The present invention relates to a process for preparing at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group, at least comprising the stages:
(a1) oxidation of a composition (A), at least comprising one cyclic olefin with Z cycles and 7 to 16 carbon atoms and at least two C—C double bonds, by means of dinitrogen monoxide to give a composition (A1),
(a2) separating off the at least one cyclic olefin with Z cycles and 7 to 16 carbon atoms with at least two C—C double bonds from the composition (A1) in order to obtain a composition (A2), and
(b) distillative treatment of the composition (A2) from step (a2) in order to obtain a composition (B), comprising
the at least one cyclic compound with Z cycles and 7 to 16 carbon atoms with a keto group and
less than 1.0% by weight of the at least one compound with Z−1 cycles and 7 to 16 carbon atoms with at least one aldehyde group,
where Z can be 1, 2, 3 or 4.
Alicyclic Ring Structure: Conformational Influence of the CF2 Group in Cyclododecanes
作者:Maciej Skibinski、Yi Wang、Alexandra M. Z. Slawin、Tomas Lebl、Peer Kirsch、David O'Hagan
DOI:10.1002/anie.201105060
日期:2011.11.4
Getting out of the way: In fluorinated cyclododecane structures the CF2 group locates only at corner positions (see picture). This relaxes 1,4‐H,H transannular interactions as a result of C‐CF2‐C angle widening. Misplaced CF2 groups lead to significant ring distortion. It follows that strategic incorporation of CF2 groups has potential as a design feature to introduce order and polarity into organic
Functionalisation of saturated hydrocarbons. Part xvi. Chemoselective oxidation
作者:Derek H.R. Barton、Eva Csuhai、Nubar Ozbalik
DOI:10.1016/s0040-4020(01)90510-1
日期:1990.1
isopropanol, ethylene glycol, diisopropyl ether, biphenyl, anisole, diphenyl sulfide, methyl benzoate and dimethyl-acetamide have little effect on the oxidation. Thiophenols have a minor effect, but t-butyl thiol and dimethylaniline reduce oxidation to a major extent. In all cases, the mass balances are satisfactory. Overoxidation of cyclododecanone affords cyclododecane-1, 3-, 1,4-, 1,5- and 1,6-diones
作者:Gunther S. Fonken、Milton E. Herr、Herbert C. Murray、Lester M. Reineke
DOI:10.1021/jo01272a034
日期:1968.8
Synthesis of 1,6-Cyclododecanedione from Bis-Benzimidazole Methiodide Salt
作者:Shi, Zhen、Gu, Huan
DOI:10.1080/00397919708004153
日期:1997.8
1,6-Cyclododecanedione was prepared from bis-benzimidazole methiodide salt and bis-Grignard reagent, a novel method for the preparation of 1,6-cyclododecanedione was provided.