Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Rüdiger Röske"'
Publikováno v:
Zeitschrift für Naturforschung B. 74:819-824
Knoevenagel reaction of pivaloylacetone with formaldehyde and subsequent aldol condensation ends up with 3-methyl-4,6-dipivaloylcyclohex-2-enone. The structure of the product is proved by an X-ray structure determination.
Publikováno v:
Letters in Organic Chemistry. 16:535-537
The dimerization of 1-bromo-2-phenylcyclopropanecarbonyl chloride by the use of the zinc/copper couple selectively leads to anti-trans-1,6-diphenyldispiro[2.1.2.1]octane-4,8-dione, the structure and configuration of which are proved by X-ray structur
Publikováno v:
Zeitschrift für Naturforschung B. 49:672-674
The title compound 3 is formed on reaction of octamethyldispiro[2.1.2.1]octane-4,8-dione (1) with hydrazine. Its structure is established by X -ray diffraction analysis.
Autor:
Rüdiger Röske, Jürgen Voss
Publikováno v:
Phosphorous and Sulfur and the Related Elements. 26:257-260
The spin density distribution in 2 H-thiopyrane-2-thione radical anions as determined experimentally by ESR spectroscopic investigation of the tert butyl derivatives 2-4 and theoretically by MNDO-CI calculations is reported. Die Spindichteverteilung