2-(dimethylamino)ethyl benzoate

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: In accordance with the procedure of Example 10, 89.1 g of 2-dimethylaminoethanol and 140.5 g of benzoyl chloride are reacted in altogether 300 ml of CHCl3. The reaction mixture is neutralised with 210 ml of 20% NaOH. Yield: 187.7 g (97.1%) of analytically pure product (analysis by gas chromatography) with a boiling point of 127° C./9 torr.

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: In accordance with the procedure of Example 10, 89.1 g of 2-dimethylaminoethanol and 140.5 g of benzoyl chloride are reacted in altogether 300 ml of CHCl3. The reaction mixture is neutralised with 210 ml of 20% NaOH. Yield: 187.7 g (97.1%) of analytically pure product (analysis by gas chromatography) with a boiling point of 127° C./9 torr.

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: In accordance with the procedure of Example 10, 89.1 g of 2-dimethylaminoethanol and 140.5 g of benzoyl chloride are reacted in altogether 300 ml of CHCl3. The reaction mixture is neutralised with 210 ml of 20% NaOH. Yield: 187.7 g (97.1%) of analytically pure product (analysis by gas chromatography) with a boiling point of 127° C./9 torr.

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: In accordance with the procedure of Example 10, 89.1 g of 2-dimethylaminoethanol and 140.5 g of benzoyl chloride are reacted in altogether 300 ml of CHCl3. The reaction mixture is neutralised with 210 ml of 20% NaOH. Yield: 187.7 g (97.1%) of analytically pure product (analysis by gas chromatography) with a boiling point of 127° C./9 torr.

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of 38.64 grams (0.20 mol) of 2-(N,N-dimethylamino)ethyl benzoate prepared as described in Example 1, 17.51 grams (0.10 mol) of α,α'dichloro-p-xylene and 112 milliters of acetonitrile was heated at reflux for 10 minutes. Solid began to precipitate at this time. Acetonitrile (55 milliters) was added and heating was continued for another 5 minutes. The reaction set up to a solid mass and was cooled. The solid was collected with acetonitrile rinse. The solid was washed with ether and dried. The yield of product was 44.0 grams (78.4% of theory); mp=209° C. dec. was heated at reflux for 10 minutes to precipitate at this time Acetonitrile (55 milliters) was added heating was cooled The solid was collected with acetonitrile rinse The solid was washed with ether dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of 70.29 grams (0.50 mol) of benzoyl chloride in 500 milliters of methylene chloride was added to a solution of 44.57 grams (0.50 mol) of 2-dimethylaminoethanol, 20.0 grams (0.50 mol) of sodium hydroxideand 500 milliters of water over 15 minutes with rapid stirring. Stirring was continued for 3.25 hours after which the organic layer was separated, washed with water, dried over MgSO4 and concentrated. Distillation of the residue gave 59.5 grams of product; bp=102°-108° C./0.50 min. after which the organic layer was separated washed with water dried over MgSO4 concentrated Distillation of the residue

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Equimolar amounts of 2-bromoethyl benzoate (45.8 g) and 2-(N,N-dimethylamino)ethyl benzoate (38.5 g) were dissolved in 170 ml of acetonitrile and heated at reflux for 16 hours. The reaction mixture was then cooled and the resultant solid was collected, washed with ether, and dried to yield 62.4 g of the title compound, mp=169°-70° C. heated at reflux for 16 hours The reaction mixture was then cooled the resultant solid was collected washed with ether dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of 57.96 g (0.30 mol) of 2-(N,N-dimethylamino)ethyl benzoate (prepared as described in Example 2), 37.98 g (0.30 mol) of benzyl chloride and 500 ml of acetonitrile was heated at reflux for 2 hours. The reaction mixture was concentrated to a white solid which was then washed with ether and recrystallized from acetonitrile. The yield of product was 69.0 g; mp=164°-6° C. at reflux for 2 hours The reaction mixture was concentrated to a white solid which was then washed with ether recrystallized from acetonitrile