摘要:
A process of the invention allows a cycloalkane to react with oxygen in the presence of a catalytic imide compound having an N-hydroxy (or N-oxo) cyclic imide skeleton and thereby yields a corresponding bis(1-hydroxycycloalkyl) peroxide. The catalytic imide compound includes, for example, a compound represented by following Formula (1): wherein R1 and R2 are each, for example, a hydrogen atom, a halogen atom, an alkyl group, an aryl group or a cycloalkyl group, where R1 and R2 may be combined to form a double bond, an aromatic or non-aromatic ring; and X is an oxygen atom or a hydroxyl group. The cycloalkane includes, for example, a cycloalkane having from 5 to 15 members. The invention can easily produce bis(1-hydroxycycloalkyl) peroxide from an inexpensive material.
摘要:
In the presence of an imide compound (e.g., N-hydroxyphthalimide) shown by the formula (2): wherein R1 and R2 independently represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a cycloalkyl group; or R1 and R2 may bond together to form a double bond or an aromatic or non-aromatic ring; Y is O or OH and n=1 to 3; or the imide compound and a co-catalyst (e.g., a transition metal compound), an adamantane derivative having a functional group such as a nitro group, an amino group, a hydroxyl group, a carboxyl group, a hydroxymethyl group and an isocyanato group is oxidized with oxygen. According to the above method, an adamantane derivative having a hydroxyl group together with a functional group such as a nitro group, an amino group, a hydroxyl group, a carboxyl group, a hydroxymethyl group and an isocyanato group is efficiently obtained.
摘要:
The invented process produces hydrogen peroxide by reacting a primary or secondary alcohol with oxygen in the presence of an imide compound of the following formula (1): wherein each of R1 and R2 is, identical to or different from each other, a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a cycloalkyl group, a hydroxyl group, an alkoxy group, a carboxyl group, an alkoxycarbonyl group, or an acyl group, where R1 and R2 may be combined to form a double bond, or an aromatic or non-aromatic ring; X is an oxygen atom or a hydroxyl group, where one or two N-substituted cyclic imido groups indicated in the formula (1) may be further bonded to the R1, R2, or to the double, bond or aromatic or non-aromatic ring formed together by R1 and R2, to yield hydrogen peroxide. According to the process, hydrogen peroxide can be easily and efficiently obtained from readily available materials.
摘要:
In the presence of an iridium compound, an imine of the following formula (1): wherein R1, R2 and R3 are each, identical to or different from one another, a hydrogen atom or a non-reactive organic group, where R1 and R2 may be combined to form a ring together with the adjacent carbon atom, is reacted with a diazoacetic acid derivative of the following formula (2): N2CHR4 (2) wherein R4 is a cyano group, an alkoxycarbonyl group, a carbamoyl group or the like, to yield an aziridine compound of the following formula (5): wherein R1, R2, R3 and R4 have the same meanings as defined above. The process can easily and efficiently produce aziridine compounds.
摘要:
An ether of the following formula (2): (wherein Ra is a hydrogen atom, a hydrocarbon group or a heterocyclic group, Rb is a hydrogen atom, a hydroxyl group or a substituted oxy group, and Rc is a hydrocarbon group or a heterocyclic group; Ra and Rc may be combined to form a ring with the adjacent carbon atom and oxygen atom) is reacted with nitrogen monoxide in the presence of a catalyst composed of an imide compound of the following formula (1): (wherein each of R1 and R2 is, identical to or different from each other, a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a cycloalkyl group, a hydroxyl group, an alkoxy group, a carboxyl group, an alkoxycarbonyl group, or an acyl group; R1 and R2 may be combined to form a double bond, or an aromatic or nonaromatic ring; X is an oxygen atom or a hydroxyl group; and one or two N-substituted cyclic imido groups indicated in the formula (1) may further be formed on R1, R2, or on the double bond or aromatic or nonaromatic ring formed together by R1 and R2) to give an aldehyde of the following formula (3): Ra—CHO (3) (wherein Ra has the same meaning as defined above).
摘要:
In the presence of a metal catalyst such as a samarium compound, an enol ester compound shown by the formula (1) is reacted with a carbonyl compound shown by the formula (3) and a cyanogenation agent to produce an .alpha.-cyanohydrin ester shown by the formula (4): ##STR1## wherein R.sup.1, R.sup.7, and R.sup.8 are the same or different from each other, each representing a non-reactive atom or a non-reactive organic group; R.sup.2, R.sup.3, and R.sup.4 are the same or different from each other, each representing a hydrogen atom or an alkyl group having 1 to 5 carbon atoms.By hydrolyzing the obtained compound, the corresponding .alpha.-hydroxy acid or a salt thereof can be obtained. According to the above processes, an .alpha.-cyanohydrin ester and an .alpha.-hydroxy acid can be obtained in high yields.
摘要:
Disclosed is a process for the production of an oxygen-containing organic compound by oxidizing an organic compound with molecular oxygen in a liquid phase in the presence both of a catalytic nitrogen-containing cyclic compound and a catalyst including a solid superacid and, supported thereon, a transition metal compound, in which the nitrogen-containing cyclic compound contains, as a ring constituent, a skeleton represented by following Formula (1), wherein X represents an —OR group, and wherein R represents hydrogen atom or a hydroxyl-protecting group. The process gives the oxygen-containing organic compound in a high yield and enables easy recovery and reuse of the catalyst.
摘要:
The invented polymerizable alicyclic esters are shown by the following formula (1) or (2): wherein each of ring A, ring B, ring C, ring D, and ring E is a non-aromatic carbon ring, R is a polymerizable unsaturated group, and each of Ra1, Rb1, and Rc1 is, identical to or different from one another, a hydrogen atom, a hydroxyl group which may be protected by a protective group, or an RCO2 group, where R has the same meaning as defined above. Each of the ring A, ring B, ring C, ring D, and ring E is, for example, a cyclopentane ring, a cyclohexane ring, or a bridged ring. R includes, for example, a vinyl group, an isopropenyl group, or an aryl group.
摘要:
The present invention provides a process for producing alkylidenenorbornenes by reacting C.sub.4 -C.sub.6 acyclic conjugated dienes with cyclopentadiene, dicyclopentadiene, or a methyl- or dimethyl-substituted derivative thereof in the presence of a catalyst derivative composed of:(A) a titanium-containing compound, and(B) at least one metallic reducing agent containing the group IA, IIA or IIIA metals in the periodic table.
摘要:
To provide a solid catalyst containing a cyclic imide skeleton which is easily available and easily separable from reaction products and which is easily recovered and regenerated, and free from reaction inhibitory factors; and a process for oxidation of organic compounds with the solid catalyst.An immobilized cyclic imide catalyst having a structure represented by following Formula (1), wherein X is oxygen or an —OR group (wherein R is hydrogen atom or a hydroxyl-protecting group); n is 0 or 1; Z1 is a five- or six-membered cyclic imide skeleton to which an aromatic or nonaromatic ring Z2 may be adjacent; elliptically shaped moiety S is an inorganic support; A1 is a group linking silicon atom with the cyclic imide skeleton Z1 or with the ring Z2 and is either a divalent hydrocarbon group or a group composed of a divalent hydrocarbon group and an amide bond (—NHCO—); and the cyclic imide skeleton Z1 and the ring Z2 may each be substituted.