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One-bond CC and two-bond CH coupling constants in vinyllithium

✍ Scribed by Andrzej Dabrowski; Krystyna Kamieńska-Trela

Book ID
103227591
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
293 KB
Volume
460
Category
Article
ISSN
0022-328X

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📜 SIMILAR VOLUMES

Neutral hyperconjugation challenged: No
Neutral hyperconjugation challenged: No support from one-bond CC coupling constants
✍ Krystyna Kamieńska-Trela 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 196 KB

A significant decrease in 'l(Clpso, CH,) coupling constants from a value typical of C(sp2)-C(sp3) bonds (43.5 Hz or smaller) to the unexpectedly low value of 36 Hz typical of C(sp3jC(sp3) bonds was reported by Lambert and Singer on passing from XC,H,CH,Sn(CH,), to XC,H,CH,C(CH,), (X = H, CH, , OCH,

One-Bond 55Mn,13C Coupling Constants, a
One-Bond 55Mn,13C Coupling Constants, a Correction
✍ Daniel Rentsch; Wolfgang von Philipsborn; Vladimir Torocheshnikov 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 279 KB 👁 1 views

Previously published one-bond 55Mn,13C coupling constants have been recalculated using a revised lineshape Btting program, QUADR. The accuracy of the new data was confirmed by the simulation of quadrupole-broadened but resolved 13C and "F spectra of the model complexes K,[Co(CN),] and Li(AsF,j. The

One-bond CC spin—spin coupling constants
One-bond CC spin—spin coupling constants in derivatives of benzene. Non-linearity of 1J(CC) vs substituent electronegativity
✍ Krystyna Kamieńska-Trela; Andrzej Dabrowski; Henryk Januszewski 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 598 KB

A set of one-bond CC coupling constants has been determined for mono-and disubstituted benzenes. Large 'J(CC) values have been found within the benzene rings bearing highly electronegative substituents such as halogens, methoxy and nitro groups and small values for those with electropositive subs&en