2-Cyanoethyl acetate

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 5-chloro-2-methoxybenzaldehyde (32.2 g), cyanoethyl acetate and triethylbenzyl ammonium chloride (8.6 g) was stirred at 80° C. for 7 hours. To the reaction solution, isopropyl alcohol (97 ml) was added, then the mixture was stirred under ice cooling for 1 hour. The precipitated crystals were collected by filtration and dried in vacuo to obtain the title compound in an amount of 42.7 g as crystals. the mixture was stirred under ice cooling for 1 hour The precipitated crystals were collected by filtration dried in vacuo

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Cyanoethylacetate (2.07 g, 18.3 mmol) and 4-cyanobenzaldehyde (2.40 g, 18.3 mmol) are dissolved in ethanol (125 ml) under an argon atmosphere. Piperidine (46.7 mg, 0.55 mmol) is added, and the reaction mixture is stirred for 2 hours at room temperature. An ethanol (300 ml) solution of Example 1A (5.00 g, 18.3 mmol) and additional piperidine (0.156 g, 1.83 mmol) is added, and the reaction mixture is stirred at reflux for 16 hours. The reaction mixture is concentrated in vacuo and chromatographed over silica get with cyclohexane/ethyl acetate mixtures to give a pale yellow oil. the reaction mixture is stirred at reflux for 16 hours The reaction mixture is concentrated in vacuo chromatographed over silica get with cyclohexane/ethyl acetate to give a pale yellow oil

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 5-chloro-2-methoxybenzaldehyde (32.2 g), cyanoethyl acetate and triethylbenzyl ammonium chloride (8.6 g) was stirred at 80° C. for 7 hours. To the reaction solution, isopropyl alcohol (97 ml) was added, then the mixture was stirred under ice cooling for 1 hour. The precipitated crystals were collected by filtration and dried in vacuo to obtain the title compound in an amount of 42.7 g as crystals. the mixture was stirred under ice cooling for 1 hour The precipitated crystals were collected by filtration dried in vacuo