Une Intérpretation Géométrique des Automorphismes Exterieurs du Groupe Symétrique S6
✍ Scribed by Freudenthal, Hans
- Publisher
- Springer-Verlag
- Year
- 1972
- Weight
- 381 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0370-7377
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## Abstract The orientation of the cycloaddition of diazomethane on unsaturated branchedchain sugars has been studied. For 3‐__C__‐cyanomethylidene‐3‐deoxy‐1,2‐__O__‐isopropylidene‐α‐D‐__glycero__‐tetrofuranose the orientation was ‘normal’ and did not depend on the configuration at the double bond.
Correlations between mass spectra and molecular structure are attempted in a series of cis and trans 1,2-diaIkylcyclohexanes previously investigated. Rather large differences appear between abundances of main fragment ions, especially (P-R1)+ (parent ion having lost the Rl group) and (P-Rl-H)+, some