| 1 | Author
| Tristram Chivers, Xiaorong Li, Masood Parvez | Requires cookie* | | Title
| Preparation and X-Ray Structure of 3,5-Dimethyl-1,4-dichloro-1,2,6- thiadiazine-1 -oxide  | | | Abstract
| The title compound was obtained by the reaction of 3,5-dimethyl-2//-l,2,6-thiadiazine-l,l-dioxide with PCI5 in chloroform. It crystallizes in the monoclinic system, space group P2\/c, a = 7.521(7) A, b = 8.400(4) A, c = 13.908(4) Ä, ß = 100.35(4)°, V = 864.4(8) A3, and Z = 4. The S(VI) atom lies 0.43 A out of the plane of the 7r-delocalized NCCCN unit. The mean S-N bond distance is 1.569(3) A. | | |
Reference
| Z. Naturforsch. 53b, 532—534 (1998); received December 18 1997 | | |
Published
| 1998 | | |
Keywords
| Crystal Structure, 1, 2, 6-Thiadiazines, Sulfanuric Chloride | | |
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| default:Reihe_B/53/ZNB-1998-53b-0532.pdf | | | Identifier
| ZNB-1998-53b-0532 | | | Volume
| 53 | |
2 | Author
| Wolfgang Malisch, Klaus Grün3, Alexander Frieda, Wolfgang Reicha, Martin Schmeußer1, Udo Weis3, Christa Abd, El Baky3, Carl Krügerb | Requires cookie* | | Title
| Phosphenium-Komplexe, X X IX [1]  | | | Abstract
| [4+2]-Cycloadditionen von Phospheniumkomplexen des Typs C p (O C)2W = P R 2 (R = Alkyl, A ryl) mit 2,3-Dimethylbutadien Phosphenium Complexes, X X IX [1], [4+2]-Cycloaddition of Phosphenium Complexes of the Type Cp(OC)2W=PR2 (R = Alkyl, Aryl) with 2,3-Dimethylbutadiene The phosphenium complexes Cp(OC)2W=PR2 [R = Ph, o-Tol, Me, t-Bu, (2a -d)] react with 2,3-dimethyl-1,3-butadiene (3) via [4+21-cycloaddition to form the phosphametallacyclohexe nes Cp(OC)2W-PR2-CH2-CMe=CMe-CH2 (4a -d). The structure of 4a has been determined by X-ray diffraction. | | |
Reference
| Z. Naturforsch. 53b, 1506—1510 (1998); eingegangen am 12. Mai 1998 | | |
Published
| 1998 | | |
Keywords
| Phosphenium Complexes, 1, 3-Dienes, [4+2]-Cycloaddition, Phosphametallacyclohexenes | | |
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| default:Reihe_B/53/ZNB-1998-53b-1506.pdf | | | Identifier
| ZNB-1998-53b-1506 | | | Volume
| 53 | |
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