ethyl 2-cyano-3,3-diphenylprop-2-enoate

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 62.5 g of menthol and 4 g of Na2CO3 were reacted with one another at 185-200° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 6 h, the reaction mixture was cooled and distilled under reduced pressure, giving 44 g (57%) of menthyl 2-cyano-3,3-diphenylacrylate [λmax=300 nm, E11=351]. with distillative removal of the ethanol formed the reaction mixture was cooled distilled under reduced pressure

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 ml of 2,2,6-trimethylcyclohexanol and 4 g of Na2CO3 were reacted with one another at 184-186° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 3 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, it was distilled under reduced pressure, giving 55 g (74%) of 2,2,6-trimethylcyclohexyl 2-cyano-3,3-diphenylacrylate [λmax=304 nm, E11=351] as a colorless solid. with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled it was distilled under reduced pressure

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 ml of 2,2,6-trimethylcyclohexanol and 4 g of Na2CO3 were reacted with one another at 184-186° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 3 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, it was distilled under reduced pressure, giving 55 g (74%) of 2,2,6-trimethylcyclohexyl 2-cyano-3,3-diphenylacrylate [λmax=304 nm, E11=351] as a colorless solid. with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled it was distilled under reduced pressure

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 ml of 3,3,5-trimethylcyclohexanol and 4 g of Na2CO3 were reacted with one another at 181-184° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 5 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with cyclohexane and dried, giving 29 g (39%) of 3,3,5-trimethylcyclohexyl 2-cyano-3,3-diphenylacrylate [λmax=301 nm, E11=344] as a colorless solid. with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with cyclohexane dried

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 g of norborneol and 4 g of Na2CO3 were reacted with one another at about 185° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 4 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with cyclohexane and dried, giving 37 g (53%) of norbornyl 2-cyano-3,3-diphenylacrylate [λmax=304 nm, E11 =386] as a colorless solid. with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with cyclohexane dried

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 g of norborneol and 4 g of Na2CO3 were reacted with one another at about 185° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 4 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with cyclohexane and dried, giving 37 g (53%) of norbornyl 2-cyano-3,3-diphenylacrylate [λmax=304 nm, E11 =386] as a colorless solid. with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with cyclohexane dried

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

Procedure: 55.4 g (0.2 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 g of norborneol and 4 g of Na2CO3 were reacted with one another at about 185° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 4 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with cyclohexane and dried, giving 37 g (53%) of norbornyl 2-cyano-3,3-diphenylacrylate [λmax=304 nm, E11 =386] as a colorless solid. with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with cyclohexane dried

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

Procedure: 139 g (0.5 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 200 ml of 4-tert-butylcyclohexanol and 10 g of Na2CO3 were reacted together at 182° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 4 h, the reaction mixture was diluted with 300 ml of methanol and filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with petroleum ether and dried, giving 130 g (67%) of 4-tert-butyl-cyclohexyl 2-cyano-3,3-diphenylacrylate as a colorless solid. [λmax 302 nm; E11 (MeOH) 324] formed filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with petroleum ether dried

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

Procedure: 139 g (0.5 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 200 ml of cyclohexanol and 10 g of Na2CO3 were reacted together at 150° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 6 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with petroleum ether and dried, giving 111 g (67%) of cyclohexyl 2-cyano-3,3-diphenylacrylate as a colorless solid. [λmax 300 nm; E11, (MeOH) 381] formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with petroleum ether dried

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

Procedure: 83.1 g (0.3 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 ml of cyclopentanol and 6 g of Na2CO3 were reacted with one another at 145° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 3 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with petroleum ether and dried, giving 78.1 g (82%) of cyclopentyl 2-cyano-3,3-diphenylacrylate as a colorless solid. [λmax 300 nm; E11 (MeOH) 395] with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with petroleum ether dried

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

Procedure: 83.1 g (0.3 mol) of ethyl 2-cyano-3,3-diphenylacrylate (Uvinul 3035), 100 ml of cyclopentanol and 6 g of Na2CO3 were reacted with one another at 145° C. with distillative removal of the ethanol formed, assisted by a stream of nitrogen. After about 3 h, the reaction mixture was filtered hot in order to remove the Na2CO3. After the filtrate had been cooled, the precipitate which had formed was filtered off, washed with petroleum ether and dried, giving 78.1 g (82%) of cyclopentyl 2-cyano-3,3-diphenylacrylate as a colorless solid. [λmax 300 nm; E11 (MeOH) 395] with distillative removal of the ethanol formed the reaction mixture was filtered hot in order to remove the Na2CO3 After the filtrate had been cooled the precipitate which had formed was filtered off washed with petroleum ether dried

Conditions: temp:20.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To 200 ml. of methanol:water (1:4) solution containing 55 g. (0.2 mole) of ethyl β,β-diphenyl-α-cyanoacrylate (CYASORB N-35, American Cyanamid), 18 g. of 50% NaOH (0.22 mole) is added and the soluton is stirred at about 20° C. overnight. After it is washed with ether, the aqueous solution is neutralized with dilute HCl to precipitate the product. The yield is 48 g., 97%, m.p., 207°-209° C. After it is washed with ether to precipitate the product 97%, m.p., 207°-209° C.