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Imidazole → Clotrimazole
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Imidazole | HCID 795 | — |
| 反応物 | (2-Chlorophenyl)diphenylmethanol | HCID 298659 | — |
| 反応物 | Diphenoxyphosphanolate | HCID 23418553 | — |
| 溶媒 | Toluene | HCID 1140 | — |
| 生成物 | Clotrimazole | HCID 2812 | 74.5% |
反応手順
A mixture of toluene (20 ml), diphenyl phosphite (2.07 g, 6.7 mmole), imidazole (1.09 g, 16 mmole) and o-chlorophenyldiphenylmethanol (2.95 g, 10 mmole) obtained in Example 1 (A) was refluxed for 4 hours. After cooling to room temperature, the reaction mixture was washed with a 5% aqueous potassium hydroxide solution (20 ml). The toluene layer was separated, washed with water, dried and evaporated to give a crystalline mass. Recrystallization from acetonitrile gave 2.57 g of 1-(o-chlorophenyldiphenylmethyl)imidazole. Yield, 74.5%. M.P., 142°-143° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04216333 |
| 出典データセット | uspto-grants-1980_08 |
| ORD ID | ord-6b51a589ee774ba8b2f4acd0943309c5 |
| 出典メモ | uspto-grants-1980_08 |