摘要:
Novel derivatives of 1-deoxynojirimycin are disclosed which have thio or sulfinyl substituents at C-2 or C-3. They can be represented by formulae (I, II). These compounds are useful inhibitors of lentiviruses such as visna virus and human immunodeficiency virus. Methods of chemical synthesis of these derivatives and intermediates therefor are also disclosed.
摘要:
The present invention relates to a novel quinolone carboxylic acid derivative of structural formula (I) and pharmaceutically acceptable salts thereof. These compounds also have a potent activity against both Gram-positive bacteria and Gram-negative bacteria; wherein R1 is hydrogen or alkyl group having one to six carbon atoms, R2 is alkyl group having one to four carbon atoms, haloalkyl group having one to four carbon atoms, cycloalkyl group having three to six carbon atoms, alkenyl group having two to four carbon atoms, or phenyl group which is optionally mono or disubstituted by fluorine atoms, X is hydrogen, amino, or halogen, Y is hydrogen or halogen, Z is (II) (wherein l is 1 or 2, m is 0, 1, or 2, and n is 0 or 1, R3 is hydrogen, alkyl group having one to four carbon atoms, haloalkyl group having one to three carbon atoms, acyl group, cycloalkyl group having three to six carbon atoms, aryl, or heteroaryl group).
摘要:
Anti-dementia medicaments comprising a carbamic acid derivatives or their pharmaceutically acceptable acid addition salts having an anti-amnesic activity as an active ingredient are provided. The carbamic acid derivatives are represented by a general formula (1)
wherein Ar denotes an aromatic heterocyclic ring which may have at least one substituent or its benzene-condensed ring, or phenyl group which may have at least one substituent, R¹ denotes hydrogen atom or lower alkyl group, R² denotes lower alkyl group which may be substituted with halogen atom, phenyl group which may have at least one substituent, naphthyl group, or five- or six-membered heterocyclic ring and its benzene-condensed ring, X and Y, which may be the same or different, denote sulfur atom or oxygen atom.
摘要:
A piperidine derivative represented by the following general formula (I): wherein R₁ and R₂ are the same or different and each independently represents a hydrogen atom, a halogen atom, a lower alkyl group, or a lower alkoxy group; R₃ represents a hydrogen atom or a lower alkyl group; X represents an oxygen atom or a sulfur atom; Y represents an alkylene group having 1 to 7 carbon atoms which may be optionally substituted with a lower alkyl group, or Y represents an -A-O-B- group wherein A and B are the same or different and each independently represents an alkylene group having 1 to 3 carbon atoms which may be optionally substituted with a lower alkyl group is disclosed. Also disclosed are a pharmacologically acceptable salt of a compound of formula (I), an antihistaminic and antiallergic agent comprising a compound of formula (I), a pharmaceutical composition comprising a compound of formula (I), and a method for the treatment of an allergic disease by administering a compound of formula (I).
摘要翻译:由下述通式(I)表示的哌啶衍生物: worin R1和R2是相同或不同,并且各自unabhängigdarstellt氢原子,卤原子,低级烷基,或低级烷氧基; R 3表示氢原子或低级烷基; X darstellt到氧原子或硫原子; 具有可任选被低级烷基,或Y darstellt substituiertem到-AOB-组worin A和B是相同的或不同的,并且具有1至3的亚烷基基团的每个unabhängigdarstellt 1至7个碳原子的亚烷基基团Y的darstellt 这可能与低级烷基,任选地substituiertem碳原子是游离缺失盘。 所以游离缺失盘是式(I)中,在抗组胺和抗过敏剂,其包含式(I)的化合物的化合物,的药理学上可接受的盐的药物组合物包含式(I)的化合物,和用于的治疗的方法 通过施用式(I)的化合物的过敏性疾病。
摘要:
2-(8-Azabicyclo[3.2.1]oct-8-yl)alkanols of the formula wherein Q is S or CH=CH; X is H, OH or another aromatic substituent; R is hydrogen, alkyl, alkenyl or alkynyl; Y and Y 1 are taken together and are arylmethylene or aralkylmethylene (or a corresponding epoxy derivative) or Y and Y 1 are taken separately and Y is hydrogen or OH, and Y 1 is aryl, aralkyl, arylthio, or aryloxy; and structurally related 2-(piperidino)alkanols; pharmaceutical compositions thereof; methods of treating CNS disorders therewith; and intermediates useful in the preparation of said compounds.
摘要:
Pyrrolidine, piperidine and homopiperidine- carboxamide and thiocarboxamide compounds of the formula: wherein X is -S-, -S(0)- or -S(0) 2 -; A is a loweralkalene chain and A 1 and A 2 are alkalene chains when p and d are one; R, R 1 and R 2 are hydrogen, loweralkyl, phenyl cycloalkyl or phenylalkyl and R 1 and R 2 may form a heterocyclic residue with the adjacent nitrogen atom; Q is a selected aromatic radical, and the pharmaceutically acceptable acid addition salts are useful as cardiac antiarrhythmia agents. Chemical intermediates, unsubstituted on pyrrolidine, piperidine and homopiperidine nitrogen but with the -(A 2 ) p -X-(A 2 ) d -Q side chain are also disclosed.