Water → HCID 21447172, 화합물
반응식
C[O:2][C:3]1[C:8]([O:9]C)=[CH:7][C:6]2[C:11]3[CH2:16][CH2:15][N:14]([CH2:17][CH2:18][N:19]4[CH2:24][CH2:23][CH2:22][CH2:21][CH2:20]4)[CH2:13][C:12]=3[C:25](=[O:27])[O:26][C:5]=2[CH:4]=1.O>Br>[OH:2][C:3]1[C:8]([OH:9])=[CH:7][C:6]2[C:11]3[CH2:16][CH2:15][N:14]([CH2:17][CH2:18][N:19]4[CH2:20][CH2:21][CH2:22][CH2:23][CH2:24]4)[CH2:13][C:12]=3[C:25](=[O:27])[O:26][C:5]=2[CH:4]=1참가 물질
4
실험 절차
A solution of 4.7 g of 1,2,3,4-tetrahydro-8,9-dimethoxy-3-(2-piperidinoethyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one in 70 cc of 48% HBr was refluxed for 17 hr and cooled. Precipitate was cryst from water affording 2.8 g of product; mp 291°-295°C.
후처리
- temperaturecooled
출처 및 근거
- ORD 기록
- ord-d0f8ae5c22e7423a99535b68e0d29f43
- 출처 데이터셋
- uspto-grants-1976_06
- 특허 번호
- US03961057
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