摘要:
An additive for oils that is capable of imparting oils such as lubricant base oils with superior wear resistance properties or friction resistance properties, and a lubricant. An additive for oils that includes a compound represented by formula (I) is used. A and B each represents a single bond or hydrocarbylene or the like, X and Y each represents a sulfur atom or single bond, and W and Z each represents a hydrogen atom or —NR1R2 or the like, provided that W and Z are not both hydrogen atoms. R1 and R2 each represents a hydrogen atom, a hydrocarbyl or a hydrocarbylcarbonyl or the like, and n and m each represents an integer of 0 to 5.
摘要翻译:能够赋予润滑油基础油等润滑油基油优异的耐磨损特性或耐摩擦性能的油添加剂和润滑剂。 使用包含由式(I)表示的化合物的油的添加剂。 A和B各自表示单键或亚烃基等,X和Y各自表示硫原子或单键,W和Z各自表示氢原子或-NR 1 R 2等,条件是W和Z不都是 氢原子。 R 1和R 2各自表示氢原子,烃基或烃基羰基等,n和m各自表示0〜5的整数。
摘要:
An additive for oils that is capable of imparting oils such as lubricant base oils with superior wear resistance properties or friction resistance properties, and a lubricant. An additive for oils that includes a compound represented by formula (I) is used. A and B each represents a single bond or hydrocarbylene or the like, X and Y each represents a sulfur atom or single bond, and W and Z each represents a hydrogen atom or —NR1R2 or the like, provided that W and Z are not both hydrogen atoms. R1 and R2 each represents a hydrogen atom, a hydrocarbyl or a hydrocarbylcarbonyl or the like, and n and m each represents an integer of 0 to 5.
摘要翻译:能够赋予润滑油基础油等润滑油基油优异的耐磨损特性或耐摩擦性能的油添加剂和润滑剂。 使用包含由式(I)表示的化合物的油的添加剂。 A和B各自表示单键或亚烃基等,X和Y各自表示硫原子或单键,W和Z各自表示氢原子或-NR 1 R 2等,条件是W和Z不都是 氢原子。 R 1和R 2各自表示氢原子,烃基或烃基羰基等,n和m各自表示0〜5的整数。
摘要:
An additive for oils that is capable of imparting oils such as lubricant base oils or fuel oils with superior wear resistance properties or superior friction resistance properties and the like are provided. The additive for oils comprising a compound represented by formula (I): [Chemical Formula 1] (A)m-W—(B)n (I) wherein m represents an integer of 0 to 4, n represents an integer of 2 to 6, A represents hydroxy or amino, W represents hydrocarbon or the like, and B represents formula (II): wherein a represents 0 or 1, X represents an oxygen atom or NH, Y represents OR1 or NHR2 (wherein R1 and R2 each represent alkyl optionally having one or more substituents or the like), and Z1 and Z2 each represent a hydrogen atom, NR3R4 (wherein R3 and R4 each represent alkyl optionally having one or more substituents or the like) or the like, and the like are provided.
摘要:
The present invention provides a lubricating oil comprising an alicyclic compound represented by a general formula (I): wherein n is an integer of 0 or 1; one of R1 and R2 represents —CH2OR4 (wherein R4 represents a carboxylic acid residue) while the other one represents alkyl, lower alkyl-substituted or unsubstituted cycloalkyl, aryl, or aralkyl; and R3 represents —CH2OR5 (wherein R5 represents a carboxylic residue) and the like. The lubricating oil of the present invention has an excellent traction coefficient, excellent heat resistance, or the like. For the lubricating oil of the present invention, the alicyclic compound represented by the general formula (I) can be directly used as it is, and other base oils such as ester oil, poly-α-olefin, mineral oil, or silicone oil may be included therein, if necessary.
摘要翻译:本发明提供一种润滑油,其含有通式(I)表示的脂环族化合物:其中n为0或1的整数; R 1和R 2之一表示-CH 2 OR 4(其中R 4表示羧酸残基),而另一个表示烷基,低级烷基取代或未取代的环烷基,芳基或芳烷基; 和R 3表示-CH 2 OR 5(其中R 5表示羧基残基)等。 本发明的润滑油具有优异的牵引系数,优异的耐热性等。 对于本发明的润滑油,可以直接使用由通式(I)表示的脂环族化合物,其它基油如酯油,聚-α-烯烃,矿物油或硅油可以 如果有必要的话。
摘要:
The present invention provides a lubricating oil comprising an alicyclic compound represented by a general formula (I): wherein n is an integer of 0 or 1; one of R1 and R2 represents —CH2OR4 (wherein R4 represents a carboxylic acid residue) while the other one represents alkyl, lower alkyl-substituted or unsubstituted cycloalkyl, aryl, or aralkyl; and R3 represents —CH2OR5 (wherein R5 represents a carboxylic residue) and the like. The lubricating oil of the present invention has an excellent traction coefficient, excellent heat resistance, or the like. For the lubricating oil of the present invention, the alicyclic compound represented by the general formula (I) can be directly used as it is, and other base oils such as ester oil, poly-α-olefin, mineral oil, or silicone oil may be included therein, if necessary.
摘要翻译:本发明提供一种润滑油,其含有通式(I)表示的脂环族化合物:其中n为0或1的整数; R 1和R 2之一表示-CH 2 OR 4(其中R 4表示羧酸残基),而另一个表示烷基,低级烷基取代或未取代的环烷基,芳基或芳烷基; 和R 3表示-CH 2 OR 5(其中R 5表示羧基残基)等。 本发明的润滑油具有优异的牵引系数,优异的耐热性等。 对于本发明的润滑油,可以直接使用由通式(I)表示的脂环族化合物,其它基油如酯油,聚-α-烯烃,矿物油或硅油可以 如果有必要的话。
摘要:
The present invention provides a process for producing an α,α-bis(hydroxymethyl)alkanal represented by Formula (II): (wherein R represents an alkyl group, a cycloalkyl group, or an aryl group) which comprises reacting an aldehyde represented by Formula (I): R—CH2—CHO (I) (wherein R has the same meaning as defined above) with formaldehyde in the presence of a basic catalyst and a phase-transfer catalyst.
摘要:
The present invention provides a process for producing an α,α-bis(hydroxymethyl)alkanal represented by Formula (II): (wherein R represents an alkyl group, a cycloalkyl group, or an aryl group) which comprises reacting an aldehyde represented by Formula (I): R—CH2—CHO (I) (wherein R has the same meaning as defined above) with formaldehyde in the presence of a basic catalyst and a phase-transfer catalyst.
摘要:
The invention provides a process for the preparation of a carbonyl compound in high efficiency by oxidizing an alcohol. The process for the preparation of a carbonyl compound of the present invention includes a step of oxidizing an alcohol in the presence of a compound of the formula (I) or a derivative or a salt thereof, and an oxidant, wherein R1 and R2 independently represent hydrogen, a halogen, a nitro or acidic group, or an alkyl or alkoxy group, each of which optionally has a substituent, or R1 and R2 combine the two carbon atoms to which they are boned to form an aromatic ring.
摘要:
The invention provides a process for the preparation of a carbonyl compound in high efficiency by oxidizing an alcohol. The process for the preparation of a carbonyl compound of the present invention includes a step of oxidizing an alcohol in the presence of a compound of the formula (I) or a derivative or a salt thereof, and an oxidant, wherein R1 and R2 independently represent hydrogen, a halogen, a nitro or acidic group, or an alkyl or alkoxy group, each of which optionally has a substituent, or R1 and R2 combine the two carbon atoms to which they are boned to form an aromatic ring.
摘要:
The invention provides important intermediate compounds for the synthesis of acidic glycolipids which are identical with the glycolipid antigens isolated from the acidic glycolipid fractions of peripheral nerve and embryonic central nervous system and preparation methods thereof. By the adoption of the present intermediate compounds, sulfation of 3-hydroxyl group of end glucuronic acid portion of the acidic glycolipid can be quite easily carried out and total synthetic yield be greatly improved.