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Three and four bond phosphorus-proton couplings in isomeric tolylphosphonates and tolylphosphine oxides

โœ Scribed by C.E. Griffin; R.B. Davison; M. Gordon


Book ID
103392724
Publisher
Elsevier Science
Year
1966
Tongue
French
Weight
394 KB
Volume
22
Category
Article
ISSN
0040-4020

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Relative Signs of Three-Bond Fluorineโ€“Ca
โœ Ian D. Rae; Josephine A. Weigold; Dora G. de Kowalewski; Rodolfo R. Biekofsky; R ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 332 KB ๐Ÿ‘ 1 views

In a series of 2-X-fluorobenzenes, the relative signs between 'J(CF) and the corresponding 4J(HF) couplings were determined. In most cases like signs were found. However, for the coupling pathway involving the X group, unlike signs were found for X = CN, NCS and NO,. For other electronegative substi