## Abstract Using a modified Extended __Hรผckel__ (S. C. C.) procedure the structure of the ferrocenylโmethyl cation has been calculated. The result is a structure (V) with about equal overlap population between all Fe๏ฃฟC bonds. The methylene group is bent towards the iron atom and both rings are til
On the Structure of Oxirane Molecular Cation. Preliminary Communication
โ Scribed by Thomas Bally; Stephan Nitsche; Edwin Haselbach
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- German
- Weight
- 228 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0018-019X
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โฆ Synopsis
The oxiranes were prepared by oxidation of the corresponding olefins with m-chloroperbenzoic acid and purified by spinning-band distillation (4) or preparative GC (5). 0 . 0 2 -~ solutions of the neutral precursors in the Frrons indicated in Fig. I, 4 h X-ray irradiation [S] in a 0.5-mm cuvette at 77 K.
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Societe suisse de chimie, Bile -Societi svizzera di chimica, Basilea ISSN 0018-019X Nachdruck verboten -Tous droits reserves -Printed by Birkhauser AG,
## Abstract Rubiflavin is shown to be a mixture of antibiotics. The main components have been named rubiflavin A **(3)** and rubiflavin B **(2)** and are identified by NMR. spectroscopy as desacetylpluramycin A and kidamycin, respectively.
## Abstract The stereochemical course of the intramolecular allylsilaneโaldehyde condensation of **1a** has been investigated. A modest preference for the product arising from a synclinal orientation of double bonds was observed with __Lewis__โacid catalysts. Cyclization induced by fluoride ion res