Given the structure of Se analog of an S8 ring structure and the atom numbering
scheme as shown below,
Give the number of peaks in the 77Se (I = 1/2 , 7.6%) NMR spectrum of the compounds with substitution of Se in S positions indicated:
1. Se substitutions in positions 1 and 2
2. Se substitutions in positions 1 and 3
3. Se substitutions in positions 1, 2 and 4
Answers: 3
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Given the structure of Se analog of an S8 ring structure and the atom numbering
scheme as shown be...
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