C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/475.3
C07C 101/72 (1985.01)
Patent
CA 1204448
Abstract of the Disclosure This application is directed to dihydroxybenzoyl-L- tyrosines and to a process for their preparation by the reaction of a dihydroxybenzoic acid with an acid addition salt of L- tyrosine-alkylester in the presence of an amine and the hydrolysis of the resultant dihydroxybenzoyl-L-tyrsine-alkylester. The compounds are useful in the preparation of secretin preparations having an intensified and protracted action.
416529
Bickel Martin
Geiger Rolf
Leeb Richard
Petri Walter
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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