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1997 (1)
1996 (2)
1Author    Karl Peters3, Eva-Maria Peters3, Gerhard Bringmannb, Sven HarmsenbRequires 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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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0144_n.pdf 
 Identifier    ZNB-1996-51b-0144_n 
 Volume    51 
2Author    Karl Peters3, Eva-M Aria Peters3, G.Erhard Bringmannb, O. La, F. SchuppbRequires 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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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0431_n.pdf 
 Identifier    ZNB-1996-51b-0431_n 
 Volume    51 
3Author    Gerhard Bringmann3, Andreas Wuzika, Olaf Schuppa, Karl Peters13, Eva-Maria PetersbRequires 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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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0355.pdf 
 Identifier    ZNB-1997-52b-0355 
 Volume    52