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1,3-Cyclohexanedione CAS 504-02-9 - High-Quality China Suppliers & Factory for Pharmaceutical Applications
Molecular Structure
The molecular structure of 1,3-cyclohexanedione contains two carbonyl groups (C=O), located at the 1st and 3rd positions of the cyclohexane ring. This configuration creates a conjugated system that significantly influences its chemical and physical properties.
Active Center
Due to the presence of two carbonyl groups, the hydrogen atoms (α-hydrogen) adjacent to the carbonyl groups on the cyclohexane ring exhibit high activity, serving as the primary active center for numerous chemical reactions.
Chemical Properties
Condensation Reactions
Under alkaline conditions, it undergoes aldol condensation with aldehydes and ketones. With sodium alcohol catalysis, it performs Knoevenagel condensation with diethyl malonate.
Nucleophilic Addition
Exhibiting typical ketone carbonyl properties, it reacts with hydroxylamine to form oxime and with hydrazine to form hydrazone.
Reduction & Halogenation
The active α-hydrogen atoms allow for halogenation reactions. Additionally, the compound can be reduced to its corresponding alcohol.
Frequently Asked Questions
What is the position of carbonyl groups in 1,3-cyclohexanedione?
The carbonyl groups (C=O) are located at the 1st and 3rd positions of the cyclohexane ring.
Why are α-hydrogen atoms in this compound highly active?
The activity is due to their proximity to the two carbonyl groups, which makes them the active centers for chemical reactions.
What happens during an aldol condensation with this compound?
Under alkaline conditions, 1,3-cyclohexanedione reacts with aldehydes and ketones through its active α-hydrogen atoms.
Can 1,3-cyclohexanedione form an oxime?
Yes, it can undergo nucleophilic addition with hydroxylamine to form an oxime.
What is the result of the reduction reaction of 1,3-cyclohexanedione?
The reduction reaction converts the ketone groups of 1,3-cyclohexanedione into the corresponding alcohol.