13 C− 119 Sn Correlation NMR in Solution and Solid-State CP/MAS NMR of Bis(tributylstannyl(IV)) O -5,6-Isopropylidene- l -(+)-ascorbate †
✍ Scribed by Lyčka, A.; Micák, D.; Holeček, J.; Biesemans, M.; Martins, J. C.; Willem, R.
- Book ID
- 126318197
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 89 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0276-7333
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## Abstract Absolute coupling signs of ^1^__J__(^119^Sn, ^13^C) (2__J__(^119^Sn, ^1^H) (n^5^‐C~5~H~5~)~2~Sn (1) and ^1^__J__(^119^Sn, ^13^C) (2__J__(^119^Sn, ^13^C) (3__J__(^119^Sn, ^1^H) (>O) in (__n__^5^‐C~5~Me~5~)~2~Sn (2) were determined using advanced direct and indirect two‐dimensional method
Bis(dicyclohexylammonium) bis(2,6-pyridinedicarboxylato)dibutylstannate is assigned seven-fold coordination at tin on the basis of its 119 Sn CP/MAS NMR chemical shift (␦ = Ϫ 424.9 ppm). The assignment has been corroborated by a crystal structure determination of its monohydrate, whose tin atom has