Identification of precoccinellin in the ladybird beetle,Coleomegilla maculata

Zusammenfassung Isolierung und Strukturzuteilung für ein Alkaloid ausColeomegilla maculata (Coleoptera: Curculionidae).

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Coleoptera: Curculionidae.

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In cooperation with the Mississippi Agricultural and Forestry Experiment Station, Mississippi State, Mississippi 39762. Received for publication.

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Mention of a proprietary product does not necessarily imply endorsement of this product by the USDA.     

Antibody against purified viper neurotoxin

Résumé L'anticorps contre la neurotoxine du venin deVipera palestinae est obtenu chez des lapins par immunisation de la neurotoxine purifiée liée à la cellulose carbométhylique.

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This work is part of a thesis submitted byN. Shaham to the

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This work is part of a thesis submitted byN. Shaham to the

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This work is part of a thesis submitted byN. Shaham to the

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This work is part of a thesis submitted byN. Shaham to the

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This work is part of a thesis submitted byN. Shaham to the     

Activation of virus production by DMSO in C. albicans experimentally infected with polyoma-DNA

Zusammenfassung Die Infektion von Schimmelpilzen,C. albicans, durch Polyomavirus mit isolierter Polyoma-DNS und die aktivierende Wirkung von DMSO werden beschrieben.

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Supported by a grant of the National Cancer Institute of Canada.

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The assistance of Mr. G.Kolompár and B.Bucz during these assays is gratefully acknowledged.     

p-Xylylenedicyanide and related compounds,weakly cytotoxic nitriles

Zusammenfassung Extrakte vonV. opulus von schwacher Zelltoxizität enthaltenp-Xylylendinitril. Die Isomeren,m- undp-Cyanohydrozimtsäurenitrile, wurden synthetisiert und auf ihre zelltoxischen Eigenschaften hin untersucht:p-Xylylendinitril erweist sich als am stärksten wirksam.

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The reported work was supported in part by grants Nos. AM 07147, FR 00354, GM 12755 and GM 33888 from the United States Public Health Service, National Institutes of Health. We are grateful to the management and staff of the Isaac Bernheim Foundation for their helpful assistance with plants.

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Inquiries on mass spectra should be directed to F.W.M.; all other inquiries should be directed to C.H.J.     

The innervation of the prothoracic glands ofCerura vinula L. (Lepidoptera)

Zusammenfassung Die Prothoraxdrüsen vonCerura vinula L. werden von Nerven innerviert, deren Axone neurosekretorische Grana enthalten und ausserdem in synaptischer Verbindung mit den Drüsenzellen stehen. Diese beiden Tatsachen sprechen für einedirekte Aktivierung der Prothoraxdrüsen durch Neurohormone.

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This investigation was supported by Deutsche Forschungsgemeinschaft.

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To the 60th birthday of Prof. Dr. G.Birukow.     

Sur l'absence de biosynthèse des stérols et du squalène chez un coelentéré (anthozoaire), l'anémone de merCalliactis parasitica

Summary Sodium acetate I-¹⁴C has been injected to the sea anemoneCalliactis parasitica (coelenterate,anthozoa). Sterols and squalene were found unlabelled in this experiment. An analysis of the sterol mixture is reported.

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Nous remercionsMM. Cosson, Bardey etVarenne qui ont effectué les mesures de spectrométrie de masse sur un appareil AEI MS9, sous la direction du DrB. C. Das.

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Nous remercions le ProfesseurE. Lederer pour l'intérêt qu'il a porté à ce travail.

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Nous remercions la Station Biologique de Roscoff pour l'expédition de ces animaux.     

Nachweis von Scilliglaucosidin in den Zwiebeln vonBowiea volubilis Harvey

Summary Hellebrigenin was converted to Scilliglaucosidin-19-ol and 3-Epi-Scilliglaucosidin-19-ol. This proves the correctness of the assumption ofStoll et al. ³ that the aldehydic group of Scilliglaucosidin is in position C-10.Comparison of a reduction product of Nabogenin, a substance isolated earlier from the bulbs ofBowiea volubilis Harvey, with Scilliglaucosidin-19-ol and 3-Epi-Scilliglaucosidin-19-ol showed its identity with the first named compound. This proves that the so called Nabogenin was a mixture consisting mainly of Scilliglaucosidin.

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8. Mitteilung über die Glykoside vonBowiea vocubilis Harvey und 162. Mitteilung über Glykoside und Aglykone.

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7. Mitt.:A. Katz, Helv. chim. Acta38, 1565 (1955).

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161. Mitt.:H. Kündig-Hegedüs undO. Schindler, Helv. chim. Acta39, 904 (1956).     

Sur l'absence de biosynthèse des stérols et du squalène chez un coelentéré (anthozoaire), l'anémone de merCalliactis parasitica

Summary Sodium acetate I-¹⁴C has been injected to the sea anemoneCalliactis parasitica (coelenterate,anthozoa). Sterols and squalene were found unlabelled in this experiment. An analysis of the sterol mixture is reported.

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Nous remercionsMM. Cosson, Bardey etVarenne qui ont effectué les mesures de spectrométrie de masse sur un appareil AEI MS9, sous la direction du DrB. C. Das.

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Nous remercions le ProfesseurE. Lederer pour l'intérêt qu'il a porté à ce travail.

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Nous remercions la Station Biologique de Roscoff pour l'expédition de ces animaux.     

Alkaloid studies XXIII isolation of four new aspidosperma alkaloids: Cylindrocarpine,refractine, pyrifoline,and pyrifolidine

Zusammenfassung Die Isolierung von vier neuenAspidosperma-Alkaloiden ergabCylindrocarpin (erstes N-Cinnamoyl-dihydroindolderivat) sowieRefractin, Pyrifolin undPyrifolidin (alles N-Acetyl-dihydroindole), die alle vier eine Methoxylgruppe im Dihydroindolsystem besitzen.

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Postdoctorate research fellow 1958–1959 (Wayne State University); 1959–1960 (Stanford University).

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Paper XXII,J. S. E. Holker, M. Cais, F. A. Hochstein undC. Djerassi, J. org. Chem.24, 314 (1959).     

Rauwolfia alkaloids,XVI. Deserpidine,a new alkaloid fromRauwolfia canescens

Zusammenfassung AusRauwolfia canescens wurde Deserpidin, C₃₂H₃₈O₈N₂, isoliert und eine Konstitutionsformel für dieses neue Alkaloid vorgeschlagen.

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Communication XV,C. F. Huebner et al., J.A.C.S. (in press).

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From lecture given at Columbia University, New York, January 12th, 1955.     

Metabolic interactions in vitro between polymorphonuclear leukocytes and pathogenic and nonpathogenic microorganisms

Zusammenfassung 1. Es wird gezeigt, dass der Effekt von phagozytierten,hitzeabgetöteten Bakterien auf die Atmung von Kaninchen-Leukozytenin vitro von der Virulenz der verwendeten Mikroorganismen abhängig ist.2. Die Tatsache, dasslebende Mikroorganismen nach Phagozytose intrazellulär fortfahren zu atmen, wird demonstriert und deren Beziehung zur Pathogenität der Bakterien diskutiert.

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This investigation was supported by Grant E-1302 (C) from the National Institute of Allergy and Infectious Diseases, National Institutes of Health, U. S. Public Health Service.

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Markle Scholar in Medical Science.     

Chemical constituents of the antibiotic fraction ofArnebia nobilis

Zusammenfassung Aus den Wurzeln vonArnebia nobilis wurden 4 antibiotisch wirksame Stoffe isoliert. Die Struktur von dreien wurde aufgeklärt.

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On deputation from the Chemistry Department, Lucknow University.

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To whom enquiries should be made. The isolation of shikonin monoacetate and,-dimethylacrylate fromLithosperm erythrorhizon, I.Morimoto, T.Kishi, S.Ikegana and Y.Hirata, Tetrahedron Lett.4737 (1965), has been brought to our notice since communicating this paper.

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Communication No. 1305 from the Central Drug Research Institute.     

Synthetic peptides related to caerulein1. Note 1

Riassunto Vengono descritte le proprietà di una serie di peptidi sintetici affini alla ceruleina e si discutono brevemente i rapporti fra attività e struttura.

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A. Anastasi, V. Erspamer andR. Endean, Experientia23, 699 (1967).

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This work was in part supported by grants from the Consiglio Nazionale delle Ricerche, Roma.     

Ultramikromethoden. Acetylierung von Alkoholen

Summary An acetylation procedure for nanogram amounts of alcohols is described.

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1. Mitteilung: Experientia27, 1376 (1971).     

Komplex-Stabilität und tuberkulostatische Aktivität einiger 8-Oxychinolinderivate

Summary Based on polarographic viz. spectrophotometric determinations of the stabilities of several Cu⁺⁺- and Co⁺⁺⁺ hydroxyquinolin complexes it has been shown that a correlation exists between the quotient of complex-stabilitiesK _Co ⁺⁺⁺ /K _Cu ⁺⁺ and antitubercular activity (cf. table and graph). This supports the hypothesis that the 8-hydroxyquinolin derivatives and analogues act by competitive antagonism; the Cu⁺⁺-hydroxy-quinolates are able to replace Co in a prosthetic group of Mycobacterium-enzyme with Cu.

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Vorgetragen an der Organisch-Chemischen Konferenz des Vereines ungarischer Chemiker, 27. September 1953.

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III. Mitteilung: Acta chim. Hungarica (im Druck).     

CMR spectral analysis of tetrahydrocannabinol and its isomers

Zusammenfassung Die¹³C-NMR-Spektren des Tetrahydrocannabinols und seiner Isomeren wurden aufgenommen und vollständig analysiert.

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Carbon-13 Nuclear Magnetic Resonance Spectroscopy of Naturally Occurring Substances. IX. For the preceding article seeE. Wenkert, C.-J. Chang, D. W. Cochran andR. Pellicciari, Experientia28, paper No. 1099 (1972).

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U.S. Public Health Service predoctoral fellow, 1967–1971.

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U.S. Public Health Service predoctoral fellow, 1969–1972.     

Teratogenic effects induced in tail ofBufo arenarum tadpoles following treatment with carcinogens

Riassunto Si descrivono gli effetti teratogeni indotti nella coda del girino delBufo arenarum in uno stadio premetamorfosico, come conseguenza dell'impianto di cristalli di idrocarburi cancerigeni. Tanto il MC come il BP o il DMBA producono alette sopranumerarie che ripetono le strutture istologiche delle alette normali; ed inoltre il DMBA induce la formazione di una seconda notocorda parallela alla normale.

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Career investigator of Argentine CNICT.

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Fellow of Argentine CNICT.     

Über die Alkaloide vonRauwolfia ligustrina R. & S. Raugustin,ein neues reserpinähnliches Alkaloid

Summary Twenty-one alkaloids have been identified from the root ofRauwolfia ligustrina R. & S. The more important ones are reserpine, pseudoreserpine and raugustine, a new base which is isomer to pseudoreserpine. The structure of the latter compound is discussed.

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Mitteilung über Rauwolfia-Alkaloide

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Mitteilung sieheC. F. Huebner undE. Schlittler, J. Amer. chem. Soc.79, 250 (1957).     

cis-cylohexane-1,2-diol in the beaver gland

Zusammenfassung Aus den Biberdrüsen wurdecis-Cyclohexan-1,2-diol isoliert und charakterisiert.

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The support of this work by the Colombo Plan administration of Canada is gratefully acknowledged.     

Atypic chronology of the mitotic cycle of neoplastic mouse mast cells

Zusammenfassung Im mitotischen Zyklus vollständig asynchroner, exponentiell proliferierender neoplastischer Manusmastzellen des Stamms P815Y ist dieG1-Phase vollständig abwesend. DNA-Synthese (S-Phase) beansprucht 84%,G2-Phase 14% und Mitose 4% der vollen Dauer des Zell-Zyklus.

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This investigation was supported by the Office of Naval Research under contract No. Nonr-266(76) and by the Health Research Council of the City of New York under contract No. I-428, and carried out at Columbia University (Department of Biochemistry).

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Recipient of Career Scientist Award of the Health Research Council of the City of New York under Contract No. I-428.