ChemicalBook CAS DataBase List 2-(Hydroxyimino)acetoacetic acid tert-butyl ester

2-(Hydroxyimino)acetoacetic acid tert-butyl ester synthesis

2synthesis methods

Product Name:2-(Hydroxyimino)acetoacetic acid tert-butyl ester
CAS Number:14352-65-9
Molecular formula:C8H13NO4
Molecular Weight:187.19

Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

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2-(Hydroxyimino)acetoacetic acid tert-butyl ester

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Yield:-

Reaction Conditions:

with sodium nitrite in acetic acid at 20;

Steps:

48 5-(5-Bromo-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (2-dimethylamino-ethyl)amide
EXAMPLE 48 (FROM TABLE 1) 5-(5-Bromo-2-oxo-1,2-dihydroindol-3-ylidenemethyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (2-dimethylamino-ethyl)amide A mixture of tert-butyl 3-oxobutyrate and sodium nitrite (1 equiv.) in acetic acid was stirred at room temperature to give tert-butyl-2-hydroximino-3-oxobutyrate.

References:

Sugen, Inc. US6878733, 2005, B1 Location in patent:Page/Page column 195

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References