1 -NMe2 H3C ohne daf3 das Primaraddukt (8a) faBbar war. Analog fuhrten Aceton und Cyclohexanon zu (lob)['] bzw. (lOc)['I, Ausbeute 26% bzw. 44%. DaB hier tatsachlich die Carbamidsaureester (10) -und nicht die 0-methylierten Isomere [aus (S)] -vorliegen, folgt aus den Carbonylabsorptionen von (10) im
Synthesis of the Epimeric 4-Methyl Derivatives of endo-endo- and exo-endo- Tetracyclo[6.2.1.13,6.02,7]dodecane
β Scribed by Priv.-Doz. Dr. Dieter Lenoir; Dr. Robert M. Frank
- Publisher
- John Wiley and Sons
- Year
- 1980
- Tongue
- English
- Weight
- 216 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0044-8249
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π SIMILAR VOLUMES
More detailed information about the mechanism of the major reactions comes from an examination of the [3,6-'\*CZ]labeled hydrocarbon ( I b ) prepared by a new method. Addition of dichlorocarbene (from "CHC13) to 1,3-cyclohexadiene ~\_ \_ -\_ \_ -\_ \_ ~.
The crystal structure of a novel ferrocene derivative with potential flame-retardanthmoke-suppressant activity, 1,4,5,6,7,7-hexachloro-2-endo-ferrocenylhydroxymethyl-3-endo-hydroxymethyl-5-norbornene, has been determined. Some of the carbon-carbon bonds within the chlorendic residue are unusually lo
The synthesis and detailed NMR analysis of diastereoisomerically pure samples of 4-methyltetracyclo[6.2.1.1 3,6 .0 2,7 ]dodec-9-ene-4-carboxylic acid (2), tetracyclo[6.2.1.1 3,6 .0 2,7 ]dodec-9-ene-4-carboxylic acid ( ) and their tert-butyl esters are reported. Mixtures containing two isomers of the
## Abstract The 1,3βdipolar addition reaction of acrylonitrile to the betaine 1βphenyl or methylβ3βoxidopyridinium is not so highly regioselective as generally assumed. New regioisomers are isolated. Their structures are proven by mass spectroscopy and protonβand carbonβNMR spectroscopy. Some 3,4di
Synthesis and Structure Elucidation of 8-Methyl-and 9-Methylexo-2-carbomethoxy-endo-tricyclo(5.2.1.02,6)deca-3,8-dien-5-ones. -The unseparable mixture of 1-and 2-methyl-tetrahydro-1,4-methanonaphthalenediones (I) and (II), resp., obtained by thermal cracking of methylcyclopentadiene dimer and trappi