Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences

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Trimeres Sulfanurfluorid
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 19 Số 4 - Trang 354-355 - 1964
F. Seel, Georg Simon
Reaction of Metallocenes with Thiocyanogen
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 20 Số 4 - Trang 394-395 - 1965
Michael F. A. Dove, D. Bryan Sowerby
Synthesis And Antiviral Activity Of 2'-Deoxy-2'-Fluoro-L-Arabinofuranosyl 1,2,3-Triazole Derivatives
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 56 Số 8 - Trang 804-811 - 2001
Süreyya Ölgen, Chung K. Chu
The title compounds were prepared by building up the triazole ring at the anomeric position via the glycosyl azides 5 a,b. The anomeric configurations of these nucleosides were assigned by using 1H, 13C and NOESY NMR spectroscopy. The synthesized nucleosides were evaluated against HIV-1 and HBV
Notizen: Eine neue Umlagerungsreaktion von Aldoximen
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 16 Số 12 - Trang 845-848 - 1961
Eugen Müller, Berthold Narr
Axial Preference of Methylthio Substituent in Dioxaphosphorinanyl Ring System
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 30 Số 5-6 - Trang 430-436 - 1975
Andrzej Okruszek, Wojciech J. Stec
The spatial disposition of a 2-methylthio group in the 4-methyl-1,3,2-dioxaphosphorinanyl ring system was studied by stereochemical correlation, 1H, 13C and 81P NM-R. It has been established that a CH3S-group prefers an axial orientation much more strongly than does a methoxy group.
Stereochemie des fünfbindigen Phosphors: Kristallstrukturen von zwei Oxyphosphoranen / Stereochemistry of Five-coordinated Phosphorus: Crystal Structures of Two Oxyphosphoranes
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 29 Số 1-2 - Trang 32-34 - 1974
H. Wunderlich, D. Mootz, Reinhard Schmutzler, M. Wieber
The crystal structures of (C6H4O2)2PR with two chelating catechol residues and R = F (1) and CH3 (2), respectively, at a phosphorus atom were determined. The observed geometry at this atom is between a trigonal bipyramid and a tetragonal pyramid in 1 and close to a tetragonal pyramid in...... hiện toàn bộ
Eine neue Variante des CaIn2-Gitters: Zur Kenntnis der Phase Ca0.95 Li 1.05Sn / A New Variant of the CaIn2-Type: The Phase Ca0.95Li1.05Sn
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 29 Số 3-4 - Trang 163-165 - 1974
Wiking Müller, Reiner Voltz
The intermetallic phase Ca0,95Li1,05Sn has been prepared and its crystal structure determined. It crystallizes trigonal, a = 4.94 ± 0.01, c = 10.90 ± 0.02 Å, c/a = 2.21, space group P3ml-C3v 1 in a new stacking variant of the CaIn2-type.
Unvollständige Viruspartikel als Folge von Mutationen im Genom des Bacteriophagen fr.
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 20 Số 9 - Trang 859-863 - 1965
Martin Heisenberg, J. Blessing
Genetically suppressible mutants of the bacteriophage fr have been isolated. One type of mutation produces incomplete phage particles of buoyant density 1.41. These particles contain only 70% of the normal amount of RNA which seems to have been degraded into small pieces which have sedimentation constants from 12 — 16 S. The c...... hiện toàn bộ
Über den Nachweis von Reduktionsorten in Bakterien
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 4 Số 2 - Trang 80-91 - 1949
Hans-Joachim Bielio, G. A. Kausche, Heinrich Haardick
Das bei der bakteriellen Reduktion von farblosemTriphenyl-tetrazoliumchlorid (TTC) gebildete rote Triphenylformazan findet man in definierten Bereichen der Bakterienzelle*. Bei Escherichia coli und Salmonella typhi erscheinen die Farbbereiche („Reduktionsorte“) nach 1 bis 30 min Einwirkung von TTC als im Dunkelfeld gelb- bis rubinrot leuchtende Kügelchen vom Durchmesser der Bakterien. Dies...... hiện toàn bộ
Zur Festphasenpeptidsynthese des Makrophagen-migrationsinhibierenden Faktors der Maus (mMIF): Ein Vergleich verschiedener Syntheseansätze zur Darstellung der schwierigen C-terminalen Sequenz mMIF(93-115)/ Solid Phase Peptide Synthetic Approaches to Mouse Macrophage Migration Inhibitory Factor (mMIF): Comparison of Different Strategies Producing the C-Terminal Difficult Sequence Peptide mMIF (93-115)
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences - Tập 52 Số 2 - Trang 281-295 - 1997
Thomas Kaiser, Wolfgang Voelter
Abstract From solid phase peptide synthetic approaches of mMIF(93-115) the C-terminal sequence turned out to be a typical „difficult sequence“ peptide. Various stepwise syntheses were performed with different resins and coupling reagents. The Peptide was synthesized in 90% yield by solid phase fragment condensation of protected mMIF(93-108) to mMIF(...... hiện toàn bộ
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