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CAS No. : | 1180-71-8 | MDL No. : | MFCD00075922 |
Formula : | C26H30O8 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | KBDSLGBFQAGHBE-MSGMIQHVSA-N |
M.W : | 470.51 | Pubchem ID : | 179651 |
Synonyms : |
Limonoic acid 3,19:16,17 dilactone;di-δ-lactone Limonoic Acid;Obaculactone.;NSC 36508;Limonine;Evodin;Dictamnolactone;Citro
|
Chemical Name : | (4aS,6aR,8aR,8bR,9aS,12S,12aS,14aR,14bR)-12-(Furan-3-yl)-6,6,8a,12a-tetramethyldecahydrooxireno[2,3-d]pyrano[4',3':3,3a]isobenzofuro[5,4-f]isochromene-3,8,10(1H,6H,8aH)-trione |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319 | Packing Group: | N/A |
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 |
---|---|---|
70% | With hydrogen iodide; acetic acid; at 60℃; | To a 250 mL eggplant flask was added 4 g (9 mmol) of <strong>[1180-71-8]limonin</strong>,70 mL of hydroiodic acid and 70 mL of acetic acid,Reaction at 60 C.TLC tracking to complete reaction,After the reaction solution was cooled, it was slowly poured into 400 mL of saturated sodium sulfite solution,Extracted with 150 mL of dichloromethane three times,Combined extracts,Respectively, with saturated sodium bicarbonate solution, saturated brine washing twice, anhydrous sodium sulfate drying.Filtration and evaporation of the solvent under reduced pressure. The crude product was recrystallized from acetonitrile and water,A white or pale yellow crystal of 2.7 g, yield 70% |
70% | With hydrogen iodide; acetic acid; at 60℃; | In a 250-mL three-neck flask, add <strong>[1180-71-8]limonin</strong> (4 g, 9 mmol), hydroiodic acid (70 mL) and glacial acetic acid (70 mL). Reaction at 60C, TLC traced to complete reaction, After the reaction solution was cooled, it was slowly poured into 400 mL of saturated sodium sulfite solution. Extract three times with methylene chloride (150 mL x 3) and combine the organic layers. Wash twice with saturated sodium bicarbonate solution (200 mL × 2) and wash twice with saturated brine (200 mL × 2). Dry over anhydrous sodium sulfate. Filter and remove the solvent under reduced pressure. The crude product is recrystallized from acetonitrile and water, Obtained white or light yellow crystal (2) 2.7g, yield 70%, |