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Diisopropylethylamine → 2-{4-[(R)-3-Hydroxy-1-(6-methyl-pyridin-3-yl)-propylamino]-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl}-5-methyl-benzonitrile
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Diisopropylethylamine | HCID 81531 | — |
| 反応物 | (R)-3-Amino-3-(6-methylpyridin-3-yl)propan-1-ol | HCID 58103597 | — |
| 反応物 | 2-(4-Chloro-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-5-methylbenzonitrile | HCID 59840688 | — |
| 溶媒 | Acetonitrile | HCID 6342 | — |
| 生成物 | 2-{4-[(R)-3-Hydroxy-1-(6-methyl-pyridin-3-yl)-propylamino]-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl}-5-methyl-benzonitrile | HCID 25062677 | 33.3% |
反応手順
A reaction mixture of 2-(4-chloro-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-5-methylbenzonitrile (60 mg, 0.21 mmol) and (R)-3-amino-3-(6-methylpyridin-3-yl)propan-1-ol (35 mg, 0.21 mmol) in acetonitrile (2 mL) and N,N-diisopropylethylamine (73 μL, 0.42 mmol) was subjected to microwave irradiation at 180° C. for 3 h. The reaction mixture was concentrated and the residue was purified by silica gel column (0-30% MeOH/CH2Cl2) followed by preparative HPLC (100×20.2 mm, C18 column; 20-50% CH3CN-water [10 mM Et2NH]) to yield an off-white solid (29 mg).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08076345B2 |
| 出典データセット | uspto-grants-2011_12 |
| ORD ID | ord-80a7b8ec5c8d48539e324f819317b788 |
| 出典メモ | uspto-grants-2011_12 |