摘要:
It provide a catalyst for the production of epoxides by a vapor-phase oxidation of an unsaturated hydrocarbon having a chain length of 4-20 carbon atoms and containing no allylic hydrogen atom, characterized by having a catalytic component containing silver and at least one element selected from the group consisting of alkali metals and thallium deposited onto a carrier obtained by mixing &agr;-alumina having a sodium content in the range of 1-70 mmol (as reduced to Na) per kg of &agr;-alumina with an aluminium compound, a silicon compound, and a sodium compound and calcining the resultant mixture, the carrier having a silicon content (as reduced to SiO2) in the range of 0.3 -11.5 mass % based on the mass of the carrier and a sodium content (as reduced to Na2O) in the range of 0.11-2.5 mass % based on the mass of the carrier.
摘要:
Wherein n is an integer of from 0 to 3; R1A is a 5-membered aromatic heterocyclic group containing at least one oxygen atom; R2A is —COR8 (wherein R8 is aryl); R3A is hydrogen or lower alkyl; and R12 represents cycloalkyl, aryl, aralkyl, alicyclic heterocyclic group, aromatic heterocyclic group, alicyclic hetocyclic-alkyl, or aromatic heterocyclic-alkyl, and R1A, R2A, R3A and R12 are individually optionally substituted.
摘要翻译:其中n为0至3的整数; R1A是含有至少一个氧原子的5元芳族杂环基; R2A是-COR8(其中R8是芳基); R3A是氢或低级烷基; R 12表示环烷基,芳基,芳烷基,脂环族杂环基,芳香族杂环基,脂环族环状烷基或芳香族杂环烷基,R1A,R2A,R3A,R12分别任意取代。
摘要:
(Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like)For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.
摘要翻译:(其中n为0〜3的整数; R 1为取代或未取代的环烷基,取代或未取代的芳基,取代或未取代的脂环族杂环基或取代或未取代的芳香族杂环基; R2为卤素,取代或未取代的低级烷基 取代或未取代的芳基,取代或未取代的脂环族杂环基,取代或未取代的芳族杂环基,-COR 8等; R 3和R 4可以相同或不同,表示氢原子,取代或未取代的低级 烷基,取代或未取代的芳烷基,-COR 12等)例如,提供的是腺苷A 2A受体拮抗剂,其包含作为活性成分的由通式(I)表示的噻唑衍生物或其药学上可接受的盐,以及 类似。
摘要:
(Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like)For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.
摘要翻译:本发明提供的腺苷A 2A受体拮抗剂包含作为活性成分的由通式(I)表示的噻唑衍生物或其药学上可接受的盐:......(其中n为0-3的整数; R 1为取代或 取代或未取代的芳基,取代或未取代的脂环族杂环基或取代或未取代的芳族杂环基; R2为卤素,取代或未取代的低级烷基,取代或未取代的芳基,取代或未取代的脂环族杂环基, 或未取代的芳族杂环基,-COR 8等; R 3和R 4可以相同或不同,各自表示氢原子,取代或未取代的低级烷基,取代或未取代的芳烷基,-COR 12等)。
摘要:
The disclosed superconductive material has a characteristic in accordance with which electrical resistance disappears at a temperature of at least more than the boiling point of 20.3.degree. K. (-252.7.degree. C.) of liquid hydrogen and relates to La-Ba-Cu-O series superconductive material.Said superconductive material consists essentially of a composition having the formula(La.sub.1-x M.sub.x).sub.2 CuO.sub.4-x/2wherein, M=Ba or Ba(Sr, Ca) and x=0.04.about.0.20 as a main body, wherein the material has a K.sub.2 NiF.sub.4 crystal structure.
摘要:
A method of reactivating a catalyst having reduced activity as a result of having been used in producing an unsaturated aldehyde as a main product by catalytic vapor-phase oxidation reaction of propylene, isobutylene or tertiary butanol, said catalyst being a catalytic oxide comprising molybdenum, bismuth and iron with a Mo:Fe atomic ratio of 12:at least 0.1. The method comprises heat-treating the used catalyst at a temperature of 300.degree. to 500.degree. C. in the presence of a flowing oxidizing gas containing at least 5% by volume of molecular oxygen and at least 0.1% by volume of steam.
摘要:
Wherein n is an integer of from 0 to 3; R1A is a 5-membered aromatic heterocyclic group containing at least one oxygen atom; R2A is —COR8 (wherein R8 is aryl); R3A is hydrogen or lower alkyl; and R12 represents cycloalkyl, aryl, aralkyl, alicyclic heterocyclic group, aromatic heterocyclic group, alicyclic hetocyclic-alkyl, or aromatic heterocyclic-alkyl, and R1A, R2A, R3A and R12 are individually optionally substituted.
摘要翻译:- 根据式(1A)的化合物,其中n为0至3的整数; R1A是含有至少一个氧原子的5元芳族杂环基; R2A是-COR8(其中R8是芳基); R3A是氢或低级烷基; R 12表示环烷基,芳基,芳烷基,脂环族杂环基,芳香族杂环基,脂环族环状烷基或芳香族杂环烷基,R1A,R2A,R3A,R12分别任选被取代,及其药学上可接受的盐。