Reductive Fragmentation of 1-Methyl-4-tosyloxybicyclo[2.2.2]octan-2-one
✍ Scribed by Dr. W. Kraus
- Publisher
- John Wiley and Sons
- Year
- 1966
- Tongue
- English
- Weight
- 221 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0044-8249
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📜 SIMILAR VOLUMES
The reaction conditions for the conversion of 6endo-tosyloxybicyclo[2.2.2]octan-2-one (7b) into 6-exo-acetoxy (8b) and 6-exo-benzoyloxybicyclo[2.2.2]octan-2-one (8a), respectively, were improved. Thus known 6-endo-tosyloxy-bicyclo[2.2.2]octan-2-ones (+)-(1RS,6SR,8SR,11RS)-11-[(4-toluenesulfonyl)oxy]
For a definition, see M . T Reerz, Tetrahedron 29, 2189Tetrahedron 29, (1973)). 131 Related halogen-halogen as well as hylogen-or acetoxy-phenyl exchange reactions in silicon compounds are known, but have not been studied with regard to their mechanism:
## Abstract Three isomeric zinc bisporphyrins have been prepared by covalently linking together two aminoporphyrins with an isophthalic acid derivative. The porphyrins differ in the substitution pattern on the __meso__ phenyl groups, that is, __ortho__, __meta__, or __para__. Titrations carried out