摘要:
A pyridine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein W represents a group expressed by the following formula 2 or formula 3; ##STR2## wherein R.sub.1 represents an alkenyloxy group;n represents 1 or 2;Ra represents a lower alkyl group; andRb represents a halogen atom; and whereineach of R.sub.2 and R.sub.3 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, or halogenated alkyl group;Y represents a group expressed by --S--, --NH-- or --CONH--;m represents an integer of 0 to 2; andp represents 0 or 1.The pyridine derivative has an anti-ulcer effect or an antibacterial activity against Helicobacter pyroli to be available for prevention or cure of ulcers.
摘要:
An N-acylpiperazine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein R.sub.1 represents a pyridylcarbonyloxy lower alkyl group, a benzoylamino lower alkyl group, benzyl group, carbamoyl group, pyridyl group, or diphenylmethyl group;R.sub.2 represents a lower alkyl group or a lower alkoxy group;n represents an integer of 0 to 2;R.sub.3 represents a hydrogen atom, an alkenyl group, or benzyl group; andm represents an integer of 1 to 3.The N-acylpiperazine derivative or a salt thereof has an anti-ulcer effect, an antibacterial activity against Helicobacter pyroli, and high safety to be available for prevention or cure of various ulcers.
摘要:
The invention provides a compound which has anti-ulcer effect and antibacterial activity against Helicobacter pyroli. This compound is an alkylenediamine derivative or salt which has a general formula of (1): ##STR1## wherein each of R.sub.4, R.sub.5, and R.sub.6 is hydrogen or lower alkyl; n represents an integer of 1 to 6; Y is --CH.sub.2 --, --O--, or --N(R.sub.7)--, wherein R.sub.7 is lower alkyl, aryl, carbamoyl lower alkyl, aralkyl, or a heterocyclic group having 5 to 9 carbon numbers; and, W is a group expressed by formulas 2 or 3: ##STR2## wherein (1) in formula 2: each of R.sub.1 and R.sub.2 is hydrogen, lower alkoxy, alkenyloxy, or a halogen atom; each of R.sub.3 and R.sub.3 is methyl, prenyl, or geranyl; when one of R.sub.3 and R.sub.3 is prenyl or geranyl, the other must be a methyl group; and X is oxygen or sulfur; and (2) in formula 3, R.sub.10 is a lower alkyl, and R.sub.11 is a halogen atom.
摘要:
An N-acylpiperazine derivative or a salt thereof in accordance with the present invention is represented by the following formula 1: ##STR1## wherein R.sub.1 represents a lower alkyl, hydroxy lower alkyl, lower acyl, or arylcarbonyloxy lower alkyl group; R.sub.2 represents hydrogen atom or a lower alkyl, lower alkoxy, lower alkenyl, amino, or nitro group; R.sub.3 and R.sub.4, which are identical to or different from each other, represent hydrogen atoms, halogen atoms, or cyano, nitro, lower alkyl, or lower alkoxy groups; and n represents 0 or 1. The N-acylpiperazine derivative has anti-ulcer effect or an antibacterial activity against Helicobacter pyroli to be available for prevention or cure of ulsers.
摘要翻译:根据本发明的N-酰基哌嗪衍生物或其盐由下式1表示:其中R 1表示低级烷基,羟基低级烷基,低级酰基或芳基羰基氧基低级烷基; R2代表氢原子或低级烷基,低级烷氧基,低级烯基,氨基或硝基; R 3和R 4彼此相同或不同,表示氢原子,卤原子或氰基,硝基,低级烷基或低级烷氧基; 并且n表示0或1. N-酰基哌嗪衍生物具有抗溃疡作用或对幽门螺杆菌具有抗菌活性,可用于预防或治愈酏剂。
摘要:
An alkylenediamine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein each of R.sub.1 and R.sub.2 represents a lower alkyl group, and W represents a group expressed by any of the following formulas 2 and 3; ##STR2## wherein all variables are as defined in the specification The alkylenediamine derivative has an anti- ulcer effect or an antibacterial activity against Helicobacter pyroli, and has also high safety to be available for prevention or cure of ulcers.
摘要:
A pyridine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein W represents a group expressed by the following formula 2 or formula 3; ##STR2## wherein R.sub.1 represents an alkenyloxy group; n represents 1 or 2;Ra represents a lower alkyl group; andRb represents a halogen atom; and whereineach of R.sub.2 and R.sub.3 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, or halogenated alkyl group;Y represents a group expressed by --S--, --NH-- or --CONH--;m represents an integer of 0 to 2; andp represents 0 or 1.The pyridine derivative has an anti-ulcer effect or an antibacterial activity against Helicobacter pyroli to be available for prevention or cure of ulcers.
摘要:
A thiadiazoleamide derivative or a salt thereof expressed by the following Formula 1: ##STR1## wherein each of R.sub.1 and R.sub.2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylamino group or an alkenyloxy group; wherein when either R.sub.1 or R.sub.2 is a hydrogen atom, the other is not a hydrogen atom; R.sub.3 represents a lower alkyl group, an aryl group, a pyridyl group or --N(R.sub.4)R.sub.5, wherein R.sub.4 and R.sub.5 represent lower alkyl groups or together represent a saturated heterocyclic ring having 4-8 members; wherein when R.sub.1 or R.sub.2 is a lower alkoxy group, R.sub.3 is --N(R.sub.4)R.sub.5 or a pyridyl group; and n represents an integer of 1-3. The derivatives have anti-ulcer effect to be available for preventing or curing ulcers in mammals.
摘要:
An oily solid cosmetic is capable of effectively diminishing morphological problems, such as vertical wrinkles, in particular on the lip, over a long period of time. The present invention provides an oily solid cosmetic which contains: (A) a plate-like composite powder presenting interference colors, (B) a spherical composite powder wherein the surface of a spherical powder having a refractive index of 1.40 to 1.60 is coated with a coating component having a refractive index of 2.00 to 2.90, and (C) 1 to 40% by mass of a semi-solid oil component. Preferably, the cosmetic of the present invention further contains (D) heavy isoparaffin. The cosmetic of the present invention is capable of diminishing vertical wrinkles, in particular on the lip, over a long period of time, and of maintaining a glossy lip.
摘要:
A fabrication method of a group III nitride crystal substance includes the steps of cleaning the interior of a reaction chamber by introducing HCl gas into the reaction chamber, and vapor deposition of a group III nitride crystal substance in the cleaned reaction chamber. A fabrication apparatus of a group III nitride crystal substance includes a configuration to introduce HCl gas into the reaction chamber, and a configuration to grow a group III nitride crystal substance by HVPE. Thus, a fabrication method of a group III nitride crystal substance including the method of effectively cleaning deposits adhering inside the reaction chamber during crystal growth, and a fabrication apparatus employed in the fabrication method are provided.
摘要:
The present method for growing group III nitride crystal includes the steps of: preparing a substrate including group III nitride seed crystal constituting one main surface thereof; forming a plurality of facets on the main surface of the substrate through vapor phase etching; and growing group III nitride crystal on the main surface on which the facets are formed. In this way, group III nitride crystal having a low dislocation density can be obtained readily and efficiently.