摘要:
The invention is directed to method for the preparation of pyrrolines of the general formula (I) by catalytic hydration of a nitroketone of the general formula (II) employing a transition metal catalyst and gaseous hydrogen at an elevated pressure in a solvent, optionally in the presence of at least one additive selected among Lewis acids, Brønstedt acids, organic sulfur-containing compounds, organic or inorganic bases, and water scavengers, wherein in formulae (I) and (II) B 1 , B 2 , B 3 , B 4 , X, R, and T are as defined in the specification, and to a nitroketone of formula (II) to be used as intermediate in the process according to the invention and as pesticidal agent.
摘要:
The N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein n represents an integer being 1 or 2; R and R each independently represents hydrogen C1-4alkyl, NR R , C1-4alkyloxy; or R and R taken together with the carbon atom with which they are attached form a C3-6cycloalkyl; and where n is 2, either R or R may be absent to form an unsaturated bond; R represents a C6-12cycloalkyl, preferably selected from cylo-octanyl and cyclohexyl or R represents a monovalent radical having one of the following formulae, wherein said C6-12cycloalkyl or monovalent radical may optionally be substituted with one, or where possible two, three or more substituents selected from the group consisting of C1-4alkyl, C1-4alkyloxy, halo or hydroxy; Q represents Het or Ar wherein said C3-8cycloalkyl, Het or Ar are optionally substituted with one or where possible two or more substituents selected from halo, C1-4alkyl, C1-4alkyloxy, hydroxy, nitro, NR R , C1-4alkyloxy substituted with one or where possible two, three or more substituents each independently selected from hydroxycarbonyl, Het and NR R , and C1-4alkyl substituted with one or where possible two or three halo substituents, preferably trifluoromethyl; R and R each independently represent hydrogen, C1-4alkyl, or C1-4alkyl substituted with phenyl; R and R each independently represent hydrogen or C1-4alkyl; R9 and R10 each independently represent hydrogen, C1-4alkyl or Cl-4alkyloxycarbonyl; L represents C1-4alkyl; Het represents a heterocycle selected from pyridinyl, thiophenyl, or 1,3-benzodioxolyl; Het represents piperidinyl, pyrrolidinyl or morpholinyl; Ar represents phenyl, naphtyl or indenyl.
摘要翻译:N-氧化物形式,其药学上可接受的加成盐和立体化学异构形式,其中n代表1或2的整数; R 1和R 2各自独立地表示氢C 1-4烷基,NR 9 R 10,C 1-4烷氧基; 或者R 1和R 2与它们所连接的碳原子一起形成C 3-6环烷基; 并且其中n是2时,可以不存在R 1或R 2以形成不饱和键; R 3代表C 6-12环烷基,优选选自环辛基和环己基,或者R 3代表具有下式之一的一价基团,其中所述C 6-12环烷基或一价基团可以任选被一个,或者 在可能的情况下两个,三个或更多个选自C 1-4烷基,C 1-4烷氧基,卤素或羟基的取代基; Q代表Het 1或Ar 2,其中所述C 3-8环烷基,Het 1或Ar 2任选被一个或在可能的情况下被两个或更多个选自卤素,C 1-4烷基,C 1-4烷氧基, 羟基,硝基,NR 5 R 6,被一个或在可能的情况下被两个,三个或更多个取代基取代的C 1-4烷氧基,所述取代基各自独立地选自羟基羰基,Het 2和NR 7 R 8,以及C1 被一个或在可能的情况下被两个或三个卤素取代基取代的芳基, R 5和R 6各自独立地表示氢,C 1-4烷基或被苯基取代的C 1-4烷基; R 1和R 8各自独立地表示氢或C 1-4烷基; R9和R10各自独立地表示氢,C1-4烷基或C1-4烷氧基羰基; L代表C 1-4烷基; Het 1表示选自吡啶基,噻吩基或1,3-苯并二氧杂环戊烯基的杂环; Het 2代表哌啶基,吡咯烷基或吗啉基; Ar 2代表苯基,萘基或茚基。
摘要:
A compound of formula (I) or (II): wherein A is hydrogen or CR 1 R 2 ; Y and Z are each, independently, hydrogen or a halogen;X is -NR 4 R 5 , or R 7 ; R 1 is hydrogen, or a substituted or unsubstituted alkyl or alkenyl group containing 1-4 carbon atoms; when X is -NR 4 R 5 , R 2 is a substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, aralkyl aralkenyl, or aralkynyl group, that optionally includes at least one heteroatom in its carbon skeleton and contains 1-12 carbon atoms; when X is R 7 , R 2 is an unsubstituted alkyl, alkenyl or alkynyl group, or a substituted or unsubstituted aryl, aralkyl aralkenyl, or aralkynyl group, that optionally includes at least one heteroatom in its carbon skeleton and contains 1-12 carbon atoms; R 3 is a substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, aralkyl aralkenyl, or aralkynyl group, that optionally includes at least one heteroatom in its carbon skeleton and contains 1-12 carbon atoms; R 4 is hydrogen, a substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, aralkyl aralkenyl, or aralkynyl group, that optionally includes at least one heteroatom in its carbon skeleton and contains 1-12 carbon atoms, -COOR 8 , or -COR 8 ; R 5 is hydrogen, or a substituted or unsubstituted alkyl or alkenyl group containing 1-5 carbon atoms; R 7 is an unsubstituted alkyl, alkenyl, or alkynyl group, that contains 1-4 carbon atoms; and, R 8 is an unsubstituted or halo-substituted alkyl, aryl, or aralkyl group, that contains 1-12 carbon atoms.
摘要翻译:式(I)或(II)的化合物:其中A是氢或CR 1 R 2; Y和Z各自独立地为氢或卤素; X为-NR 4 R 5或R 7; R 1是氢或含有1-4个碳原子的取代或未取代的烷基或链烯基; 当X是-NR 4 R 5时,R 2是取代或未取代的烷基,烯基,炔基,芳基,芳烷基芳烯基或芳炔基,其任选地在其碳骨架中包括至少一个杂原子,并且含有 1-12个碳原子; 当X是R 7时,R 2是未取代的烷基,烯基或炔基,或取代或未取代的芳基,芳烷基芳烯基或芳炔基,其任选地在其碳骨架中包含至少一个杂原子,并含有1 -12个碳原子; R 3是任选地在其碳骨架中包含至少一个杂原子并且含有1-12个碳原子的取代或未取代的烷基,烯基,炔基,芳基,芳烷基芳烯基或芳炔基, R 4是氢,取代或未取代的烷基,烯基,炔基,芳基,芳烷基芳烯基或芳炔基,其任选地在其碳骨架中包含至少一个杂原子并含有1-12个碳原子,-COOR 8 或-COR 8; R 5是氢或含有1-5个碳原子的取代或未取代的烷基或链烯基; R 7是含有1-4个碳原子的未取代的烷基,烯基或炔基; 并且R 8是含有1-12个碳原子的未取代或卤素取代的烷基,芳基或芳烷基。
摘要:
The present invention relates to 1,3-dioxoindene derivatives, pharmaceutically acceptable salts or optical isomers thereof, a preparation method for same, and a pharmaceutical composition containing same as an active ingredient with antiviral activity. The 1,3-dioxoindene derivatives of formula (1) according to the present invention have low cyto-toxicity, and can also demonstrate utility as pharmaceutical compositions for preventing or treating viral diseases such as: polio, viral paralysis, acute hemorrhagic conjunctivitis, viral meningitis, hand-foot-mouth disease, blistering diseases, hepatitis A, myositis, myocarditis, pancreatitis, viral diabetes, epidemic myalgia, encephalitis, flu, herpes angina, foot-and-mouth disease, asthma, chronic obstructive pulmonary disease, pneumonia, sinusitis, otitis media, and the like, since excellent antiviral activity against picornaviruses such as Coxsackie virus, enterovirus, echovirus, polio virus, rhinovirus, and the like, have been demonstrated.
摘要:
The present invention concerns colchicine derived compounds, a process for their preparation and use thereof in medical field. In particular, the invention concerns the synthesis of colchicine conjugates and derivatives with a carrier molecule aimed to the antifibrotic treatment of chronic hepatic diseases.
摘要:
The present invention relates to compounds of formula wherein Ar 1 and Ar 2 are independently from each other unsubstituted or substituted aryl or heteroaryl; R 1 /R 2 are independently from each other hydrogen, lower alkyl, lower alkyl substituted by halogen, -(CH 2 ) o -O-lower alkyl, -(CH 2 ) o -N-(lower alkyl) 2 , (CH 2 )p -cycloalkyl, (CH 2 ) p -heterocycloalkyl, (CH 2 ) p -aryl, (CH 2 ) p -heteroaryl, which rings may be substituted by R, or R 1 and R 2 may form together with the N-atom to which they are attached a heterocyclic ring, optionally with further ring-heteroatoms selected from N, O or S, which ring may be substituted by R; R is halogen, lower alkyl, lower alkyl substituted by halogen, lower alkoxy or lower alkoxy substituted by halogen; R 3 is hydrogen or lower alkyl; n is O, 1, 2, 3 or 4; o is 1, 2 or 3; P is 0, 1 or 2; or to pharmaceutically suitable acid addition salts, optically pure enantiomers, racemates or diastereomeric mixtures thereof. It has been found that the compounds of formula I are orexin receptor antagonists and the related compounds may be useful in the treatment of disorders, in which orexin pathways are involved like sleep disorders.
摘要:
Chemical agents, such as derivatives of quinone, and including salts thereof, that modulate levels of gene expression in cellular systems, including cancer cells, are disclosed, along with methods for preparing such agents, as well as pharmaceutical compositions containing such agents as active ingredients and methods of using these as therapeutic agents.
摘要:
Formula (I) compounds are described where the groups are as defined in the description, as well as processes for their preparation and their use as medicaments, particularly for the preparation of medicaments with phosphodiesterase IV inhibitory activity.