Synthesis of 5a,11b-propanonaphtho[1,2-e][1,2]-oxazepines as potential opioid analgesicsKRATZEL, M.Journal of the Chemical Society. Perkin transactions. I. 1994, Num 11, pp 1541-1543, issn 0300-922XArticle

6-AZA UND 7-AZACODEINONE = AZA-6 ET AZA-7CODEINONEBOES M; FLEISCHHACKER W; KRATZEL M et al.1982; J. HETEROCYCL. CHEM.; ISSN 0022-152X; USA; DA. 1982; VOL. 19; NO 5; PP. 1113-1115; ABS. ENG; BIBL. 5 REF.Article

Eine neue Methode der optischen Indikation von Titrationen = A novel technique for optical indication of titrationsKRATZEL, M; BALTACIS, T.Pharmazie. 1994, Vol 49, Num 4, pp 242-245, issn 0031-7144Article

Synthesis, development and in vitro evaluation of drug delivery systems with protective effect against degradation by pepsinBERNKOP-SCHNÜRCH, A; KIRCHMAYER, R; KRATZEL, M et al.Journal of drug targeting. 1999, Vol 7, Num 1, pp 55-63, issn 1061-186XArticle

Binding and structure-activity-relation of benzo[f]isoquinoline- and norcodeinone-derivatives at μ-opioid receptors in the rat cerebral cortexFREISSMUTH, M; BEINDL, W; KRATZEL, M et al.British journal of pharmacology. 1993, Vol 110, Num 4, pp 1429-1436, issn 0007-1188Article

Auxiliary agents for the peroral administration of peptide and protein drugs : Synthesis and evaluation of novel pepstatin analoguesKRATZEL, M; HIESSBÖCK, R; BERNKOP-SCHNÜRCH, A et al.Journal of medicinal chemistry (Print). 1998, Vol 41, Num 13, pp 2339-2344, issn 0022-2623Article

Synthesis and in vitro multidrug resistance modulating activity of a series of dihydrobenzopyrans and tetrahydroquinolinesHIESSBÖCK, R; WOLF, C; RICHTER, E et al.Journal of medicinal chemistry (Print). 1999, Vol 42, Num 11, pp 1921-1926, issn 0022-2623Article

Generation of α-acetoxyglycine residues within peptide chains : a new strategy for the modification of oligopeptidesAPITZ, G; JÄGER, M; JAROCH, S et al.Tetrahedron (Oxford. Print). 1993, Vol 49, Num 36, issn 0040-4020, XV, 8223-8232 [11 p.]Article