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Methan(2H)ol → 1-(4-Methoxyphenyl)-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Methan(2H)ol | HCID 123113 | — |
| 反応物 | 4-Ethoxycarbonyl-2-[4-methoxyphenyl]-3-pyrazolin-5-one | HCID 20269015 | — |
| 生成物 | 1-(4-Methoxyphenyl)-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid | HCID 20269046 | — |
反応手順
The ester prepared as described above in (a) was converted to the title acid in a manner analogous to example 11(b). The acid possessed νmax (nujol) 1690, 1670, 1599, 1580, 1575,cm-1, δ(CH3OD|D6DMSO) 3.78 (3H,s,--OMe), 7.00 (2H,d,J9 Hz, protons o to --OMe), 7.66 (2H,d,J9 Hz, protons m to --OMe), 8.45(1H,s, C3 -pyrazole proton). Found: M30, 234.0639; C11H10N2O4 requires M,234.0641.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04537886 |
| 出典データセット | uspto-grants-1985_08 |
| ORD ID | ord-3397bc01df18497792a0ad9bbb5eb50d |
| 出典メモ | uspto-grants-1985_08 |