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Results for “MALIC ACID”

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PubMed1930

THE TAUTOMERIC FORM OF MALIC ACID.

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Journal Article↗

PubMed2002

A new approach for asymmetric synthesis of (R)-3-methylpyrrolidine alkaloids from (S)-malic acid.

Diastereoselective methylation of dimethyl (S)-malate 7, followed by two, three-step reductive de-hydroxylation procedures afforded dimethyl (R)-2-methylsuccinate 11 in 80.2% e.e. and 84.7% e.e., respectively. The latter compound was further transformed into the natural enantiomers of the ant venom alkaloids (R)-leptothoracine 1 and (R)-3-methyl-N-(2-phenylethyl)-pyrrolidine 2.

Alkaloids↗

PubMed1968

Age and sex differences in lactic and malic acid dehydrogenases in the C57BL-6 mouse liver.

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Age Factors↗

PubMed1953

Conversion of C-Labeled Acetate to Citric and Malic Acids in the Tomato Fruit.

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Journal Article↗

PubMed1954

The Effect of Temperature on the Behavior of Malic Acid and Starch in Leaves of Bryophyllum calycinum Cultured in Darkness.

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Journal Article↗

PubMed1956

The Conversion of CO(2) and CH(3)-CO-COOH to Citric and Malic Acids in the Tomato Fruits.

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Journal Article↗

PubMed1958

The Fixation of CO(2) into Tartaric and Malic Acids of Excised Grape Leaves.

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Journal Article↗

PubMed1975

Effects of osmotic gradients on vacuolar malic Acid storage: a basic principle in oscillatory behavior of crassulacean Acid metabolism.

Malate synthesis by CO(2) dark fixation and malate accumulation in the vacuoles of leaf slices of Kalanchoë daigremontiana Hamet et Perrier, a plant performing crassulacean acid metabolism, occurs only in external solutions where the osmotic pressure difference between the cells and the medium is low. Conversely, malate loss from the vacuoles depends on a high osmotic pressure difference between the cells and the medium and is observed in media of low osmotic pressure. This suggests that the diurnal oscillations of malate levels in crassulacean acid metabolism leaf cells are regulated by osmotic gradients. These findings support a model which is introduced to explain how the rhythm of crassulacean acid metabolism may function in the intact plant.

Journal Article↗

PubMed1960