Process for preparing N-substituted 3-hydroxypyrazoles
N-substituovan 3-hydroxypyrazoly vzorce I, ve kter m znamen R.sup.1.n. n kter² ze substituent alkyl, aryl nebo heteroaryl, R.sup.2.n., R.sup.3.n. vod k, halogen, kyanov skupina nebo n kter² ze substituent alkyl, aryl nebo heteroaryl, se p°ipravuj oxidac odpov daj c ho pyrazolidin-3-onu.\ In the pres...
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| Main Authors | , , , |
|---|---|
| Format | Patent |
| Language | Czech English |
| Published |
17.10.2001
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | N-substituovan 3-hydroxypyrazoly vzorce I, ve kter m znamen R.sup.1.n. n kter² ze substituent alkyl, aryl nebo heteroaryl, R.sup.2.n., R.sup.3.n. vod k, halogen, kyanov skupina nebo n kter² ze substituent alkyl, aryl nebo heteroaryl, se p°ipravuj oxidac odpov daj c ho pyrazolidin-3-onu.\
In the present invention there are disclosed N-substituted 3-hydroxypyrazoles of the general formula I, in which Re1 represents some of the substituent being selected from a group comprising alkyl, aryl or heteroaryl, Re2, Re3 are hydrogen, halogen, a cyano group or some of the substituents being selected from a group comprising alkyl, aryl or heteroaryl. The invented compounds are prepared by oxidation of a corresponding pyrazolidin-3-one. |
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| AbstractList | N-substituovan 3-hydroxypyrazoly vzorce I, ve kter m znamen R.sup.1.n. n kter² ze substituent alkyl, aryl nebo heteroaryl, R.sup.2.n., R.sup.3.n. vod k, halogen, kyanov skupina nebo n kter² ze substituent alkyl, aryl nebo heteroaryl, se p°ipravuj oxidac odpov daj c ho pyrazolidin-3-onu.\
In the present invention there are disclosed N-substituted 3-hydroxypyrazoles of the general formula I, in which Re1 represents some of the substituent being selected from a group comprising alkyl, aryl or heteroaryl, Re2, Re3 are hydrogen, halogen, a cyano group or some of the substituents being selected from a group comprising alkyl, aryl or heteroaryl. The invented compounds are prepared by oxidation of a corresponding pyrazolidin-3-one. |
| Author | KONIG HARTMANN DR GOTZ NORBERT DR KLEIN ULRICH DR ELLER KARSTEN DR |
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| Snippet | N-substituovan 3-hydroxypyrazoly vzorce I, ve kter m znamen R.sup.1.n. n kter² ze substituent alkyl, aryl nebo heteroaryl, R.sup.2.n., R.sup.3.n. vod k,... |
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| Title | Process for preparing N-substituted 3-hydroxypyrazoles |
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