Abstract:
A vinyl ether compound represent by following Formula (4): wherein ring Z is any one of cyclic groups represented by following Formulae (5) through (12): wherein X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 are each a substituent combined with an atom constituting each ring and are each a halogen atom, an alkyl group, a haloalkyl group, an aryl group, a hydroxyl group which may be protected by a protecting group, a hydroxymethyl group which may be protected by a protecting group, an amino group which may be protected by a protecting group, a carboxyl group which may be protected by a protecting group, a sulfo group which may be protected by a protecting group, an oxo group, a nitro group, a cyano group, or an acyl group which may be protected by a protecting group, wherein, when there are two or more substituents X 1 s, these X 1 s may be combined to form a ring containing four or more members with a carbon atom constituting the cyclohexane ring in Formula (5); a, b, c, d, e, f, g, and h are each an integer of 0 or more, wherein when a, b, c, d, 3, f, g or h is 2 or more, the substituents in the parentheses may be the same or different; and p, q, and r are each an integer of from 0 to 3; W is a divalent hydrocarbon group; R 2 , R 3 , and R 4 are the same or different and are each a hydrogen atom or an organic group; n is 0 or 1; and m is an integer of from 1 to 8, wherein groups in the parentheses may be the same or different when m is 2 or more; wherein a in Formula (5) is 1 or more and b in Formula (6) is 1 or more when n is 0 and m is 1; and wherein c is 1 or more when p is 0 or 1, and X 3 is a group other than hydroxyl group when p is 0 and c is 1 in Formula (7).
Abstract:
A process produces an organic compound by allowing (A) a compound capable of generating a free radical to react with (B) at least one of esters and salts of nitrous acid in the presence of a nitrogen-containing cyclic compound constitutively having a skeleton represented by following Formula (i) in its ring: wherein X is an oxygen atom or an -OR group, and wherein R is a hydrogen atom or a hydroxyl-protecting group. Examples of the nitrogen-containing cyclic compound are cyclic imide compounds having a cyclic imide skeleton represented by following Formula (I): wherein n is 0 or 1; X is an oxygen atom or an -OR group, and wherein R is a hydrogen atom or a hydroxyl-protecting group.A process produces an organic compound by allowing (A) a compound capable of generating a free radical to react with (B) at least one of esters and salts of nitrous acid in the presence of a nitrogen-containing cyclic compound constitutively having a skeleton represented by following Formula (i) in its ring: wherein X is an oxygen atom or an -OR group, and wherein R is a hydrogen atom or a hydroxyl-protecting group. Examples of the nitrogen-containing cyclic compound are cyclic imide compounds having a cyclic imide skeleton represented by following Formula (I): wherein n is 0 or 1; X is an oxygen atom or an -OR group, and wherein R is a hydrogen atom or a hydroxyl-protecting group.
Abstract:
A 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 HYDROXYYL 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 READLY AVAILABLE MATERIALS.
Abstract:
The present invention relates to an oxidation catalytic system which comprises an imide compound and a co-catalyst comprising a compound containing a Group 7A element of the Periodic Table of Elements, and a compound containing a Group 8 element of the Periodic Table of Elements. The present invention further relates to a process for oxidation which comprises the step of contacting a substrate with oxygen in the presence of said oxidation catalytic system.
Abstract:
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 R and R 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 R and R 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 R , R , or to the double, bond or aromatic or non-aromatic ring formed together by R and R , to yield hydrogen peroxide. According to the process, hydrogen peroxide can be easily and efficiently obtained from readily available materials.
Abstract:
A catalyst of the invention includes an imide compound having a N-substituted cyclic imide skeleton represented by following Formula (I): wherein R is a hydroxyl-protecting group. Preferred R is a hydrolyzable protecting group. R may be a group obtained from an acid by eliminating an OH group therefrom. Such acids include, for example, carboxylic acids, sulfonic acids, carbonic acid, carbamic acid, sulfuric acid, nitric acid, phosphoric acids and boric acids. The catalyst may include the imide compound and a metallic compound in combination. In the presence of the catalyst, (A) a compound capable of forming a radical is allowed to react with (B) a radical scavenging compound and thereby yields an addition or substitution reaction product of the compound (A) and the compound (B) or a derivative thereof. This catalyst can produce an organic compound with a high selectivity in a high yield as a result of, for example, an addition or substitution reaction under mild conditions.
Abstract:
Acylating agents comprising: (A) a 1,2-dicarbonyl compound or its hydroxy-reduction derivative; (B) an enzyme; and (C) at least one compound selected from among (c1) metal compounds and (c2) imide compounds such as N-hydroxyphthalimide. As the 1,2-dicarbonyl compound or its hydroxy-reduction derivative (A), use may be made of biacetyl, 2,3-butanediol, etc. As the metal compounds (c1), use may be made of a cobalt compound such as cobalt acetate. An acyl group can be efficiently introduced into a methine carbon atom by treating a compound carrying a methine carbon atom such as an adamantane derivative by the above acylating agent.
Abstract:
A method for the surface modification of a molded article of a plastic comprising treating a molded article of a plastic with an oxygen-containing gas such as oxygen, carbon monoxide, a nitrogen oxide or a sulfur oxide in the presence of an imide compound such as N-hydroxy, phthalimide which is represented by formula (1): wherein R and R may be the same or different and each represent 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, and R and R may be bonded to each other to form together a double bonding or an aromatic or non-aromatic ring, and X represents an oxygen atom or a hydroxyl group; and a method for modifying a polymer comprising treating the polymer with an oxygen-containing gas such as oxygen, carbon monoxide, a nitrogen oxide or a sulfur oxide in the presence of an imide compound which is represented by formula (1).