Alkaloida Vegyeszeti Gyar

Chinoin Gyogyszer Es Vegyeszeti

Alkaloida Vegyeszeti Gyar Tiszavasvari

Istvan Gyoker

Jozsef Knoll

Janos Repasi

Sandor Makleit

Imre Gulyas

Laszlo Litkei

Sandor Berenyi

Geza Kiss

Gyorgy Toth

Attila Zoltai

Sandor Elek

Terez Mile

Tibor Timar

Rezso Bognar

Zoltan Salamon

Miklos I Zsuga

Kalman Zsupan

Jozsef Nagy

Tibor Kelen

Magdolna Bene

Judit Barkanyi

Reszo Bognar

Sandor Ondi

Marta Brendel Nee Hajnoczki

Agota Repasi

Istvan Csorvassy

Gabor Somogyi

E Biro Nee Czapary

Istvan Fodor

Istvan Szentkiralyi

Controlled release pharmaceutical preparations are prepared by homogenizing an organic or inorganic pharmaceutical active substance such as an opium alkaloid or its salts, an opium antagonist or its salts, an aliphatic or aromatic amine derivative or its salts, a phenolate type medicament, or Zn, Fe, Mg, K, Na salts, a fatty acid or its salt necessary to achieve a continuous phase transfer and an ethylene vinyl acetate copolymer and formulating the resulting homogeneous mixture by

Controlled release pharmaceutical preparation and process for preparing

N-phosphonomethylglycine is prepared from glycine and parsformaldehyde to obtain an intermediate which is reacted with dialkylphosphite to obtain an ester of the desired compound which is then hydrolyzed.

Process for the preparation of N-phosphonomethyl-glycine

Azidoethylmorphine, a new 7,8-dihydroisomorphine derivative, has excellent antitussive effects without respiration depression.

7,8-Dihydroisomorphine derivative, namely azidoethylmorphine

A process for the preparation of pharmaceutically acceptable 3-protected derivatives of 6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine, selected from the group which consists of 3-O-acetyl-6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine, 3-O-tetrahydropyranyl-6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine and 3-O-methylenemethoxy-6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine, and the salts of these compounds which comprise the following steps:

6-Deoxy-6-azido-14-hydroxy-7,8-dihydroisomorphine or a pharmaceutically

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Tiszavasvari, Hungary

Istvan Gyoker