C07C233/23

Bicyclic analgesic compounds
09724316 · 2017-08-08 · ·

Analgesic compounds for treatment of pain or fever that include a bicyclopentane moiety linked to an amine, combinations of the compounds with opioid analgesic drugs, and methods for treating pain or fever by administering a compound described herein.

Bicyclic analgesic compounds
09693975 · 2017-07-04 · ·

Analgesic compounds for treatment of pain or fever, comprising a bicyclopentane moiety linked to an amine, combinations of the compounds with opioid analgesic drugs, and methods for treating pain or fever by administering the compounds.

Bicyclic analgesic compounds
09693975 · 2017-07-04 · ·

Analgesic compounds for treatment of pain or fever, comprising a bicyclopentane moiety linked to an amine, combinations of the compounds with opioid analgesic drugs, and methods for treating pain or fever by administering the compounds.

Anti-inflammatory Compounds, Pharmaceutical Compositions, and Treatment Methods
20250059177 · 2025-02-20 ·

Pharmaceutical compounds have anti-inflammatory activity. A pharmaceutical composition may include a therapeutically effective amount of the compound(s) and a pharmaceutically acceptable vehicle. A method of treating a disorder associated with chronic inflammation, such as arthritis, involves administering the pharmaceutical composition to an individual in need thereof.

Anti-inflammatory Compounds, Pharmaceutical Compositions, and Treatment Methods
20250059177 · 2025-02-20 ·

Pharmaceutical compounds have anti-inflammatory activity. A pharmaceutical composition may include a therapeutically effective amount of the compound(s) and a pharmaceutically acceptable vehicle. A method of treating a disorder associated with chronic inflammation, such as arthritis, involves administering the pharmaceutical composition to an individual in need thereof.

Catalyst composition for polymerization of olefins

A catalyst composition comprising a monoester, the compound represented by formula (I) as an internal electron donor, and optionally an additional internal electron donor selected from a group consisting of diesters and diethers, ##STR00001##
wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are hydrogen, straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, R.sub.7 is a straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, and R.sub.8 is an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also described is a process for preparing the polymerization catalyst composition, a polymerization catalyst system comprising the catalyst composition, a co-catalyst and optionally an external electron donor; and use of the catalyst system for polymerization of olefins.

Catalyst composition for polymerization of olefins

A catalyst composition comprising a monoester, the compound represented by formula (I) as an internal electron donor, and optionally an additional internal electron donor selected from a group consisting of diesters and diethers, ##STR00001##
wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are hydrogen, straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, R.sub.7 is a straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, and R.sub.8 is an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also described is a process for preparing the polymerization catalyst composition, a polymerization catalyst system comprising the catalyst composition, a co-catalyst and optionally an external electron donor; and use of the catalyst system for polymerization of olefins.

PROCESS FOR PREPARING A CATALYST COMPONENT FOR POLYMERIZATION OF OLEFINS

The present invention relates to a process for preparing a catalyst component for polymerization of an olefin comprising the steps of: i) contacting a compound R.sup.9.sub.zMgXz.sub.2-z wherein R.sup.9 is aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is in a range of larger than 0 and smaller than 2, with an alkoxy- or aryloky-containing silane compound pound to given first intermediate reaction product; ii) contacting the first intermediate reaction product with at least one activating compound selected from the group formed by electron donors and compounds of formula M(OR.sup.10).sub.v-w(OR.sup.11).sub.w, wherein M can be Ti, Zr, HI, Al or Si, and M(OR.sup.10).sub.v-w(R.sup.11).sub.w, wherein M is Si, each R.sup.10 and R.sup.11, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v being either 3 or 4, and w is smaller than v, to give a second intermediate reaction product; and iii) contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, a 1,3-diether as an internal electron donor, and optionally a diester as an additional internal electron donor.

Process for preparing a catalyst component for polymerization of olefins

A process for preparing a catalyst component, including: contacting a compound R.sup.9.sub.zMgX.sub.2-z wherein R.sup.9 is aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product; contacting the first intermediate reaction product with at least one activating compound selected electron donors, compounds of formula M(OR.sup.10).sub.v-w(OR.sup.11).sub.w, wherein M is Ti, Zr, Hf, Al or Si, and M(OR.sup.10).sub.v-w(R.sup.11).sub.w wherein M is Si, each R.sup.10 and R.sup.11, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v is 3 or 4, and w is less than v, to give a second intermediate reaction product; and contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, and a 1,3-diether as an internal electron donor.

Process for preparing a catalyst component for polymerization of olefins

A process for preparing a catalyst component, including: contacting a compound R.sup.9.sub.zMgX.sub.2-z wherein R.sup.9 is aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product; contacting the first intermediate reaction product with at least one activating compound selected electron donors, compounds of formula M(OR.sup.10).sub.v-w(OR.sup.11).sub.w, wherein M is Ti, Zr, Hf, Al or Si, and M(OR.sup.10).sub.v-w(R.sup.11).sub.w wherein M is Si, each R.sup.10 and R.sup.11, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v is 3 or 4, and w is less than v, to give a second intermediate reaction product; and contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, and a 1,3-diether as an internal electron donor.