4-(3-HYDROXY-PROPYL)-BENZONITRILE

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

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

Procedure: Compound 72-2 (4.22 g) was dissolved in methylene chloride (30 ml), triphenylphosphine (7.58 g) and N-bromosuccinimide (5.14 g) were added under ice-cooling, and the mixture was stirred under ice-cooling for 2 hr. The reaction mixture was washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. Diethyl ether (100 ml) was added, and the precipitated triphenylphosphine oxide was filtered off. The concentrate of the filtrate was purified by silica gel column chromatography to give the object product (5.37 g) as a colorless oil. cooling cooling for 2 hr The reaction mixture was washed with water and saturated brine dried over anhydrous magnesium sulfate The solvent was evaporated under reduced pressure Diethyl ether (100 ml) was added the precipitated triphenylphosphine oxide was filtered off The concentrate of the filtrate was purified by silica gel column chromatography

Conditions: temp:65.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A suspension of Compound 72-1 (5.79 g) and chlorotris(triphenylphosphine)rhodium(I) (5.00 g) in toluene (150 ml) was stirred under a hydrogen atmosphere at 65° C. for 15 hr. The reaction mixture was concentrated, diisopropyl ether was added and the mixture was filtered through celite. The filtrate was concentrated and the obtained residue was purified by silica gel column chromatography (hexane:ethyl acetate=99:1-50:50) to give the object product (4.20 g) as a brown oil. The reaction mixture was concentrated diisopropyl ether was added the mixture was filtered through celite The filtrate was concentrated the obtained residue was purified by silica gel column chromatography (hexane:ethyl acetate=99:1-50:50)

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

Procedure: To a solution of 4-(3-hydroxypropyl)benzonitrile (1.8 g, 11.2 mmol) in CH2Cl2 (50 mL) at 0° C., Et3N (1.06 mL, 13.4 mmol) and then MsCl (0.95 mL, 12.5 mmol) were added. Upon completion, the reaction mixture was poured into 0.5M HCl and extracted with EtOAc. The crude mesylate was dissolved in acetone and treated with NaI (3.0 g, 20.0 mmol) in the dark at room temperature. When complete, the reaction was purified by flash chromatography on silica gel eluting with 15% EtOAc in Hexanes to afford the title compound. extracted with EtOAc The crude mesylate was dissolved in acetone When complete, the reaction was purified by flash chromatography on silica gel eluting with 15% EtOAc in Hexanes