| | 1 | Author
| Karl Peters3, Eva-Maria Peters3, Gerhard Bringmannb, Sven Harmsenb | Requires cookie* | | | Title
| l,4-Dibromonaphthalene-2,3-diyI- bis(l'-bromo-2'-naphthoate) * CHC13, a Potential Precursor to Lactone-Bridged Teraryls  | | | | Abstract
| The title compound was prepared from 1,4-di-bromo-2,3-dihydroxynaphthalene by two-fold es-terification with l-bromo-2-naphthoic acid. It crystallizes from chloroform in the triclinic sys | | | |
Reference
| Z. Naturforsch. 51b, 144—146 (1996); received June 20 1995 | | | |
Published
| 1996 | | | |
Keywords
| Crystal Structure, Biaryl Coupling, Teraryls | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0144_n.pdf | | | | Identifier
| ZNB-1996-51b-0144_n | | | | Volume
| 51 | |
| 2 | Author
| Karl Peters3, Eva-M Aria Peters3, G.Erhard Bringmannb, O. La, F. Schuppb | Requires cookie* | | | Title
| l,3-Dimethoxy-677- benzo[b]naphtho[l,2-d]pyran-6-thione, a Thionolactone-Bridged Axially Prostereogenic Biaryl | | | | Abstract
| The title compound was prepared from the cor responding " ordinary" oxolactone bridged biaryl using Lawesson's reagent. It crystallizes from di-chloromethane / petroleum ether in the mono clinic system, space group P2xla; a = 1115.7(2), | | | |
Reference
| Z. Naturforsch. 51b, 431—432 (1996); received September 9 1995 | | | |
Published
| 1996 | | | |
Keywords
| Crystal Structure, Stereochemistry, Biaryl Coupling | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0431_n.pdf | | | | Identifier
| ZNB-1996-51b-0431_n | | | | Volume
| 51 | |
| 3 | Author
| Gerhard Bringmann3, Andreas Wuzika, Olaf Schuppa, Karl Peters13, Eva-Maria Petersb | Requires cookie* | | | Title
| l,3-Di-terf-butyl-6//-benzo[b]naphtho[l,2-d]pyran-6-thione, a Severely Helically Distorted Thionolactone-Bridged Biaryl | | | | Abstract
| The title compound 2c, a potentially useful synthetic intermediate in stereoselective biaryl synthesis, has been prepared from the oxolactone lc, by treatment with Lawesson's reagent. An X-ray structure analysis reveals its strongly helically distorted structure, the overall molecular distortion even slightly exceeding that of the corresponding oxo compound lc. | | | |
Reference
| Z. Naturforsch. 52b, 355—358 (1997); received October 18 1996 | | | |
Published
| 1997 | | | |
Keywords
| Crystal Structure, Thionolactone, Bridged Biaryl, Biaryl Coupling, Stereochemistry | | | |
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| default:Reihe_B/52/ZNB-1997-52b-0355.pdf | | | | Identifier
| ZNB-1997-52b-0355 | | | | Volume
| 52 | |
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