Richter Gedeon Vegyeszeti Gyar Rt

Geza Ivanyi

Lajos Kovacs

Laszlo Szporny

Gyorgy Hajos

Laszlo Denes

Istvan Schon

Maria Gazdag

Miklos Low

Olga Nyeki

Imre Peter

Lajos Balaspiri

Laszlo Varga

Gyorgy Dobo

Vince Varro

Botond Penke

Peter Pallai

Janos Lonovics

Tamas Berhardt

Judit Low, Nee Kaloczy

Iidiko Berhardt

Gizella Lorant

Zsuzsanna Muck

Kalman Kovacs

The present invention relates to a process for the preparation of high purity crystalline peptides Arg Lys Asp hydrate acetate and Arg Lys Asp Val from crude, amorphous peptides Arg Lys Asp and Arg Lys Asp Val hydrate acetate. The process is characterized in that

High purity crystalline peptides arglysasp and arglysaspval and a

A process for the preparation of L-aspartyl-(O-sulfato-L-tyrosyl)-L-methionyl-glycyl-L-tryptophyl-L-methion yl-L-aspartyl-L-phenylalanine amide, which comprises treating the protected octapeptide amide of the general formula (II) ##STR1## wherein X is BOC, Cbz or Ddz,

Process for the preparation of the cholecystokinin-pancreozymin

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Taksony, Hungary

Geza Ivanyi