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The Crystal Structure of 1,6:8,13-Propanediylidene[14]annulene

✍ Scribed by Dr. Gianluigi Casalone; Dr. Angelo Gavezzotti; Dr. Angelo Mugnoli; Dr. Massimo Simonetta


Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
126 KB
Volume
9
Category
Article
ISSN
0044-8249

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πŸ“œ SIMILAR VOLUMES


1,6:8,13-Propanediylidene[14]annulene
✍ Prof. Dr. Emanuel Vogel; Dr. Axel Vogel; Dipl.-Chem. Hans-Klaus KΓΌbbeler; Dr. Wo πŸ“‚ Article πŸ“… 1970 πŸ› John Wiley and Sons 🌐 English βš– 350 KB
1,6:8,13-Butanediylidene[14]annulene
✍ Prof. Dr. Emanuel Vogel; Dr. Wolfgang Sturm; Hans-Dieter Cremer πŸ“‚ Article πŸ“… 1970 πŸ› John Wiley and Sons 🌐 English βš– 251 KB

Chemically, the aromatic character of (2) manifests itself in the formation of substitution products upon treatment of the compound with electrophilic reagents. As in syn-1,6 : 8,13 bisoxido[l4]annulene [sbl, the first substituent preferentially enters at position 2.

1,6:8,13-Diepoxy[14]annulene
✍ Prof. E. Vogel; Dr. M. Biskup; A. Vogel; Dr. H. GΓΌnther πŸ“‚ Article πŸ“… 1966 πŸ› John Wiley and Sons 🌐 English βš– 221 KB

3b) and (4b) were obtained in a total yield of 93 % and a ratio 6:94. Replacement of the KOC(CH3)3 by the stronger base lithium piperidide altered this ratio to 60:40. This reversal, and the marked dependence of the isomer ratio on temperature, piperidine concentration, and solvent, suggest that rea

Structure and Dynamic Behavior of syn-1,
✍ Prof. Dr. Harald GΓΌnther; Dipl.-Chem. Henning von Puttkamer; Dr. Hans M. Deger; πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 English βš– 331 KB πŸ‘ 1 views

**Detailed structural information is obtainable from ^3^__J__(H,H) values** in unsaturated ring systems. Accurate analysis of the 400‐MHz ^1^H‐NMR spectrum of the title compound revelated a temperature‐dependent equilibrium between the double bond isomers __(1)__β‡Œ__(2)__ (see previous communication)

1,6;8,13-Propandiyliden-[14]annulen
✍ Prof. Dr. Emanuel Vogel; Dr. Axel Vogel; Dipl.-Chem. Hans-Klaus KΓΌbbeler; Dr. Wo πŸ“‚ Article πŸ“… 1970 πŸ› John Wiley and Sons 🌐 English βš– 262 KB