Synthesis of Trioxy- and Tetraoxysilatranes with All Six-Membered Rings. Structure and Dynamic NMR Behavior 1
β Scribed by Timosheva, Natalya V.; Chandrasekaran, A.; Day, Roberta O.; Holmes, Robert R.
- Book ID
- 120177483
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 147 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0276-7333
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## Abstract The synthesis of uviticβ1,3,5β^13^C acid, starting from Ba^13^CO~3~, is described. It allows the preparation of several compounds containing the aromatic and alicyclic sixβmembered labelled ring on a micro scale with good yields.
SAPO-56, a silicon-containing aluminum phosphate molecular sieve, is characterized by electron microscopy, magicangle spinning (MAS) nuclear magnetic resonance (NMR) spectroscopy and Rietveld refinement of synchrotron X-ray powder diffraction data. The trigonal space group is P3 :1c with a=b=13.7571