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Synthesis and Reactivity of Phosphametallacyclobutenes: Sterically Induced [4 + 2] Retrocycloadditions

✍ Scribed by Breen, Tricia L.; Stephan, Douglas W.


Book ID
127164880
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
112 KB
Volume
118
Category
Article
ISSN
0002-7863

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Sterically Controlled, Metal-Induced Syn
✍ Prof. Dr. Ekkehard Lindner; Dipl.-Chem. Cornelius Haase; Dr. Hermann A. Mayer; D πŸ“‚ Article πŸ“… 1993 πŸ› John Wiley and Sons 🌐 English βš– 371 KB

Owing to vicinal coupling, a doublet is observed for Ha, Hh, or Hh' (Fig. 2), in the region of the aromatic protons and a doublet of a doublet is observed for H"', which appears as a triplet in the spectrum. Three signals are observed for the C,, and the D,, isomers, (two doublets, one doublet of a