化工社化工社 化学情報印刷レポート · 研究参考用
2-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine → 7-(6-Chloropyridin-3-yl)-1-(2,5-dichlorobenzyl)-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine | HCID 2794719 | — |
| 反応物 | 1-(2,5-Dichlorobenzyl)-7-iodo-3,4-dihydro-1H-pyrido[2,3-b]pyrazine | HCID 57886079 | — |
| 生成物 | 7-(6-Chloropyridin-3-yl)-1-(2,5-dichlorobenzyl)-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine | HCID 57886075 | 54% |
反応手順
1-(2,5-Dichlorobenzyl)-7-iodo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (115 mg) was reacted with 2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine as in General Procedure 4B to give the title compound as a yellow solid (54% yield). M.p.=205° C., LCMS: m/z=405.57 (M+H+), 1H-NMR (CDCl3, 400 MHz) δ 3.50 (2H, t, J=4.8 Hz), 3.67 (2H, m), 4.49 (2H, s), 5.10 (1H, bs), 6.52 (1H, s), 7.21 (1H, dd, J=8.3, 2.3 Hz), 7.29 (2H, m), 7.35 (1H, d, J=8.3 Hz), 7.55 (2H, m), 8.36 (1H, d, J=2.5 Hz).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08080561B2 |
| 出典データセット | uspto-grants-2011_12 |
| ORD ID | ord-161233a6aaf54a968cf534f9632e4ce0 |
| 出典メモ | uspto-grants-2011_12 |