The crystal structure of the title compound, C 9 H 10 O 4 , contains in®nite hydrogen-bonded chains of molecules. The norbornene skeleton is slightly twisted.
The stereochemistry of oxymercuration of 5-norbornene-2-endo-carboxylic acid
✍ Scribed by Frederick R. Jensen; John J. Miller
- Publisher
- Elsevier Science
- Year
- 1966
- Tongue
- French
- Weight
- 238 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0040-4039
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In the title complex, 2C 9 H 10 O 4 ÁC 8 H 12 N 2 , there is an inversion centre at the centre of the 2,3,5,6-tetramethylpyrazine molecule, which is linked to two endo-norbornene-cis-5,6-dicarboxylic acid molecules via O-HÁ Á ÁN hydrogen bonds. In the crystal structure, O-HÁ Á ÁO and O-HÁ Á ÁN hydro
## Abstract Mass spectrometrical and ^1^H‐NMR.‐analyses of the __exo__‐5‐norbornen‐2‐yl acetate, formed by acetolysis of __endo__‐5‐norbornen‐2‐yl‐2‐__exo__‐d brosylate, demonstrate that the deuterium initially on C(2) migrates partially (30%) onto C(1) (mechanism Ia or Ib). No deuterium could be d