Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Patent
1989-05-04
1990-07-17
Gray, Bruce
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ester doai
514567, C07C10178
Patent
active
049421760
ABSTRACT:
A description is given of a process for the preparation of a compound of the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 (identical or different) represent H, alkyl having 1-2 carbon atoms and F, Cl, Br or I;
REFERENCES:
patent: 3632636 (1972-01-01), Wei et al.
Allan et al., Medical Research Reviews, vol. 3, No. 2, 91-118 (1983).
Wangemann et al., "CI.sup.- -Channel Blockers in the Thick Ascending Limb of the Loop of Henle. Structure Activity Relationship", 1986, pp. 128-141.
Englert Heinrich C.
Greger Rainer
Hropot Max
Lang Hans-Jochen
Gray Bruce
Hoechst Aktiengellschaft
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