Provided is an alicyclic epoxy compound product used in applications for forming a cured product excellent in transparency and heat resistance. An alicyclic epoxy compound product of the present disclosure has a purity of a compound represented by Formula (1) of 85 wt. % or greater; and a total content of a compound represented by Formula (a) and a compound represented by Formula (b) of 0.5 wt. % or less, where X represents a single bond or a linking group. The alicyclic epoxy compound product of the present disclosure can be produced through subjecting a compound represented by Formula (1″) to a dehydration reaction to obtain a compound represented by Formula (1′), and reacting the resulting compound represented by Formula (1′) with an organic peracid.

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The present invention provides a process for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound of the following general formula (3), wherein R represents a linear or branched alkyl group having 1 to 4 carbon atoms, the process comprising subjecting a haloacetaldehyde alkyl 2,3-dimethyl-2-cyclopentenyl acetal compound of the following general formula (1), wherein R is as defined above, and Y represents a halogen atom, to a dehydrohalogenation reaction in the presence of a base, followed by a rearrangement reaction to obtain a (1,2-dimethyl-2-cyclopentenyl)acetate compound of the following general formula (2), wherein R is as defined above, and subjecting the (1,2-dimethyl-2-cyclopentenyl)acetate compound (2) to an epoxidation reaction, followed by an isomerization reaction and then a methylenation reaction to obtain the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound of the following general formula (3). The present invention also provides a process for preparing (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde of the following formula (4), the process comprising the aforesaid process for preparing the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound (3), and converting an alkoxycarbonylmethyl group (i.e., —CH.sub.2C(═O)OR) of the (1,2-dimethyl-3-methylenecyclopentyl)acetate compound (3) to a formylmethyl group (i.e., —CH.sub.2CHO) to obtain (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde (4). ##STR00001##

Method of making a second olefm using a first olefin, comprising steps (A) and (B): (A) performing a metathesis reaction with the first olefm in the presence of a metal complex configured to catalyse said metathesis reaction; (B) epoxidizing an olefin contained in the reaction mixture obtained in step (A) to form an epoxide; and deoxygenizing said epoxide to form said second olefin.

Method of making a second olefm using a first olefin, comprising steps (A) and (B): (A) performing a metathesis reaction with the first olefm in the presence of a metal complex configured to catalyse said metathesis reaction; (B) epoxidizing an olefin contained in the reaction mixture obtained in step (A) to form an epoxide; and deoxygenizing said epoxide to form said second olefin.

Method of making a second olefin using a first olefin, comprising steps (A) and (B): (A) performing a metathesis reaction with the first olefin in the presence of a metal complex configured to catalyse said metathesis reaction; (B) epoxidizing an olefin contained in the reaction mixture obtained in step (A) to form an epoxide; and deoxygenizing said epoxide to form said second olefin.

Method of making a second olefin using a first olefin, comprising steps (A) and (B): (A) performing a metathesis reaction with the first olefin in the presence of a metal complex configured to catalyse said metathesis reaction; (B) epoxidizing an olefin contained in the reaction mixture obtained in step (A) to form an epoxide; and deoxygenizing said epoxide to form said second olefin.

Epoxide functionalized polyaromatic feedstocks and processes for their preparation are described. The processes involve functionalizing polyaromatic hydrocarbon molecules and/or polyheterocyclic molecules present in petroleum or petrochemical streams with epoxide. The epoxide functionalized poly aromatic feedstock can be further treated so as to effect oligomerization or polymerization. The oligomers or polymers may be thermoplastic or thermoset materials and may find use in, for example, infrastructure applications, composites, fillers, fire retardants and 3-D printing materials.

Epoxide functionalized polyaromatic feedstocks and processes for their preparation are described. The processes involve functionalizing polyaromatic hydrocarbon molecules and/or polyheterocyclic molecules present in petroleum or petrochemical streams with epoxide. The epoxide functionalized poly aromatic feedstock can be further treated so as to effect oligomerization or polymerization. The oligomers or polymers may be thermoplastic or thermoset materials and may find use in, for example, infrastructure applications, composites, fillers, fire retardants and 3-D printing materials.

A preparation method for a propylene epoxidation catalyst: pre-hydrolyzing a silicon source, adding a titanium source and reacting to form a sol, atomizing the sol and then spraying it into liquid ammonia for molding, implementing pore broadening, and performing drying, calcination, and silanization treatment to obtain a Ti—SiO.sub.2 composite oxide catalyst. The present catalyst can be used in the chemical process of preparing propylene oxide by epoxidation of propylene, the average propylene oxide selectivity being up to 97.5%, having prospects for industrial application.

A preparation method for a propylene epoxidation catalyst: pre-hydrolyzing a silicon source, adding a titanium source and reacting to form a sol, atomizing the sol and then spraying it into liquid ammonia for molding, implementing pore broadening, and performing drying, calcination, and silanization treatment to obtain a Ti—SiO.sub.2 composite oxide catalyst. The present catalyst can be used in the chemical process of preparing propylene oxide by epoxidation of propylene, the average propylene oxide selectivity being up to 97.5%, having prospects for industrial application.