| | 1 | Author
| Gerd-Volker Röschenthaler | Requires cookie* | | | Title
| The Insertion of Hexafluoroacetone into P-H Bonds of Phosphanes MenPH3_n  | | | |
Reference
| Z. Naturforsch. 33b, 311—315 (1978); eingegangen am 12. Dezember 1977/19. Januar 1978 | | | |
Published
| 1978 | | | |
Keywords
| 2-Hydroxy-l, l, l, 3, 3, 3-hexafluoroisopropyl-phosphanes, Hexafluoroacetone, Bis( 1, 1, 1, 3, 3, 3-hexafluoroisopropoxy )dimethylfluorophosphorane | | | |
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| | | | | TEI-XML for
| default:Reihe_B/33/ZNB-1978-33b-0311.pdf | | | | Identifier
| ZNB-1978-33b-0311 | | | | Volume
| 33 | |
| 2 | Author
| Hubert Schmidbaur, Peter Holl | Requires cookie* | | | Title
| Die Reaktion eines gemischten Doppelylids mit Ethylenoxid Reaction of a Mixed Double Ylide with Ethylene Oxide | | | | Abstract
| Dimethyl-trimethylphosphinimino-methylene-phosphorane, (CH3)3P=N-P(CH3)2 = CH2 was found to react with ethylene oxide to form a 1:1 adduct, that was identified as 2,2-dimethyl-2-trimethylphosphinimino -1,2 A 5 -oxaphospholane. According to its 1 H, 13 C, 31 P NMR spectra it is assigned a rigid trigonal bipyramidal structure with nitrogen and oxygen atoms in axial positions. | | | |
Reference
| Z. Naturforsch. 33b, 572—573 (1978); eingegangen am 28. Februar 1978 | | | |
Published
| 1978 | | | |
Keywords
| Ylides, Ethylenoxide, 1, 2-Oxaphospholane | | | |
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| | | | | TEI-XML for
| default:Reihe_B/33/ZNB-1978-33b-0572_n.pdf | | | | Identifier
| ZNB-1978-33b-0572_n | | | | Volume
| 33 | |
| 3 | Author
| Gerd-Volker Röschenthaler | Requires cookie* | | | Title
| Über die Reaktionen von Phosphanen MenP [OCH(CF3 )2] 3_" mit Hexafluoraceton Reactions of Phosphanes MenP[OCH(CF3)2]3-n with Hexafluoroacetone | | | | Abstract
| The stable phosphanes Me2POCH(CF3)2 and MeP[OCH(CF3)2]2 have been prepared and reacted with hexafluoroacetone yielding 1,2-oxaphosphetanes. The analogous reaction with Me2PF was carried out giving a 1 : 1 : 1 mixture of a 1,3,2-, a 1,3,4-dioxaphospholane, and a 1,2-oxaphosphetane. P[OCH(CF3)2]3 did not react with hexafluoroacetone. The new compounds were characterized by NMR, mass spectrometry and elemental analysis. | | | |
Reference
| Z. Naturforsch. 33b, 131—135 (1978); eingegangen am 12. September 1977 | | | |
Published
| 1978 | | | |
Keywords
| Dimethylhexafluoroisopropoxyphosphane, Methyl-bis(hexafluoroisopropoxy)phosphane, 1, 2-Oxaphosphetanes, Oxyphosphoranes, Hexafluoroacetone | | | |
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| | | | | TEI-XML for
| default:Reihe_B/33/ZNB-1978-33b-0131.pdf | | | | Identifier
| ZNB-1978-33b-0131 | | | | Volume
| 33 | |
| 4 | Author
| Krystyna Lesiak, WojciechJ. Stec | Requires cookie* | | | Title
| The Stereochemistry of P-N Bond Cleavage in the Staudinger -Wittig-type Reaction of 2-Anilido-3,4-dimethyl-5-phenyl-l,3,2-oxazaphospholidine-2-thiones | | | | Abstract
| Both isomers of 2-anilido-3,4-dimethyl-5-phenyl-l,3,2-oxazaphospholidine-2-thiones (2 a and 2 b) derived from (—)ephedrine were obtained and converted to corresponding 2-thiomethyl derivatives (3 a and 3 b). The Staudinger-Wittig-type reaction of P-N bond cleavage was found to proceed with full retention of configuration at P-atom involved into five-membered ring system. | | | |
Reference
| Z. Naturforsch. 33b, 782—785 (1978); received March 28 1978 | | | |
Published
| 1978 | | | |
Keywords
| 1, 3, 2-Oxazaphospholidines, (—)Ephedrine, Thioanilides, Thioesters, Stereochemistry | | | |
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| | | | | TEI-XML for
| default:Reihe_B/33/ZNB-1978-33b-0782.pdf | | | | Identifier
| ZNB-1978-33b-0782 | | | | Volume
| 33 | |
| 5 | Author
| W. L. Driessen, P.L A Everstijn | Requires cookie* | | | Title
| Metal(II) Complexes of 1,2,5-Oxadiazole | | | | Abstract
| A series of new coordination compounds is reported with 1,2,5-oxadiazole (ODZ) as the ligand, viz. [M(ODZ)3](SbCl 6)2 with M = Mg(II), Mn(U), Fe(II), Co(II), Ni(II), and Zn(II). The metal ions are in a regular octahedral environment of six nitrogen atoms. The ligands function as bidentate bridges between the metal ions. | | | |
Reference
| Z. Naturforsch. 33b, 1120—1123 (1978); received June 12 1978 | | | |
Published
| 1978 | | | |
Keywords
| Transition Metal Ions, 1, 2, 5-Oxadiazole, Ligand Field Spectra, IR | | | |
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| default:Reihe_B/33/ZNB-1978-33b-1120.pdf | | | | Identifier
| ZNB-1978-33b-1120 | | | | Volume
| 33 | |
| 6 | Author
| Hans-Dieter Eßwein, Günter Häfelinger | Requires cookie* | | | Title
| Bestimmung von Ringstromanisotropieeffekten im 1 H-NMR -Spektrum von 9-Phenylderivaten des 1.4-Dimethylanthracens und 1.4-Dimethyltriptycens Determination of Ring Current Anisotropy Effects in the X H NMR Spectra of 9-Phenyl Derivatives of 1,4-Dimethylanthracene and 1,4-Dimethyltriptycene | | | |
Reference
| Z. Naturforsch. 33b, 1026—1032 (1978); eingegangen am 31. Mai 1978 | | | |
Published
| 1978 | | | |
Keywords
| Ring Current, Anisotropy Effects, 1 H NMR, 9-Phenyl Derivatives, 14-Dimethylanthracene, 1, 4-Dimethyltriptycene | | | |
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| default:Reihe_B/33/ZNB-1978-33b-1026.pdf | | | | Identifier
| ZNB-1978-33b-1026 | | | | Volume
| 33 | |
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