- A methylene compound of preparation method and its application (by machine translation)
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The invention discloses a methylene compound of preparation method and its application, relates to the field of organic synthesis, the process comprises: 1) in the presence of a three-valent metal salt catalyst, will arone compound and halogen methyl radical trialkyl ammonium salt dissolved in a solvent, 2) 80 - 130 °C reaction 1 - 4 hours, separated and purified α - the methyl radical is fragrant compounds, the reaction environment pollution is small, substrate and wide range of application. (by machine translation)
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Paragraph 0023-0024; 0031-0032; 0066-0067
(2017/11/16)
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- Efficient, direct α-methylenation of carbonyls mediated by diisopropylammonium trifluoroacetate
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A very efficient method for the direct α-methylenation of carbonyl compounds, with yields up to 99%, utilizing paraformaldehyde, diisopropylammonium trifluoroacetate, and catalytic acid or base, is presented.
- Bugarin, Alejandro,Jones, Kyle D.,Connell, Brian T.
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supporting information; experimental part
p. 1715 - 1717
(2010/07/06)
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