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CAS No. : | 3228-02-2 | MDL No. : | MFCD00010704 |
Formula : | C10H14O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IJALWSVNUBBQRA-UHFFFAOYSA-N |
M.W : | 150.22 | Pubchem ID : | 18597 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P264-P271-P280-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P403+P233-P405-P501 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | 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 |
---|---|---|
92.0% | With triethylamine; In acetonitrile; at 20℃; for 4h; | <Example 19> Synthesis of 4-isopropyl-3-methylphenyl N- (4-ethyl-2 , 3-dioxo-l-piperazine) carbamate2 g (13.31 mmol) of 4-isopropyl-3-methylphenol were dissolved in 15 ml of acetonitrile, to obtain a reaction solution, which was then added with 2.22 ml of triethylamine and 3.02 g (14.75 mmol) of 4-ethyl-2,3- dioxo-1-piperazinecarbonyl chloride and stirred at room temperature for 4 hr. After the completion of the reaction, the same procedures as in Example 1 were conducted, thus yielding 3.90 g (92.0%) of 4-isopropyl-3- methylphenyl N- (4-ethyl-2, 3-dioxo-l-piperazine) carbamate as a title compound. IR(KBr, cm"1) : 1783(C=O), 1675 (C=O) 1H-NMR (CDCl3, ppm) : 1.19(m, 9H, isopropyl CH (CH3) 2, N- CH2CH3), 2.31 (s, 3H, 3-CH3), 3.10 (m, IH, isopropyl CH(CH3J2), 3.60(m, 4H, piperazine ring CH2CH2), 4.12 (m, 2H, N-CH2CH3), 6.95(s, 2H, aromatic 2-H, 6-H) , 7.21 (s, IH, aromatic 5-H) |
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