摘要:
A peptide having one of the following formulae (I), (II), (III) and (IV): or its functional derivatives, and a pharmaceutically acceptable salt thereof are disclosed. These peptides have a nootropic effect and are effective as antidementia agents.
摘要:
A peptide having one of the following formulae (I), (II), (III) and (IV): or its functional derivatives, and a pharmaceutically acceptable salt thereof are disclosed. These peptides have a nootropic effect and are effective as antidementia agents.
摘要:
Disclosed is a novel peptide having one of the formulae: (A and B ar amino acids: wherein if A is D- or L-Pro, B is Har or Cit; if A is D-Pro, B is D-Arg, and if B is D- or L-Arg, A is Sar, Pip, Aze or Arg) or (A is cyclopentylcarbonyl, Pro or pGlu; B is Gly or β-Ala, W is a hydrogen atom or a group having the formula: or a peptide having the formula: wherein A and B have the same meanings as mentioned above, respectively, their functional derivatives, and pharmaceutically acceptable salts thereof. The invention includes pharmaceutical preparations containing such a peptide as active ingredient, for the treatment of dementia.
摘要:
Disclosed is a novel peptide having one of the formulae:
(A and B are the amino acids: wherein if A is D- or L-Pro, B is Har or Cit; if A is D-Pro, B is D-Arg, and if B is D- or L-Arg, A is Sar, Pip, Aze or Arg) Asn-A-L-(D-)Pro-Arg-(Gly) n (A is Ser, Thr or Ala, n is 1 or 0) A-Ser-Pip-Arg (A is Pro-Asn-, Asn- or Pro-) W A- C ys-Pro-Arg-B (A is cyclopentylcarbonyl, Pro or pGlu; B is Gly or β-Ala, W is a hydrogen atom or a group having the formula: or a peptide having the formula: wherein A and B have the same meanings as mentioned above, respectively pGlu-Asn-Ser-A-B-(Gl y )n (A is Aze, D- or L-Pro, Pip or Sar, B is D- or L-Arg, Cit, Har, Lys or Orn, n is 1 or 0) and Pro-(Asn) m Ser-L-(D-)Pro-Arg-(Gly) n (m and n are independently 0 or 1) their functional derivatives, and pharmaceutically acceptable salts thereof.
摘要:
2-[[2-(N-Isobutyl-N-methyl)amino]benzylsulfinyl]benzimidazole is effective for treating or preventing Helicobacter infections by administration to patients suffering from the infections.
摘要:
Disclosed are novel imidazole derivatives having the formula: wherein R¹ is hydrogen or an alkyl group having 1-6 carbon atoms, R² is an alkyl group having 2-6 carbon atoms substituted with an alkoxy group having 1-4 carbon atoms, each of R³, R⁴, R⁵ and R⁶ independently is hydrogen, a halogen, an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, a fluorine-substituted alkyl group having 1-6 carbon atoms, or a fluorine-substituted alkoxy group having 1-6 carbon atoms. The new imidazole derivatives are effective particularly as anti-ulcer agents.
摘要:
Disclosed are novel imidazole derivatives having the formula: wherein R 1 and R 2 are H, alkyl, cycloalkyl, aryl, aralkyl or halogen-substituted alkyl, or R 1 and R 2 are combined to form a heterocyclic ring; R 3 , R 4 , R 5 and R 6 are H, halogen, alkoxy, aralkyloxy, alkyl, alkoxycarbonyl, nitro, amino, acyl, fluorine substituted-alkyl, or fluorine substituted-alkoxy, or R 3 is combined with R 2 to form a heterocyclic ring; R 8 and R 9 are H, halogen, alkoxy, alkyl, alkoxycarbonyl, nitro, amino, acyl, fluorine substituted-alkyl, fluorine substituted-alkoxy, or aryl group which may have a substitutent, or R 8 and R 9 are combined to form an alicyclic ring; R 7 is, where R 8 and R 9 are not combined, H, and, where R 8 and R 9 are combined, H, alkyl which may have a substitutent, aryl which may have a substitutent, arylcarbonyl which may have a substitutent, or a sulfur-containing heterocyclic group; and n is 0 or 1. The new imidazole derivatives are effective particularly as anti-ulcer agents.
摘要翻译:公开了具有下式的新型咪唑衍生物:其中R 1和R 2是H,烷基,环烷基,芳基,芳烷基或卤素取代的烷基,或R 1和R 2相结合的 形成杂环; R 3,R 4,R 5和R 6是H,卤素,烷氧基,芳烷氧基,烷基,烷氧基羰基,硝基,氨基,酰基,氟取代的烷基或氟取代的烷氧基 R 3与R 2结合形成杂环; R 8和R 9是可以具有取代基的H,卤素,烷氧基,烷基,烷氧基羰基,硝基,氨基,酰基,氟取代的烷基,氟取代的烷氧基或芳基,或R 8, 和R 9结合形成脂环族环; R 7是其中R 8和R 9不组合的化合物,其中R 8和R 9结合,H可以具有取代基的烷基,其可以具有 可以具有取代基的取代基芳基羰基或含硫杂环基; 并且n为0或1.新的咪唑衍生物特别用作抗溃疡剂。
摘要:
Amino-alcohol derivatives of the formula, where R, is a straight or branched alkyl group having 3 to 8 carbon atoms, R 2 and R 3 are each a lower alkyl group, or R 2 and R 3 form a 5- to 7-membered ring together with the adjacent nitrogen atom which may have an oxygen atom attached thereto, R. is a hydrogen atom or a lower alkyl group, R 5 is a hydrogen atom or a lower alkyl group, X is a hydrogen or halogen atom or a lower alkyl or lower alkoxy group, and n is an integer of 2 or 3, and acid addition salts thereof, are effectively useful as medicines and agricultural chemicals. Processes are also disclosed for preparing such compounds.