Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1981-07-29
1983-03-01
Ramsuer, Robert W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C07D29514
Patent
active
043755437
ABSTRACT:
The present invention relates to the novel compound N-[3-(1'-3"-Oxapentamethyleneamino-ethylideneamino)-2,4,6-triiodobenzoyl]- .beta.-amino-.alpha.methylpropionitrile which due to the sparing solubility in water, can be purified readily in a simple manner and can be used for the preparation of the known active compound for agents for peroral rapid cholecystography N-[3-(1'-3"-oxapentamethyleneamino-ethylideneamino)-2,4,6-triiodobenzoyl]- .beta.-amino-.alpha.-methyl propionic acid.
REFERENCES:
patent: 3890318 (1975-06-01), Obendorf et al.
Wolfe, "The Chemistry of Amidines" (1978) pp. 349-356, S. Patai, ed., John Wiley.
Royals, Advanced Organic Chemistry, p. 594.
Krieger Josef
Wieser Josef
Chemie Linz Aktiengesellschaft
Ramsuer Robert W.
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