Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1981-04-29
1984-04-03
Brown, Johnnie R.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
424183, C08B 3710
Patent
active
044409265
ABSTRACT:
Esters of heparin, which are derived from heparin by replacement of the carboxyl groups of heparin by groups of the formula: ##STR1## in which R is a hydrogen atom or a methyl group and A is a hydrogen atom or a methyl, phenyl, ##STR2## X representing a chlorine atom or a nitro, alkyl containing 1 to 4 carbon atoms or methoxy group and Y representing a hydrogen or chlorine atom, the replacement being a partial or total replacement when A is other than a hydrogen atom or a methyl or phenyl group and the replacement being a partial replacement corresponding to a 10% to 90% esterification percentage of the carboxyl groups when A is a hydrogen atom or a methyl or phenyl group, and the alkali metal, alkaline earth metal, magnesium, quaternary ammonium and amine salts of the said esters. These compounds are intermediate products for preparing medicaments.
REFERENCES:
patent: 3065140 (1962-11-01), Velluz et al.
patent: 3210250 (1965-10-01), Bucourt
patent: 3232837 (1966-02-01), Nomine et al.
patent: 3506642 (1970-04-01), Koh et al.
patent: 3835112 (1974-09-01), Mardiguian et al.
patent: 3891622 (1975-06-01), Mardiguian et al.
patent: 4331697 (1982-05-01), Kudo et al.
"Chem. Abst." vol. 77, 1972, P 121990w.
Brown Johnnie R.
Pharmindustrie
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