecting them, form a ring, R 5 denotes a C 1 -C 8 -alkylene group, a C 6 -C 10 -arylene group, a C 7 -C 40 -aralkylene group, a C 7 -C 40 -alkylarylene group, an --O[Si(CH 3 ) 2 --O] p --group in which p denotes an integer from 1 to 5, or a chalcogen atom, and R 6 and R 7 are identical or different and denote an unsubstituted or substituted indenyl radical, by reacting an indenyl (alkali metal) compound with a dichlorosilyl compound, which comprises introducing a compound of the formula II ##STR7## in which M 1 , M 3 , R 1 , R 2 , R 3 , R 4 , m and n have the abovementioned meanings and X is a halogen atom, in solution or suspension and adding the solution of the compound of the formula III or IV R.sup.6 -M.sup.2 (III), R.sup.7 -M.sup.2 (IV), in which R 6 and R 7 have the abovementioned meaning and M 2 is an alkali metal atom, at a temperature of from -40° to 100° C. over the course of 1 to 100 hours to the solution or suspension of compound II.

Claim 4

A process for the preparation of a bisindenyl derivative of the formula I ##STR6## in which M 1 and M 3 are silicon or germanium wherein M 1 and M 3 can be identical or different, m is zero or 1, n=zero when m=zero and n=zero or 1 when m=1, R 1 , R 2 , R 3 and R 4 are identical or different and denote a hydrogen atom, a C 1 -C 30 -alkyl group, a C 2 -C 10 -alkenyl group, a C 6 -C 10 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryloxy group, a halogenated C 1 -C 20 -alkyl group, a halogenated C 6 -C 10 -aryl group or a halogen atom, or R 1 , R 2 , R 3 and R 4 , together with the atom connecting them, form a ring, R 5 denotes a C 1 -C 8 -alkylene group, a C 6 -C 10 -arylene group, a C 7 -C 40 -aralkylene group, a C 7 -C 40 -alkylarylene group, an --O[Si(CH 3 ) 2 --O] p --group in which p denotes an integer from 1 to 5, or a chalcogen atom, and R 6 and R 7 are identical or different and denote an unsubstituted or substituted indenyl radical, by reacting an indenyl (alkali metal) compound with a dichlorosilyl compound, which comprises introducing a compound of the formula II ##STR7## in which M 1 , M 3 , R 1 , R 2 , R 3 , R 4 , m and n have the abovementioned meanings and X is a halogen atom, in solution or suspension and adding the solution of the compound of the formula III or IV R.sup.6 -M.sup.2 (III), R.sup.7 -M.sup.2 (IV), in which R 6 and R 7 have the abovementioned meaning and M 2 is an alkali metal atom, at a temperature of from -40° to 100° C. over the course of 1 to 100 hours to the solution or suspension of compound II.

Claim 5

The bisindenyl derivative of claim 1, wherein said R 1 , R 2 , R 3 , and R 4 denote a C 1 -C 2 -alkyl group, a C 2 -alkenyl group, a C 6 -aryl group, a C 7 -aryl alkyl, a C 7 -C 9 -alkyl aryl group, a C 8 -arylalkenyl group, a C 1 -C 3 -alkoxy group, a C 6 -aryloxy group, a halogenated C 1 -C 3 -alkyl group, a perfluoroalkyl group, a halogenated C 6 -aryl group, a perfluoroaryl group, or a chlorine.

Claim 6

The bisindenyl derivative of claim 1, wherein said R 1 , R 2 , R 3 , and R 4 form a 4-6 atom ring.

Claim 7

The bisindenyl derivative of claim 1, wherein R 1 , R 2 , R 3 , and R 4 denote methyl, ethyl, phenyl, or vinyl.

Claim 8

The bisindenyl derivative of claim 1 wherein R 5 is a C 2 -alkylene group, a C 6 -arylene group, a C 7 -C 9 -aryl alkylene group, a C 7 -C 9 -alkylarylene group, or oxygen.

Claim 9

The bisindenyl derivative of claim 1, wherein said R 6 and R 7 are identical and are indene or 1-methylidene.

Claim 10

The process of claim 2, wherein X is chlorine.

Claim 11

The process of claim 2, wherein M 2 is potassium or lithium.

Claim 12

The process of claim 2, wherein said reaction temperature ranges from 0° C. to 50° C.

Claim 13

The process of claim 2, wherein said reaction time ranges from 4 to 20 hours.

Claim 14

A process for the preparation of a bisindenyl derivative of the formula I ##STR8## in which M 1 and M 3 are silicon or germanium wherein M 1 and M 3 can be identical or different, m is zero or 1, n=zero when m=zero and n=zero or 1 when m=1, R 1 , R 2 , R 3 and R 4 are identical or different and denote a hydrogen atom, a C 1 -C 30 -alkyl group, a C 2 -C 10 -alkenyl group, a C 6 -C 10 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryloxy group, a halogenated C 1 -C 20 -alkyl group, a halogenated C 6 -C 10 -aryl group or a halogen atom, or R 1 , R 2 , R 3 and R 4 , together with the atom connecting them, form a ring, R 5 denotes a C 1 -C 8 -alkylene group, a C 6 -C 10 -arylene group, a C 7 -C 40 -arylalkylene group, a C 7 -C 40 -alkylarylene group, an --O[Si(CH 3 ) 2 --O] p --group in which p denotes an integer from 1 to 5, or a chalcogen atom, and R 6 and R 7 are identical or different and denote an unsubstituted or substituted indenyl radical, by reacting an indenyl (alkali metal) compound with a compound of formula III or IV, which comprises introducing a compound of the formula II ##STR9## in which M 1 , M 3 , R 1 , R 2 , R 3 , R 4 , m and n have the abovementioned meanings and X is a halogen atom, in solution or suspension and adding the solution of the compound of the formula III or IV R.sup.6 -M.sup.2 (III), R.sup.7 -M.sup.2 (IV), in which R 6 and R 7 have the abovementioned meaning and M 2 is an alkali metal atom, at a temperature of from -40° to 100° C. over the course of 1 to 100 hours to the solution or suspension of compound II.

Claim 15

A process for the preparation of a bisindenyl derivative of the formula I ##STR8## in which M 1 and M 3 are silicon or germanium wherein M 1 and M 3 can be identical or different, m is zero or 1, n=zero when m=zero and n=zero or 1 when m=1, R 1 , R 2 , R 3 and R 4 are identical or different and denote a hydrogen atom, a C 1 -C 30 -alkyl group, a C 2 -C 10 -alkenyl group, a C 6 -C 10 -aryl group, a C 7 -C 40 -arylalkyl group, a C 7 -C 40 -alkylaryl group, a C 8 -C 40 -arylalkenyl group, a C 1 -C 10 -alkoxy group, a C 6 -C 10 -aryloxy group, a halogenated C 1 -C 20 -alkyl group, a halogenated C 6 -C 10 -aryl group or a halogen atom, or R 1 , R 2 , R 3 and R 4 , together with the atom connecting them, form a ring, R 5 denotes a C 1 -C 8 -alkylene group, a C 6 -C 10 -arylene group, a C 7 -C 40 -arylalkylene group, a C 7 -C 40 -alkylarylene group, an --O[Si(CH 3 ) 2 --O] p --group in which p denotes an integer from 1 to 5, or a chalcogen atom, and R 6 and R 7 are identical or different and denote an unsubstituted or substituted indenyl radical, by reacting an indenyl (alkali metal) compound with a compound of formula III or IV, which comprises introducing a compound of the formula II ##STR9## in which M 1 , M 3 , R 1 , R 2 , R 3 , R 4 , m and n have the abovementioned meanings and X is a halogen atom, in solution or suspension and adding the solution of the compound of the formula III or IV R.sup.6 -M.sup.2 (III), R.sup.7 -M.sup.2 (IV), in which R 6 and R 7 have the abovementioned meaning and M 2 is an alkali metal atom, at a temperature of from -40° to 100° C. over the course of 1 to 100 hours to the solution or suspension of compound II.