Abstract
The 1 J( 199Hg 13C) coupling constants of isobutylmercury compounds RhgCH 2CHMe 2 (R = organo group) have been measured and compared to the coupling constants of diisobutylmercury and diorganomercury compounds HgR 2. Between the coupling constants 1 J(HgC i-Bu) and 1 J(HgC R), which have been normalized to the coupling constants of the symmetric compounds concerned, a linear relation has been found. This relation, which can be deduced from the Fermi contact term on the basis of the simple hybrid orbital model, shows that the coupling constant 1 J(HgC i-Bu) reflects the s-character of the mercury hybrid orbital concerned and accordingly the NMR trans-influence of the organo group R. The NMR trans-influence decreases in the sequence t-Bu > i-Pr ∼ cyclo-C 6H 11 > Et ∼ n-Pr ∼ n-Bu ∼ i-Bu > CH 2Ph ∼ CH 2CHCH 2 ∼ Me > CH 2SiMe 3 > Ph ∼ CHCH 2 > CH 2SPh > CCl 3 > C 6Cl 5 > CCPh ∼ CCH.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
