1'-benzyloxy-2,3-dihydro-6-fluoro-2-(2-propyl)-spiro-(4H-1-benzopyran-4,3'-pyrrolidine)-2'one → 1'-hydroxy-2,3-dihydro-6-fluoro-2-(2-propyl)-spiro-(4H-1-benzopyran-4,3'-pyrrolidine)-2'-one
反応式
FC1C=CC2OC(CCC)CC(=O)C=2C=1.C([O:23][N:24]1[CH2:28][CH2:27][C:26]2([C:33]3[CH:34]=[C:35]([F:38])[CH:36]=[CH:37][C:32]=3[O:31][CH:30]([CH:39]([CH3:41])[CH3:40])[CH2:29]2)[C:25]1=[O:42])C1C=CC=CC=1.FC1C=CC2OC(CCC3C=CC=CC=3)CC(=O)C=2C=1>>[OH:23][N:24]1[CH2:28][CH2:27][C:26]2([C:33]3[CH:34]=[C:35]([F:38])[CH:36]=[CH:37][C:32]=3[O:31][CH:30]([CH:39]([CH3:40])[CH3:41])[CH2:29]2)[C:25]1=[O:42]参加物
4
反応物 3
生成物 1
実験手順
Prepared from 2,3-dihydro-6-fluoro-2-propyl-4H-1-benzopyran-4-one via the intermediacy of the less polar diasteromer of 1'-benzyloxy-2,3-dihydro-6-fluoro-2-(2-propyl)-spiro-(4H-1-benzopyran-4,3 '-pyrrolidine)-2'one (Rf=0.3, 1:1 diethyl ether/hexanes) using the same procedure as that used for preparation of Example 7 from 2,3-dihydro-6-fluoro-2-(2-phenylethyl)-4H-1-benzopyran-4-one.
出典と根拠
- ORDレコード
- ord-aa777baba79b4b3b98052a13d6ff17dc
- 出典データセット
- uspto-grants-1991_08
- 特許番号
- US05039672
反応ノート
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