Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1993-12-01
1996-02-06
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C23305
Patent
active
054897084
ABSTRACT:
The reduction of the O-alkyl isomer content of 5-[N-(2-acetoxyethyl)acetoxyacetamido]-N,N'-bis(2,3-diacetoxypropyl)-2,4,6 -triiodoisophthalamide to thereby reduce and/or eliminate the production of impurities comparatively more difficult to remove during the purification of crude ioversol.
REFERENCES:
patent: 503587 (1991-07-01), Sovak et al.
patent: 5004835 (1991-04-01), Blaszkiewicz et al.
patent: 5019371 (1991-05-01), Lin et al.
patent: 5043152 (1991-08-01), Schaefer et al.
Bailey Allan R.
Kneller Mills T.
Sathe Sharad S.
Spears Andre T.
Wisneski Richard C.
Burn Brian M.
Hollrah Glennon H.
Mallinckrodt Medical Inc.
Stierwalt Brian K.
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