Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Ravizza SA
Ravizza SpA
Original Assignee
Ravizza SA
Ravizza SpA
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Filing date
Publication date
Application filed by Ravizza SA, Ravizza SpAfiledCriticalRavizza SA
Publication of ES301656A1publicationCriticalpatent/ES301656A1/en
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/33—Heterocyclic compounds
A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
A61K31/551—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
A61K31/5513—1,4-Benzodiazepines, e.g. diazepam or clozapine
Abstract
"Procedure for obtaining 1,4-benzodiazopin-2-one" of formula **(See formula)** in which it is an alkyl or aralkyl group, R2 is an alkyl or aralkyl group, R3 is hydrogen/an alkyl or aralkyl group, or also in which R2 and R3 are an alicyclic group, characterized in that the derivatives N -monosubstituted 2-amino-5-chlorobenzophenone are reacted in a solvent with the halide of a salified alpha-amino acid. (Machine-translation by Google Translate, not legally binding)
ES0301656A1963-07-171964-07-03Procedure for obtaining 1,4-benzodiazopin-2-onas. (Machine-translation by Google Translate, not legally binding)
ExpiredES301656A1
(en)
Procedimine for the obtaining of derivatives of the acid p- [cumarinyl- (3)] - phenyl carbamine (Machine-translation by Google Translate, not legally binding)