Государственный научный центр лекарственных средств
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Application filed by Державний Науковий Центр Лікарських Засобів, Государственный научный центр лекарственных средствfiledCriticalДержавний Науковий Центр Лікарських Засобів
Priority to UA4196594ApriorityCriticalpatent/UA14456A1/en
Publication of UA14456A1publicationCriticalpatent/UA14456A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process for preparation of Hiperozid provides the extraction of amber grass (Hypericum perforatum) with ethyl alcohol, evaporation, purification, recrystalisation and drying. For the purpose of increasing product yield the wastes of Novoimaninum production are used as a row material, and purifucation is carried out with mixture of chloroform and ethyl alcohol followed by extraction of semi-product with n-butanol.
UA4196594A1987-02-191987-02-19Process for preparation of hiperozid
UA14456A1
(en)
NEW ESTERS OF O-PYRAZOLOPYRIMIDINE- (THIONO-PHOSPHORIC) ACIDS (PHOSPHONICS), THEIR PREPARATION PROCESS AND THEIR APPLICATION AS INSECTICIDES AND ACARICIDES