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The effect of substituents in phthalylium and thiophthalylium derivatives on formation of their enhanced resonance raman scattering spectra

✍ Scribed by S. A. Maskevich; G. T. Vasilyuk; D. A. Oparin; L. N. Kivach


Book ID
110584017
Publisher
Springer US
Year
1996
Tongue
English
Weight
602 KB
Volume
63
Category
Article
ISSN
0021-9037

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## Abstract Acylation of allyl alcohols induces strong carbon shifts, shielding Ξ³ and deshielding Ξ΄ effects. These shifts are a consequence of through‐bond polarization of the olefinic carbons. Allyl ethers show similar, but milder perturbations. The olefinic carbon shifts reveal a strong concentra