Pyridinium hydrobromide → HCID 54288253, compound

HRID 463396Notes

Reaction equation

HRID 463396 reaction equation
[CH3:1][O:2][N:3]=[C:4]([C:10]([O:15][CH2:16][CH3:17])([O:12][CH2:13][CH3:14])[CH3:11])[C:5]([O:7][CH2:8][CH3:9])=[O:6].[BrH:18].[NH+]1C=CC=CC=1>O1CCCC1>[CH3:1][O:2][N:3]=[C:4]([C:10]([O:15][CH2:16][CH3:17])([O:12][CH2:13][CH3:14])[CH2:11][Br:18])[C:5]([O:7][CH2:8][CH3:9])=[O:6]

Participants

4

Reactant 2

HCID 21226041Pyridinium hydrobromideHCID 54175375HCID 54175375, compound

Product 1

HCID 54288253HCID 54288253, compound

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

Ethyl 2-methoxyimino-3,3-diethoxybutyrate (syn isomer, 10.0 g), pyridinium hydrobromide perbromide (15.5 g) and tetrahydrofuran (100 ml) were treated in a similar manner to that of Example 8 (2) to give ethyl 2-methoxyimino-3,3-diethoxy-4-bromobutyrate (syn isomer, 16.20 g).

Sources & evidence

ORD record
ord-fedc18279f2c41e39a7646f546a1f17a
Source dataset
uspto-grants-1985_05
Patent number
US04518774

Reaction notes

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