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Uszycka-Horawa, T; Kroszczynski, W.

Boll Chim Farm ; 129(6): 230-2, 1990 Jun.

Article in English | MEDLINE | ID: mdl-2073379

ABSTRACT

An HPLC procedure was developed to separate diacetate of prednisolone from its potential synthetic impurities. Some standard compounds were synthesized and characterized.

Subject(s)

Prednisolone/chemistry , Acetylation , Chromatography, High Pressure Liquid

Biosynthesis of mycophenolic acid.

Canonica, L; Kroszczynski, W; Ranzi, B M; Rindone, B; Santaniello, E; Scolastico, C.

J Chem Soc Perkin 1 ; 21: 2639-43, 1972.

Article in English | MEDLINE | ID: mdl-4674609

Subject(s)

Mycophenolic Acid/biosynthesis , Penicillium/metabolism , Carbon Isotopes , Farnesol/isolation & purification , Phthalic Acids/isolation & purification

An intramolecular Michael reaction of 2-alpha-(2'-nitroethyl)-17-alpha-methyl-4-androsten-17-beta-ol-3-one.

Kocór, M; Kroszczynski, W.

Tetrahedron Lett ; (59): 5143-4, 1970 Dec.

Article in English | MEDLINE | ID: mdl-5501334

Subject(s)

Androstanes , Chemical Phenomena , Chemistry

[Cardenolide glycosides. XVII. Isolation of a complex of the active substances from Convallaria majalis herb]. / Glikozydy kardenolidowe. XVII. Otrzymywanie zespolu cial czynnych z ziela konwalii.

Lukaszewski, M; Kroszczynski, W; Konecka, M; Budzynska, M; Ozarowski, A.

Acta Pol Pharm ; 23(5): 459-63, 1966.

Article in Polish | MEDLINE | ID: mdl-6006332

Subject(s)

Cardiac Glycosides/analysis , Plants, Medicinal/analysis , Chemistry, Pharmaceutical

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