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CAS No. : | 13466-78-9 | MDL No. : | MFCD00001315 |
Formula : | C10H16 | Boiling Point : | - |
Linear Structure Formula : | C6H7C(CH3)3 | InChI Key : | BQOFWKZOCNGFEC-UHFFFAOYSA-N |
M.W : | 136.23 | Pubchem ID : | 26049 |
Synonyms : |
(±)-Δ3-Carene;Delta-3-Carene;(±)-3-Carene;Carene
|
Chemical Name : | 3,7,7-Trimethylbicyclo[4.1.0]hept-3-ene |
Signal Word: | Danger | Class: | 3 |
Precautionary Statements: | P210-P233-P240-P241-P242-P243-P261-P264-P272-P273-P280-P301+P310-P303+P361+P353-P331-P333+P313-P362-P370+P378-P403+P235-P405-P501 | UN#: | 2319 |
Hazard Statements: | H225-H304-H315-H317-H412 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In benzene; at 0 - 5℃; for 168h; | General procedure: A solution of 5.0 g (0.037 mol) of 3-carene in 15 mL of benzene was cooled to 0°C, 4.2 g (0.037 mol) of trifluoroacetic acid was slowly added, and the mixture was kept for 7 days at 3?5°C. Samples of the reaction mixture were withdrawn intermittently and analyzed by 1H and 19F NMR. When the reaction was complete, the mixture was washed in succession with 20 mL of water, 20 mL of a 5percent solution of sodium hydrogen carbonate, and 20 mL of a 5percent solution of sodium chloride. The organic layer was dried over MgSO4 and evaporated on a rotary evaporator, and the residue was distilled under reduced pressure to isolate 3.6 g (39percent) of isomer mixture 3a/3b (1 : 0.7) as a colorless mobile liquid, bp 46?48°C (0.5 mm), nD22 = 1.4230. IR spectrum, nu, cm?1: 1776 (C=O), 1219 (C?F). |