Ethyl 2-(2,3-dihydro-1,4-dithiin-6-yl)-2-methoxyiminoacetate → 2-Methoxyimino-2-(2,3-dihydro-1,4-dithiin-5-yl)acetic acid
反応式
[CH3:1][O:2][N:3]=[C:4]([C:10]1[S:11][CH2:12][CH2:13][S:14][CH:15]=1)[C:5]([O:7]CC)=[O:6]>[OH-].[Na+]>[CH3:1][O:2][N:3]=[C:4]([C:10]1[S:11][CH2:12][CH2:13][S:14][CH:15]=1)[C:5]([OH:7])=[O:6]参加物
3
実験手順
Ethyl 2-methoxyimino-2-(2,3-dihydro-1,4-dithiin-5-yl)acetate (syn isomer) (2.47 g) was treated with 1 N aqueous solution of sodium hydroxide (20 ml.) according to similar manners to those of Examples 1 (a) (5), 2 (a) (3) and 3(a) (3) to give 2-methoxyimino-2-(2,3-dihydro-1,4-dithiin-5-yl)acetic acid (syn isomer) (2.0 g.), mp. 120° to 122° C. (dec.).
出典と根拠
- ORDレコード
- ord-9616d95192fa459cac306c8a31b6f495
- 出典データセット
- uspto-grants-1981_09
- 特許番号
- US04288436
反応ノート
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