2223-52-1

Upstream product

• 6833-42-7 6,6,13,13-tetramethyl-1,4,8,11-tetrathia-dispiro[4.1.4.3]tetradecane 
• 24518-94-3 Dispiro<2.2.2.2>decan 
• 36262-33-6 dispiro<2.2.2.2>deca-4,9-diene 
• 4255-62-3 4,4-dimethylcyclohexane-1-one 
• 37494-10-3 6-hydroxy-2,2,5,5-tetramethyl-1-cyclohexanone 
• 2223-51-0 Acetic acid 2,2,5,5-tetramethyl-cyclohex-3-enyl ester 
• 3906-17-0 2r.6c-diacetoxy-1.1.4.4-tetramethyl-cyclohexane 
• 3886-71-3 (1R,3S)-2,2,5,5-tetramethylcyclohexane-1,3-diol 
• 702-50-1 2,2,5,5-tetramethylcyclohexa-1,3-dione 
• 20651-89-2 3,3,6,6-tetramethylcyclohexane-1,2-dione 
• 2223-54-3 3,3,6,6-tetramethyl-1,4-cyclohexadiene 
• 50740-76-6 3,3,6,6-tetramethyl-cyclohexene 

Relevant academic research and scientific papers

Hydrogenolysis of Small Cycloalkanes, XV. - Hydrogenation of Dispirodeca-4,9-diene

On hydrogenation of the title compound 1 with Pd/C 1,4-diethylbenzene (2) is formed in 95percent yield, furthermore 1percent of cis- and 2percent of trans-1,4-diethylcyclohexane (3 and 4) as well as 2percent of 6-ethylspirooctane (15) are found.With Pt/C the intermediates 7, 12, 13, and 14 and up to 45percent of dispirodecane (17) are identified. 17 is hydrogenated with PtO2 in acetic acid to form 1,1,4,4-tetramethylcyclohexane (19).

Concerning the Generality of the Temperature Dependence of Carbon-13 Shieldings as a Probe for Conformational or Structural Equilibria

In order to assess the effect of the chair-twist equilibrium in six-membered rings on the temperature dependence of 13C chemical shifts, we have examined a series of hydrocarbons and heterocycles with zero, one, or two geminal dimethyl groups.The temperat