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N-(3,4-dimethoxybenzyl)-7-(2-fluorobenzyl)4-(2-furyl)-7H-pyrrolo[2,3-d]pyrimidine-2-amine → 7-(2-fluorobenzyl)-4-(2-furyl)-7H-pyrrolo[2,3-d]pyrimidine-2-amine
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | N-(3,4-dimethoxybenzyl)-7-(2-fluorobenzyl)4-(2-furyl)-7H-pyrrolo[2,3-d]pyrimidine-2-amine | HCID 21976416 | — |
| 溶媒 | Trifluoroacetic acid | HCID 6422 | — |
| 生成物 | 7-(2-fluorobenzyl)-4-(2-furyl)-7H-pyrrolo[2,3-d]pyrimidine-2-amine | HCID 9904688 | 51.4% |
反応手順
A solution of N-(3,4-dimethoxybenzyl)-7-(2-fluorobenzyl)-4-(2-furyl)-7H-pyrrolo[2,3-d]pyrimidine-2-amine (110 mg, 0.24 mmol) in TFA (1 mL) was heated to 50° C. for 3 h, concentrated in vacuo, treated with saturated NaHCO3, extracted with EtOAc, dried (MgSO4), concentrated in vacuo, purified by chromatography (EtOAc:Heptane, 1:4) and recrystallised (EtOAc) to give the title compound (38 mg, 51%) as a cream solid.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07598256B2 |
| 出典データセット | uspto-grants-2009_10 |
| ORD ID | ord-68e1ff68f695491190d186ccfc8eedaf |
| 出典メモ | uspto-grants-2009_10 |