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CAS No. : | 4265-25-2 | MDL No. : | MFCD00005850 |
Formula : | C9H8O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | GBGPVUAOTCNZPT-UHFFFAOYSA-N |
M.W : | 132.16 | Pubchem ID : | 20263 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P210-P264-P270-P280-P301+P312-P330-P370+P378-P403+P235-P501 | UN#: | |
Hazard Statements: | H302-H227 | Packing Group: | |
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 |
---|---|---|
56% | With N-Bromosuccinimide; In tetrahydrofuran; at 5℃; | A solution of 16-g (2.89 g, 21.91 mmol) dissolved in tetrahydroffiran (80 mE) was cooled to 5 C., and then N135 (4.68 g, 26.29 mmol) was slowly added thereto. The reactionsolution was reacted at normal temperature overnight, and then poured into sodium thiosulfate solution, and extracted with ethyl acetate (80 mLx3). The combined organic phase was dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluted with petroleum ether) to obtain compound 16-f (2.57 g, yield 56%) as a colourless liquid. ?H NMR (400 MHz, CDC13-MeOD): oe 7.37-7.3 1 (m, 2H), 7.20-7.18 (m, 2H), 2.40 (s, 3H). |
52% | With N-Bromosuccinimide; In tetrahydrofuran; at -0.16℃; | Compound 5c was prepared by an analogous method similar to that used for 5aand obtained as a light yellow liquid in 52% yield. 1H NMR (400 MHz, CDCl3, TMS): delta2.49 (s, 3H, -CH3), 7.25-7.34(m, 3H, phenyl-H), 7.40-7.47 (m, 1H, phenyl-H) |