Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1998-06-04
1999-05-25
Barts, Samuel
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562512, C07C 5300
Patent
active
059070609
ABSTRACT:
The present invention relates to a novel process for preparing 3,3-dimethylbutyric acid by reaction of trimethylpyruvic acid with hydrazine hydrate and treatment of the resulting hydrazone with a base.
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Stiller et al., "Synthesis and Antiinflammatory Activities . . . and Related Compounds", Journal of Medicinal Chemistry, Bd.15, Nr.10 (1972) pp. 1029-1032.
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Barts Samuel
Bayer Aktiengesellschaft
Keys Rosalynd
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