Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1973-11-29
1978-02-14
Thomas, Jr., James O.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544171, 548362, 548363, 560172, 26029351, 2602937, 26029388, 2604655R, 260514G, 260534R, C07D23108
Patent
active
040740510
ABSTRACT:
3-Pyrazolidinone compounds having a solubility of at least 12 grams/liter in an aqueous medium of pH 9 of the formula: ##STR1## wherein R is a mononuclear phenyl group having substituents in the 3, 4, or 5 positions with a total of no more than 4 non-metallic atoms with an atomic number greater than 1 and the total mass of the substituents being less than that of benzene,
REFERENCES:
patent: 3178441 (1965-04-01), Ficken
patent: 3221023 (1965-11-01), Marle et al.
patent: 3247201 (1966-04-01), Marle et al.
Ilford Ltd., C.A., vol. 68:39630j, 1968.
Alexander Cruzan
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Shippen Michael
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