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RU2002128352A - Производные 4,5-дигидро-1н-пиразола, обладающие cb1-антагонистической активностью - Google Patents

Производные 4,5-дигидро-1н-пиразола, обладающие cb1-антагонистической активностью

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RU2002128352A
RU2002128352A RU2002128352/04A RU2002128352A RU2002128352A RU 2002128352 A RU2002128352 A RU 2002128352A RU 2002128352/04 A RU2002128352/04 A RU 2002128352/04A RU 2002128352 A RU2002128352 A RU 2002128352A RU 2002128352 A RU2002128352 A RU 2002128352A
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Йозефус Х. М. ЛАНГЕ (NL)
Йозефус Х. М. Ланге
Корнелис Г. КРУСЕ (NL)
Корнелис Г. Крусе
Якобус ТИПКЕР (NL)
Якобус ТИПКЕР
Мартинус Т. М. ТЮЛП (NL)
Мартинус Т. М. ТЮЛП
ВЛИЕТ Бернардус Й. ВАН (NL)
ВЛИЕТ Бернардус Й. ВАН
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Солвей Фармасьютикалс Б.В. (Nl)
Солвей Фармасьютикалс Б.В.
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Claims (16)

1. Соединение формулы (I)
Figure 00000001
где R и R1 могут быть одинаковыми или различными и обозначают фенил, тиенил или пиридил, причем указанные группы могут быть замещены 1, 2 или 3 заместителями Y, которые могут быть одинаковыми или различными, из группы, включающей С1-3-алкил или алкокси, гидрокси, галоген, трифторметил, трифторметилтио, трифторметокси, нитро, амино, моно- или диалкил (С1-2) амино, моно- или диалкил (Сl-2) амидо, (С1-3) алкилсульфонил, диметилсульфамидо, С1-3-алкоксикарбонил, карбоксил, трифторметилсульфонил, циано, карбамоил, сульфамоил и ацетил, или R и/или R1, обозначают нафтил;
R2 обозначает водород, гидрокси, C1-3-алкокси, ацетилокси или пропионилокси;
Аа обозначает одну из групп (i), (ii), (iii), (iv) или (v)
Figure 00000002
Figure 00000003
Figure 00000004
Figure 00000006
где R4 и R5 независимо друг от друга обозначают водород или C1-8 разветвленный или неразветвленный алкил, или С3-8 циклоалкил или R4 обозначает ацетамидо или диметиламино, или 2,2,2-трифторэтил, или фенил, или пиридил, при условии, что R6 обозначает водород, R6 обозначает водород или C1-3 неразветвленный алкил;
Bb обозначает сульфонил или карбонил;
R3 обозначает бензил, фенил, тиенил или пиридил, которые могут быть замещены 1, 2 или 3 заместителями Y, которые могут быть одинаковыми или различными, или R3 обозначает C1-8 разветвленный или неразветвленный алкил или С3-8 циклоалкил, или R3 обозначает нафтил,
и его таутомеры, пролекарства и соли.
2. Соединение формулы (I) по п.1, отличающееся тем, что R обозначает 4-хлорфенильную группу, R1 обозначает фенил, R2 обозначает водород, Аа обозначает группу (i), в которой R4 обозначает водород и R5 обозначает метил, Bb обозначает сульфонил и R3 обозначает 4-хлорфенил, и его соли.
3. Фармацевтическая композиция, включающая по меньшей мере одно соединение по п.1 в качестве активного компонента.
4. Способ получения фармацевтических композиций, отличающийся тем, что соединение по п.1 переводят в форму, подходящую для введения.
5. Способ получения соединения общей формулы I, отличающийся тем, что a) получают соединение, в котором R, R1-R3 и Bb имеют значения, указанные в п.1, и Аа обозначает группу формулы (i) или (ii) по п.1, посредством 1) реакции соединения формулы (II) с гидразином или гидратом гидразина с получением соединения формулы (III), которое подвергают реакции с соединением формулы (IVa) или (IVb) с получением соединения формулы (V), которое подвергают реакции с соединением формулы R3-SO2X или R3-COX, где Х обозначает галоген, или 2) реакции соединения формулы (III) с тиоизоцианатом формулы (VI) с получением соединения формулы (VII), которое подвергают реакции с амином в присутствии соли ртути (II), или 3) реакции соединения формулы (III) с соединением формулы (VIII) с получением соединения формулы (IX), которое подвергают реакции с галогенирующим агентом с получением соединения формулы (X), которое подвергают реакции с амином, или 4) реакции соединения формулы (III) с соединением формулы (XI) с получением соединения формулы (XII), которое подвергают реакции с амином, или b) получают соединение, в котором R, R1-R3 и Bb имеют значения, указанные в п.1, и Аа обозначает группу формулы (iii) или (iv) по п.1, посредством реакции соединения формулы (III) с соединением формулы (XIII) или (XIV), или с) получают соединение, в котором R, R1-R3 и Bb имеют значения, указанные в п.1, и Аа обозначает группу формулы (v) по п.1, посредством реакции соединения формулы (III) с соединением формулы (XV) или (XVI) с получением соединения формулы (XVII), от которого удаляют защитную группу с получением соединения формулы (V), которое подвергают реакции с соединением формулы R3-SO2Х или R3-COX, где Х обозначает галоген, или с соединением формулы R3-COOH.
6. Соединение формулы (III)
Figure 00000007
где R2 обозначает гидроксигруппу;
R и R1 имеют значения, определенные в п.1.
7. Соединение формулы (V)
Figure 00000008
где Аа имеет значение (i), (ii) или (v) по п.1;
R, R1, и R2 имеют значения, определенные в п.1.
8. Соединение формулы (VII)
Figure 00000009
где R, R1, R2, R3 и Bb имеют значения, указанные в п.1.
9. Соединение формулы (IX)
Figure 00000010
где R, R1, R2, R3 и Bb имеют значения, указанные в п.1.
10. Соединение формулы (X)
Figure 00000011
где R, R1, R2, R3 и Bb имеют значения, указанные в п.1;
R8 обозначает атом галогена.
11. Соединение формулы (XII)
Figure 00000012
где R, R1, R2, R3 и Bb имеют значения, указанные в п.1;
R9 обозначает С1-3 алкильную группу.
12. Соединение формулы (XVII)
Figure 00000013
где R, R1 и R2 имеют значения, указанные в п.1;
Аа имеет значение (v) по п.1;
Prot обозначает так называемую защитную группу.
13. Способ лечения заболеваний, опосредованных CB1-рецептором, включающий введение пациенту эффективного количества соединения по п.1.
14. Способ по п.13, отличающийся тем, что заболеванием являются психиатрические заболевания, такие как психоз, беспокойство, депрессия, дефицит внимания, нарушения памяти и расстройства аппетита, ожирение, неврологические заболевания, такие как болезнь Паркинсона, деменция, дистония, болезнь Альцгеймера, эпилепсия, болезнь Хантингтона, болезнь Туретта, ишемия, болевые синдромы и другие заболевания ЦНС, включающие каннабиноидную нейротрансмиссию.
15. Способ по п.13, отличающийся тем, что заболеванием является желудочно-кишечные расстройства, включающие каннабиноидную нейротрансмиссию.
16. Способ по п.13, отличающийся тем, что заболеванием является сердечно-сосудистые заболевания, включающие каннабиноидную нейротрансмиссию.
RU2002128352/04A 2000-03-23 2001-03-22 Производные 4,5-дигидро-1н-пиразола, обладающие cb1-антагонистической активностью RU2245878C2 (ru)

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