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2,3-Methylenedioxyphenyl boronic acid → 2-(benzo[d][1,3]dioxol-4-yl)-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2,3-Methylenedioxyphenyl boronic acid | HCID 4192659 | — |
| 反応物 | HCID 86651560 | HCID 86651560 | — |
| 触媒 | Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+) | HCID 178418228 | — |
| 溶媒 | 1,4-Dioxane | HCID 31275 | — |
| 溶媒 | Sodium Bicarbonate | HCID 516892 | — |
| 生成物 | 2-(benzo[d][1,3]dioxol-4-yl)-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one | HCID 68195074 | — |
反応手順
The title compound was prepared in a manner similar to EXAMPLE 84 using 2-chloro-6a,7,9,10-tetrahydro-[1,4]oxazino[3,4-h]pteridin-6(5H)-one (PREPARATION x1, 50 mg, 0.208 mmol), benzo[d][1,3]dioxol-4-ylboronic acid (51.7 mg, 0.312 mmol) and PdCl2(dppf) (7.60 mg, 10.39 μmol) in dioxane (2 mL) and aqueous saturated NaHCO3 (0.4 mL). 1H NMR (400 MHz, DMSO-d6) δ 2.96-3.09 (m, 1H), 3.62 (m, 2H), 3.93-4.01 (m, 1H), 4.11-4.20 (m, 1H), 4.36-4.46 (m, 1H), 4.52-4.62 (m, 1H), 6.12 (s, 2H), 6.94 (t, 1H), 7.02 (m, 1H), 7.58-7.65 (m, 1H), 7.83 (s, 1H), 10.98 (s, 1H). ESI-MS m/z [M+H]+ calc'd for C16H14N4O4, 327.10. found 327.3.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08791107B2 |
| 出典データセット | uspto-grants-2014_07 |
| ORD ID | ord-7263f9a7806d4d1ca72d4c9b7bba59e0 |
| 出典メモ | uspto-grants-2014_07 |