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
Reaction equation
[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]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
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.).
Sources & evidence
- ORD record
- ord-cb3e44de4a254779910a9533e1d98742
- Source dataset
- uspto-grants-1983_10
- Patent number
- US04411898
Reaction notes
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