Über 1.4-Dialkyl-3-acetoxy-7-acetamido-2-oxabicyclo[2.2.1]heptane
✍ Scribed by W. Wendelin
- Publisher
- Springer Vienna
- Year
- 1971
- Tongue
- English
- Weight
- 440 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0026-9247
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The problems of the structure-.-property interrelationship of 3.imino-2-oxabicyclo[ 2.21]heptane derivatives are discussed on the basis of x-ray diffraction studies (XDS). A pathway for the formation of the bicyclic compounds is proposed, and the realization of spirans in the reaction of sym-tetracy
## Abstract The ^13^C n.m.r. spectra of 11 derivatives of 2,3‐dimethylenenorbornane, 1–11, of 5 derivatives of 2,3‐dimethylene‐7‐oxanorbornane, 12–16, and of 2,3,5,6‐tetramethylene‐7‐oxanorbornane (17) have been measured and the chemical shifts have been assigned. The effects of 1‐methyl, 5‐hydroxy
a Values are for individual samples. During the test, one could observe particles of the disintegrated tablet forming a ring at the bottom of the fabricated flask (Fig. 3). It is not likely that one would use the type of dissolution vessel shown in Fig. 2 when the other two types are commercially