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CAS No. : | 1078-19-9 | MDL No. : | MFCD00001695 |
Formula : | C11H12O2 | Boiling Point : | - |
Linear Structure Formula : | C6H3(OCH3)C4H6O | InChI Key : | MNALUTYMBUBKNX-UHFFFAOYSA-N |
M.W : | 176.21 | Pubchem ID : | 14112 |
Synonyms : |
|
Chemical Name : | 6-Methoxy-3,4-dihydronaphthalen-1(2H)-one |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
33% | With paraformaldehyde;hydrogenchloride; In ethanol; | EXAMPLE 1 This Example illustrates the preparation of 6-methoxy-2-(2,6-dimethylmorpholinomethyl)-1,2,3,4-tetrahydronaphthalene (compound No. 11 of Table 1). 6-Methoxy-1,2,3,4-tetrahydronaphthalen-1-one (17.6 g, 0.1 mol), <strong>[80567-00-6]2,6-dimethylmorpholine hydrochloride</strong> (15.1 g, 0.1 mol), and paraformaldehyde (6.0 g, 0.2 mol) were refluxed together in ethanol (50 ml) with concentrated hydrochloric acid (0.25 ml) as a catalyst for 3 hours. The reaction was cooled and poured into water containing concentrated hydrochloric acid (5 ml) and extracted with ether (200 ml). The aqueous solution was cooled in ice and neutralised with sodium hydroxide solution (10%) then extracted with ether (2*200 ml) dried over magnesium sulphate and evaporated under reduced pressure to give a residue which was recrystallized from petrol (60-80) to give 6-methoxy-2-(2,6-dimethylmorpholinomethyl)-1,2,3,4-tetrahydronaphthalen-1-one a white crystalline solid (10 g, 33% yield) melting at 110 C. |
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