BILDUNG VON CANTLEYIN ALS ARTEFAKT BEI DER AUFBEARBEITUNG VON DIPSACUS SILVESTRIS = LA FORMATION DE CANTLEYINE EN TANT QU'ARTEFACT LORS DU TRAITEMENT DE DIPSACUS SILVESTRISRIPPERGER H.1980; PHARMAZIE; DDR; DA. 1980; VOL. 35; NO 4; PP. 235; BIBL. 6 REF.Article

ISOLIERUNG VON STIGMAST-4-EN-3.6-DION AUS HAMELIA PATENS UND CLITORIA TERNATEA. = ISOLEMENT DE LA STIGMASTENE-4 DIONE-3,6 A PARTIR DE H.P. ET DE C.T.RIPPERGER H.1978; PHARMAZIE; DDR; DA. 1978; VOL. 33; NO 1; PP. 82-83; BIBL. 4 REF.Article

DARSTELLUNG DES CUCURBITACIN-GLYKOSIDS 25-O-ACETYL-BRYOAMARID. = PREPARATION DU GLYCOSIDE DE CUCURBITACINE-O-ACETYL-25 BRYOAMARIDERIPPERGER H.1976; Z. CHEM.; DTSCH.; DA. 1976; VOL. 16; NO 8; PP. 322; BIBL. 2 REF.Article

Steroidal alkaloid glycosides from Solanum uporoRIPPERGER, H.Phytochemistry. 1997, Vol 44, Num 4, pp 731-734, issn 0031-9422Article

Solanum alkaloids. CXXIV: Preparation of N-hydroxyspirosolane alkaloidsRIPPERGER, H.Liebigs Annalen der Chemie. 1992, Num 10, pp 1091-1093, issn 0170-2041Article

25-Isoetioline from two Solanum speciesRIPPERGER, H.Phytochemistry. 1990, Vol 29, Num 10, pp 3375-3376, issn 0031-9422Article

ZUR REAKTION VON 3BETA -ACETOXY-22,23-BIS-NOR-CHOL-5-EN-24-AL MIT METHYLISOPROPYLKETON = REACTION D'ACETOXY-3BETA BIS-NOR-22,23 CHOLENE-5 AL-24 AVEC LA METHYLISOPROPYLCETONERIPPERGER H; SCHREIBER K.1974; Z. CHEM.; DTSCH.; DA. 1974; VOL. 14; NO 7; PP. 273-274; BIBL. 2 REF.Article

DIE CUCURBITACINE VON CITRULLUS LANATUS VAR. CITROIDES. = LES CUCURBITACINES DE C.L. VAR. CRIPPERGER H; SEIFERT K.1975; TETRAHEDRON; G.B.; DA. 1975; VOL. 31; NO 13-14; PP. 1561-1563; ABS. ANGL.; BIBL. 16 REF.Article

¹³C NMR SPECTROSCOPY OF SOLANUM STEROID ALKALOIDS.RADEGLIA R; ADAM G; RIPPERGER H et al.1977; TETRAHEDRON LETTERS; G.B.; DA. 1977; NO 11; PP. 903-906; BIBL. 9 REF.Article

SYNTHESEN RADIOAKTIV MARKIERTER VERBINDUNGEN; DARSTELLUNG VON 5BETA -PREGNAN-3,20-DION-(4BETA ,5BETA -³H) = SYNTHESES DE COMPOSES MARQUES; PREPARATION DE PREGNANE-5BETA DIONE-3,20 (³H-4BETA ,5BETA )ROEMER J; WUERZEL B; RIPPERGER H et al.1979; Z. CHEM.; DDR; DA. 1979; VOL. 19; NO 6; PP. 216; BIBL. 6 REF.Article

First isolation of physalins from the genus Saracha of SolanaceaeRIPPERGER, H; KAMPERDICK, C.Pharmazie. 1998, Vol 53, Num 2, pp 144-145, issn 0031-7144Article

Solanum alkaloids, CXXVIII: Steroid alkaloid glycosides from Solanum robustumRIPPERGER, H; PORZEL, A.Liebigs Annalen der Chemie. 1994, Num 5, pp 517-520, issn 0170-2041Article

(23R)-23-hydroxysoladulcidine and related compounds from Solanum panduraeformeRIPPERGER, H; PORZEL, A.Phytochemistry. 1993, Vol 32, Num 6, pp 1607-1609, issn 0031-9422Article

N-hydroxysolasodine from Solanum robustumRIPPERGER, H; PORZEL, A.Phytochemistry. 1992, Vol 31, Num 5, pp 1837-1839, issn 0031-9422Article

Pimpifolidine and 22-isopimpifolidine, 22,26-epimino-16,23-epoxycholestane alkaloids from the wild tomato Lycopersicon pimpinellifoliumRIPPERGER, H; PORZEL, A.Phytochemistry. 1994, Vol 35, Num 3, pp 813-815, issn 0031-9422Article

2α-hydroxysoladulcidine from Lycianthes bifloraRIPPERGER, H; PORZEL, A.Phytochemistry. 1992, Vol 31, Num 2, pp 725-726, issn 0031-9422Article

(23S)-23-hydroxysolasodine from two Solanum speciesRIPPERGER, H; PORZEL, A.Phytochemistry. 1991, Vol 30, Num 4, pp 1299-1301, issn 0031-9422Article

ON THE "NORMALIZING FACTOR" FOR THE TOMATO MUTANT CHLORONERVA. XIV: SYNTHESIS OF THE PROLINE ANALOGUE OF THE PHYTOSIDEROPHORE NICOTIANAMINEFAUST J; PREISS A; SCHREIBER K et al.1983; TETRAHEDRON; ISSN 0040-4020; GBR; DA. 1983; VOL. 39; NO 9; PP. 1593-1596; BIBL. 9 REF.Article

The crystal and molecular structure of the sesquiterpenoid silerin (trilobolide)KUTSCHABSKY, L; KRETSCHMER, R.-G; RIPPERGER, H et al.Crystal research and technology (1979). 1986, Vol 21, Num 5, pp 627-633, issn 0232-1300Article

Solanum alkaloids. CXXVI: Degradation of solasodine to 16β,22-epoxy-23,24-dinorchol-5-ene-3β,22β-diol and partial synthesis of (23S)-23-hydroxysolasodineLE THI QUYEN; RIPPERGER, H; ADAM, G et al.Liebigs Annalen der Chemie. 1993, Num 2, pp 167-172, issn 0170-2041Article

Steroid alkaloid glycosides from Solanum coccineumLOREY, S; PORZEL, A; RIPPERGER, H et al.Phytochemistry. 1996, Vol 41, Num 6, pp 1633-1635, issn 0031-9422Article

Cinnabarone, a biflavonoid from dragon's blood of Dracaena cinnabariMOHAMED MASSAOUD; RIPPERGER, H; HIMMELREICH, U et al.Phytochemistry. 1995, Vol 38, Num 3, pp 751-753, issn 0031-9422Article

Solanum alkaloids. CXXI, Partial synthesis of the steroid alkaloids teinemine, 22-isoteinemine, etioline, and 25-isoetiolineLE THI QUYEN; RIPPERGER, H; SCHREIBER, K et al.Liebigs Annalen der Chemie. 1991, Num 2, pp 143-149, issn 0170-2041, 7 p.Article

ON THE "NORMALIZING FACTOR" FOR THE TOMATO MUTANT "CHLORONERVA". XI: MASS AND NMR SPECTROSCOPIC INVESTIGATIONS OF THE PHYTOSIDEROPHORE NICOTIANAMINE AND SOME OF ITS DERIVATIVESBUDESINSKY M; PROCHAZKA Z; BUDZIKIEWICZ H et al.1981; TETRAHEDRON; ISSN 0040-4020; GBR; DA. 1981; VOL. 37; NO 1; PP. 191-196; BIBL. 11 REF.Article

New biflavonoids from dragon's blood of Dracaena cinnabariMOHAMED MASAOUD; HIMMELREICH, U; RIPPERGER, H et al.Planta medica. 1995, Vol 61, Num 4, pp 341-344, issn 0032-0943Article