Abscission compositions

Chemistry: fertilizers – Processes and products – Forms or conditioning

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536 4, A01N 900

Patent

active

040614891

ABSTRACT:
Abscission compositions containing as the active ingredients 2,3:4,6-di-O-(substituted)-2-keto-L-gulconic acids, salts and esters thereof and, preferably, 2,3:4,6-di-O-isopropylidene-2-keto-L-gulonic acid, its salts and esters are described.

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Kazimirova, "Cyclohexane Compounds of Monoses etc.," (1955), CA 50 p. 4898 (1956).
Reichstein et al., "Eine Ergiebige Synthese der-l-Ascorbinoaur, etc." (1934), Helv. Chim. Acta 17, pp. 311-328 (1934).
Hulyalkar et al., "Synthesis of L-Aeabinose-5-c.sup.14 " (1963), Can. J. Chem. 41, pp. 1898-1904 (1963).
BASF, "Antifoaming Agents" (1969), CA 72 No. 57023a., (1970).
Copper et al., "The Effect of Ascorbic Acid, etc.," (1967), CA. 67, No. 89938r, (1967),
Baig et al., "L-Ascorbic Acid Biosynthesis etc.," (1970), CA 74, No. 10425j, (1971).
Loewus et al., "Biosynthesis and Degradation etc.," (1970), CA 74, No. 108221g, (1971).
Tipson et al., "Infrared Absorption Spectra of Some etc.," (1959), J. of Res. of Nat. Bureau of Standards 62, pp. 257-263 & 282 (1959).

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