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Investigation of the zeolite catalyzed alkylation of toluene using carbon-13 nuclear magnetic resonance

✍ Scribed by Sefcik, Michael D.

Book ID
127330853
Publisher
American Chemical Society
Year
1979
Tongue
English
Weight
824 KB
Volume
101
Category
Article
ISSN
0002-7863

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## Abstract ^13^C NMR chemical shifts and ^13^Cο£Ώ^31^P couplings are reported for triphenyl phosphate and 13 alkyl derivatives. In __ortho__‐alkylated materials, it is found that the upfield Ξ³ shielding effect is only operative when the carbon atom, situated Ξ³ to the exocyclic oxygen, bears at least