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Synthesis of macrocyclic pyrrolizidine alkaloid analogues from (-)-(7R,8R)-1-chloromethyl-1,2- didehydro-7-hydroxypyrrolizidinium chlorideBURTON, M; ROBINS, D. J.Journal of the Chemical Society. Perkin transactions. I. 1986, Num 4, pp 585-589, issn 0300-922XArticle

PYRROLIZIDINE ALKALOID BIOSYNTHESIS: INCORPORATION OF ¹³C-LABELED PUTRESCINES INTO RETRONECINEKHAN HA; ROBINS DJ.1981; J. CHEM. SOC., CHEM. COMMUN.; ISSN 0022-4936; GBR; DA. 1981; NO 4; PP. 146-147; BIBL. 6 REF.Article

STUDIES ON INCORPORATION OF ¹⁴C-LABELLED PRECURSORS IN MONOCROTALINERAO PG; ZUTSHI U; SONI A et al.1979; PLANTA MED.; DEU; DA. 1979; VOL. 35; NO 3; PP. 279-282; BIBL. 8 REF.Article

THE BIOSYNTHESIS OF RETRONECINEGRUE SORENSEN G; SPENSER ID.1982; CAN. J. CHEM.; ISSN 0008-4042; CAN; DA. 1982; VOL. 60; NO 5; PP. 643-662; ABS. FRE; BIBL. 48 REF.Article

GENUS CROTALARIA. XIV. MONOCROTALINE FOR THE PREPARATION OF PHARMACODYNAMIC COMPOUNDSPURI SC; SAWHNEY RS; ATAL CK et al.1972; INDIAN J. PHARM.; INDIA; DA. 1972; VOL. 34; NO 5; PP. 123-124; BIBL. 7 REF.Serial Issue

Pyrrolizidine alkaloid biosynthesis. Synthesis of ¹⁴C-labelled homospermidines and their incorporation into retronecineKHAN, H. A; ROBINS, D. J.Journal of the Chemical Society. Perkin transactions. I. 1985, Num 4, pp 819-824, issn 0300-922XArticle

INDUCTION OF CHROMOSOMAL ABERRATIONS BY RETRONECINE 7: 9 P-NITROBENZOATE IN ALLIUM CEPA LKAK SN; KAUL BL; PURI SC et al.1973; INDIAN J. EXPER. BIOL.; INDIA; DA. 1973; VOL. 11; NO 5; PP. 409-412; BIBL. 30REF.Article

Macrocyclic pyrrolizidine alkaloids. Synthesis and stereochemistry of (+)-dicrotaline (13β-hydroxy-13α-methyl-1,2-didehydrocrotalanine) and (+)-13-epi-dicrotalineBROWN, K; ALASTAIR DEVLIN, J; ROBINS, D. J et al.Journal of the Chemical Society. Perkin transactions. I. 1983, Num 8, pp 1819-1824, issn 0300-922XArticle

PYRROLIZIDINE ALKALOID ANALOGUES. SYNTHESIS OF ELEVEN-MEMBERED MACROCYCLIC DIESTERS OF RETRONECINEDEVLIN JA; ROBINS DJ; SAKDARAT S et al.1982; PERKIN TRANS. 1; ISSN 0300-922X; GBR; DA. 1982; NO 4; PP. 1117-1121; BIBL. 24 REF.Article

The synthesis of heliotridine and related alkaloidsGLINSKI, J. A; ZALKOW, L. H.Tetrahedron letters. 1985, Vol 26, Num 24, pp 2857-2860, issn 0040-4039Article

DEHYDRORETRONECINE-INDUCED RHABDOMYOSARCOMAS IN RATS = RHABDOMYOSARCOMES INDUITS PAR LA DEHYDRORETRONECINE CHEZ LES RATSALLEN JR; IH CHANG HSU; CARSTENS LA et al.1975; CANCER RES.; U.S.A.; DA. 1975; VOL. 35; NO 4; PP. 997-1002; BIBL. 18REF.Article

SYNTHESIS OF TRIATIATED SENECIOYL DEHYDRORETRONECINE, A PYRROLIZIDINE ALKALOID PYRROLESHUMAKER RC; HSIA MTS; SEYMOUR JL et al.1978; J. LABELL. COMPOUNDS RADIOPHARM.; GBR; DA. 1978; 15 SUPPLEMENTARY VOLUME; PP. 227-232; BIBL. 11 REF.Article

CYTOGENETIC ACTIVITY OF RETRONECINE 7: 9P-CHLOROBENZOATE A NEW SEMI-SYNTHETIC PYRROLIZIDINEKAK SN; PURI SC; KAUL BL et al.1973; CYTOBIOLOGIE; DTSCH.; DA. 1973; VOL. 6; NO 4; PP. 481-486; BIBL. 17REF.Serial Issue

¹³C NUCLEAR MAGNETIC RESONANCE SPECTRA OF THE SENECIO ALKALOIDS, RETRORSINE, SWAZINE, ISOLINE, AND HYGROPHYLLINEDREWES SE; ANTONOWITZ I; KAYE PT et al.1981; PERKIN TRANS. 1; ISSN 0300-922X; GBR; DA. 1981; NO 1; PP. 287-289; BIBL. 12 REF.Article

SEMISYNTHETIC PYRROLIZIDINE ALKALOID ANTITUMOR AGENTSGELBAUM LT; GORDON MM; MILES M et al.1982; J. ORG. CHEM.; ISSN 0022-3263; USA; DA. 1982; VOL. 47; NO 13; PP. 2501-2504; BIBL. 18 REF.Article

CARBON-13 NUCLEAR MAGNETIC RESONANCE OF PYRROLIZIDINE ALKALOIDS: A REASSIGNMENTBARREIRO EJ; DE CIMA PEREIRA A; NELSON L et al.1980; J. CHEM. RES., SYNOP.; ISSN 0308-2342; GBR; DA. 1980; NO 9; PP. 330-331; BIBL. 9 REF.Article

THE ENANTIOSELECTIVE SYNTHESIS OF (+)-RETRONECINE, (-)-PLATYNECINE, AND (+)-CROALBINECINE AND ITS C-1 EPIMERRUEEGER H; BENN M.1983; HETEROCYCLES; ISSN 0385-5414; JPN; DA. 1983; VOL. 20; NO 7; PP. 1331-1334; BIBL. 12 REF.Article

PYRROLIZIDINE ALKALOIDS: EVIDENCE FOR THE INVOLVEMENT OF SPERMIDINE AND SPERMINE IN THE BIOSYNTHESIS OF RETRONECINEROBINS DJ; SWEENEY JR.1979; J. CHEM. SOC., CHEM. COMMUNIC.; GBR; DA. 1979; NO 3; PP. 120-121; BIBL. 8 REF.Article

COVALENT INTERACTION OF DEHYDRORETRONECINE, A CARCINOGENIC METABOLITE OF THE PYRROLIZIDINE ALKALOID MONOCROTALINE, WITH CYSTEINE AND GLUTATHIONE.ROBERTSON KA; SEYMOUR JL; HSIA MT et al.1977; CANCER RES.; U.S.A.; DA. 1977; VOL. 37; NO 9; PP. 3141-3144; BIBL. 19 REF.Article

PYRROLIZIDINE ALKALOID BIOSYNTHESIS. INCORPORATION OF ¹⁴C-LABELLED PRECURSORS INTO RETRONECINE = BIOSYNTHESE DES ALCALOIDES PYRROLIZIDINIQUES. INCORPORATION DE PRECURSEURS MARQUES PAR ¹⁴C DANS LA RETRONECINEROBINS DJ; SWEENEY JR.1981; PERKIN TRANS. 1; ISSN 0300-922X; GBR; DA. 1981; NO 12; PP. 3083-3086; BIBL. 17 REF.Article

Diastereoisomeric epoxides of heliotridine and retronecine, C₈H₁₃NO₃GLINSKI, J. A; VAN DERVEER, D; ZALKOW, L. H et al.Acta crystallographica. Section C, Crystal structure communications. 1985, Vol 41, Num 9, pp 1345-1348, issn 0108-2701Article

Capillary supercritical fluid chromatography of pyrrolizidine alkaloidsHOLZER, G; ZAŁLKOW, L. H; ASIBAL, C. F et al.Journal of chromatography. 1987, Vol 400, pp 317-322, issn 0021-9673Conference Paper

PYRROLIZIDINE ALKALOID BIOSYNTHESIS. INTACT INCORPORATION OF (1,9-^U1^U3C_D2)HOMOSPERMIDINE INTO RETRONECINERANA J; ROBINS DJ.1983; JOURNAL OF CHEMICAL RESEARCH. SYNOPSES; ISSN 0308-2342; GBR; DA. 1983; NO 6; PP. 146-147; BIBL. 8 REF.Article

Retronecine and heliotridine, C₈H₁₃NO₂: diastereoisomeric pyrrolizidine necine basesGELBAUM, L. T; GLINSKI, J. A; VAN DERVEER, D et al.Acta crystallographica. Section C, Crystal structure communications. 1985, Vol 41, Num 9, pp 1342-1345, issn 0108-2701Article