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Structure, Conformation, and Stereodynamics of the Atropisomers of Highly Hindered Benzyl Ethers

โœ Scribed by Casarini, Daniele; Coluccini, Carmine; Lunazzi, Lodovico; Mazzanti, Andrea


Book ID
121873718
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
199 KB
Volume
71
Category
Article
ISSN
0022-3263

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Conformations of highly hindered aryl et
โœ Pedro A. Lehmann F. ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 440 KB

## Abstract The PMR spectrum of 3,5โ€dibromoโ€4โ€methoxybenzyl 2โ€ฒ,6โ€ฒโ€dibromoโ€4โ€ฒโ€methylphenyl ether shows two aromatic proton equation image signals at ฮด = 7ยท33 and 7ยท71. Comparison with related benzyl ethers and anisoles led to assignment of the upfield signal to the phenylโ€ring protons (H3โ€ฒ and H5โ€ฒ