3-Chloro-1-propanol → 2,3-dihydro-8-(3-hydroxypropoxy)-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one
반응식
C(=O)([O-])O.[K+].[OH:6][C:7]1[C:8]([O:21][CH3:22])=[CH:9][C:10]2[O:15][C:14](=[O:16])[C:13]3[CH2:17][CH2:18][CH2:19][C:12]=3[C:11]=2[CH:20]=1.Cl[CH2:24][CH2:25][CH2:26][OH:27]>C(O)(C)C>[OH:27][CH2:26][CH2:25][CH2:24][O:6][C:7]1[C:8]([O:21][CH3:22])=[CH:9][C:10]2[O:15][C:14](=[O:16])[C:13]3[CH2:17][CH2:18][CH2:19][C:12]=3[C:11]=2[CH:20]=1참가 물질
5
실험 절차
Method J (but using potassium hydrogencarbonate); Starting materials: 2,3-dihydro-8-hydroxy-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one (example 109) and 3-chloro-1-propanol; yield 58%; fusion point 213°-215° C. (from isopropanol).
출처 및 근거
- ORD 기록
- ord-ce7b2c4cccf04c1c9483a6157345c6e0
- 출처 데이터셋
- uspto-grants-1995_06
- 특허 번호
- US05428038
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