Does the ipso-carbon chemical shift tell
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Zi-Ping Liu; Manfred Schlosser
📂
Article
📅
1991
🏛
John Wiley and Sons
🌐
English
⚖ 406 KB
## Abstract The nuclear magnetic resonance signals exhibited by the __ipso__‐carbon atoms of a variety of phenylated phosphorus compounds were found to span over the remarkably wide range of + 162 to + 117 ppm. Nevertheless, these changes in chemical shifts have little diagnostic value. They are te