戻る
化工社化工社 化学情報印刷レポート · 研究参考用
HRID 406942作成日:2026年10月26日

Hydrogen Bromide → (2R,4aR,10bR)-6-(2,6-Dimethoxy-pyridin-3-yl)-9-ethoxy-8-methoxy-1,2,3,4,4a,10b-hexahydro-phenanthridin-2-ol hydrobromide

https://huagongshe.com/reaction/406942

反応式

関与物質

役割名称HCID仕込み量
反応物Hydrogen BromideHCID 260—
反応物(2R,4aR,10bR)-6-(2,6-Dimethoxy-pyridin-3-yl)-9-ethoxy-8-methoxy-1,2,3,4,4a,10b-hexahydro-phenanthridin-2-olHCID 11258441—
溶媒Methyl Isobutyl KetoneHCID 7909—
生成物(2R,4aR,10bR)-6-(2,6-Dimethoxy-pyridin-3-yl)-9-ethoxy-8-methoxy-1,2,3,4,4a,10b-hexahydro-phenanthridin-2-ol hydrobromideHCID 6702266997%

反応条件

温度60 °C

反応手順

(2R,4aR,10bR)-6-(2,6-Dimethoxy-pyridin-3-yl)-9-ethoxy-8-methoxy-1,2,3,4,4a,10b-hexahydro-phenanthridin-2-ol (1.2 g; 2.9 mmol) is dissolved in 7.2 ml of 4-methyl-2-pentanone. The solution is heated up to 60° C. 350 μl (3.05 mmol) of aqueous HBr (W=47%) are added. After crystallisation the suspension is stirred over night. The crystals are filtered off and dried to obtain 1.38 g (97%) of the title compound (m.p.: 163° C.).

情報源と証拠

DOI10.6084/m9.figshare.5104873.v1
特許番号US08754218B2
出典データセットuspto-grants-2014_06
ORD IDord-a8cd826a849c4e509d6f6f90ee3790e1
出典メモuspto-grants-2014_06