alpha-甲基二苯乙烯

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Stilbene and 1,2-diphenylpropene may be prepared by reacting benzaldehyde with benzylmagnesium bromide and then carrying out dehydration. Further, 1,1-diphenylethylene may be obtained by reacting diphenyl ketone with a Grignard reagent such as methylmagnesium iodide, followed by dehydration.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: For instance, vinylnaphthalene is prepared by reacting formylnaphthalene with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. Phenyl(vinylphenyl)ethane is prepared by reacting diphenylethane with acetyl chloride in the presence of a Friedel-Crafts catalyst to obtain phenyl(acetylphenyl)ethane, reducing by sodium borohydride, and then dehydrating. Phenyl(isopropenylphenyl)ethane is prepared by reacting phenyl(formylphenyl)ethane with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. 1,2-Diphenylethylene is prepared by reacting benzaldehyde with benzylmagnesium bromide, and then dehydrating. 1,2-Diphenylpropene is also prepared by a similar method. 1,1-Diphenylethylene is prepared by reacting diphenyl ketone with a Grignard reagent such as methylmagnesium iodide, and then dehydrating.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: For instance, vinylnaphthalene is prepared by reacting formylnaphthalene with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. Phenyl(vinylphenyl)ethane is prepared by reacting diphenylethane with acetyl chloride in the presence of a Friedel-Crafts catalyst to obtain phenyl(acetylphenyl)ethane, reducing by sodium borohydride, and then dehydrating. Phenyl(isopropenylphenyl)ethane is prepared by reacting phenyl(formylphenyl)ethane with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. 1,2-Diphenylethylene is prepared by reacting benzaldehyde with benzylmagnesium bromide, and then dehydrating. 1,2-Diphenylpropene is also prepared by a similar method. 1,1-Diphenylethylene is prepared by reacting diphenyl ketone with a Grignard reagent such as methylmagnesium iodide, and then dehydrating.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: For instance, vinylnaphthalene is prepared by reacting formylnaphthalene with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. Phenyl(vinylphenyl)ethane is prepared by reacting diphenylethane with acetyl chloride in the presence of a Friedel-Crafts catalyst to obtain phenyl(acetylphenyl)ethane, reducing by sodium borohydride, and then dehydrating. Phenyl(isopropenylphenyl)ethane is prepared by reacting phenyl(formylphenyl)ethane with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. 1,2-Diphenylethylene is prepared by reacting benzaldehyde with benzylmagnesium bromide, and then dehydrating. 1,2-Diphenylpropene is also prepared by a similar method. 1,1-Diphenylethylene is prepared by reacting diphenyl ketone with a Grignard reagent such as methylmagnesium iodide, and then dehydrating.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: For instance, vinylnaphthalene is prepared by reacting formylnaphthalene with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. Phenyl(vinylphenyl)ethane is prepared by reacting diphenylethane with acetyl chloride in the presence of a Friedel-Crafts catalyst to obtain phenyl(acetylphenyl)ethane, reducing by sodium borohydride, and then dehydrating. Phenyl(isopropenylphenyl)ethane is prepared by reacting phenyl(acetylphenyl)ethane with a Grignard reagent such as methylmagnesium iodide, and then dehydrating. 1,2-Diphenylethylene is prepared by reacting benzaldehyde with benzylmagnesium bromide, and then dehydrating. 1,2-Diphenylpropene is also prepared by a similar method. 1,1-Diphenylethylene is prepared by reacting diphenyl ketone with a Grignard reagent such as methylmagnesium iodide, and then dehydrating.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 1,2-diphenyl-1-propene (9.7 g, 50 mmol), N-bromosuccinimide (8.9 g, 50 mmol), dibenzoylperoxide (0.1 g) and tetrachloromethane (50 ml) was heated at reflux for 21 h. The mixture was filtered cold and the solvent evaporated from the filtrate in vacuo to give 13.1 g of 3-bromo-1,2-diphenyl-1-propene as an E/Z isomeric mixture. was heated at reflux for 21 h The mixture was filtered cold the solvent evaporated from the filtrate in vacuo

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 0.448 g (2 millimols) of palladium acetate, 28.11 g (0.2 mol) of benzoyl chloride, 23.64 g (0.2 mol) of α-methylstyrene and 27.04 g (0.2 mol) of N-benzyldimethylamine in 400 ml of p-xylene are stirred for 11 hours at 130° C. The mixture is extracted by shaking with 400 ml of 2 NHCl and 400 ml of 2 N NaOH and is then dried over magnesium sulfate. The crude product is chromatographed on silica gel in methylene chloride and subsequently recrystallised from n-pentane. 1.3 g (3% of theory) of α-methylstilbene are obtained as colourless crystals of melting point 79.0° C. The mixture is extracted is then dried over magnesium sulfate The crude product is chromatographed on silica gel in methylene chloride subsequently recrystallised from n-pentane

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Stilbene and 1,2-diphenylpropene may be prepared by reacting benzaldehyde with benzylmagnesium bromide and then carrying out dehydration. Further, 1,1-diphenylethylene may be obtained by reacting diphenyl ketone with a Grignard reagent such as methylmagnesium iodide, followed by dehydration.