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Evaluation of acidity of strong acid catalysts I. Derivation of an acidity function from carbon-13 NMR measurements

✍ Scribed by Dan Fǎrcaşiu; Anca Ghenciu; Glen Miller

Book ID
113180595
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
546 KB
Volume
134
Category
Article
ISSN
0021-9517

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## Abstract ^13^C NMR signals were assigned for 18 methyl 5β‐cholenoates with a double bond in ring A, B, C or D (Δ^2^, Δ^3^, Δ^5^, Δ^6^, Δ^7^, Δ^8(14)^, Δ^9(11)^, Δ^11^ or Δ^14^). The double bond substituent effects on the ^13^C NMR chemical shifts of the parent 5β‐cholanoates were clarified.