4-cyclohexylbutan-1-ol

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: 4-cyclohexylbutyric acid (Aldrich) is reduced with excess lithium aluminum hydride in ether to yield 4-cyclohexyl-1-butanol (D. S. Hiers and R. Adams, J. Am. Chem. Soc., 48 2385 (1926)) which is chloro-methylated with hydrogen chloride and formaldehyde to yield the desired compound.

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

Procedure: 4-cyclohexylbutyric acid (Aldrich) is reduced with excess lithium aluminum hydride in ether to yield 4-cyclohexyl-1-butanol (D. S. Hiers and R. Adams, J. Am. Chem. Soc., 48 2385 (1926)) which is chloro-methylated with hydrogen chloride and formaldehyde to yield the desired compound.

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

Procedure: 4-cyclohexylbutyric acid (Aldrich) is reduced with excess lithium aluminum hydride in ether to yield 4-cyclohexyl-1-butanol (D. S. Hiers and R. Adams, J. Am. Chem. Soc., 48 2385 (1926)) which is chloro-methylated with hydrogen chloride and formaldehyde to yield the desired compound.

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

Procedure: 4-cyclohexylbutyric acid (Aldrich) is reduced with excess lithium aluminum hydride in ether to yield 4-cyclohexyl-1-butanol (D. S. Hiers and R. Adams, J. Am. Chem. Soc., 48 2385 (1926)) which is cloro-methylated with hydrogen chloride and formaldehyde to yield the desired compound.

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

Procedure: 4-Cyclohexyl-1-butanol (5.00 g) was dissolved in methylene chloride (100 ml), triphenylphosphine (9.15 g) and N-bromosuccinimide (6.21 g) were added under ice-cooling, and the mixture was stirred under ice-cooling for 1 hr, and further at room temperature for 3 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 (hexane alone) to give the object product (6.30 g) as a colorless oil. cooling cooling for 1 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 (hexane alone)

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

Procedure: 4-Cyclohexyl-1-butanol (5.00 g) was dissolved in methylene chloride (100 ml), triphenylphosphine (9.15 g) and N-bromosuccinimide (6.21 g) were added under ice-cooling, and the mixture was stirred under ice-cooling for 1 hr, and further at room temperature for 3 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 (hexane alone) to give the object product (6.30 g) as a colorless oil. cooling cooling for 1 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 (hexane alone)

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

Procedure: Add Dess-Martin reagent (7.02 g, 16.6 mmol) to a stirred solution of 4-cyclohexyl-1-butanol (2.5 mL, 14.4 mmol) in anhydrous dichloromethane (120 mL). Stir for 3 h at room temperature under nitrogen Add diethyl ether (200 mL) and 1N sodium hydroxide (150 mL) and stir for 10 minutes. Separate the layers and extract a second time with diethyl ether (100 mL). Combine the diethyl ether extracts, wash with 1N sodium hydroxide (100 mL), dry over magnesium sulfate, filter, and concentrate on a rotary evaporator to yield 2.01 g (90%) of 4-cyclohexyl-butyraldehyde: 1H NMR (CDCl3): 9.76 (s, 1H), 2.41-2.37 (m, 2H), 1.71-1.58 (m, 7H), 1.27-1.07 (m, 6H), 0.93-0.82 (m, 2H). stir for 10 minutes Separate the layers extract a second time with diethyl ether (100 mL) wash with 1N sodium hydroxide (100 mL) dry over magnesium sulfate filter concentrate on a rotary evaporator

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

Procedure: Add Dess-Martin reagent (7.02 g, 16.6 mmol) to a stirred solution of 4-cyclohexyl-1-butanol (2.5 mL, 14.4 mmol) in anhydrous dichloromethane (120 mL). Stir for 3 h at room temperature under nitrogen Add diethyl ether (200 mL) and 1N sodium hydroxide (150 mL) and stir for 10 minutes. Separate the layers and extract a second time with diethyl ether (100 mL). Combine the diethyl ether extracts, wash with 1N sodium hydroxide (100 mL), dry over magnesium sulfate, filter, and concentrate on a rotary evaporator to yield 2.01 g (90%) of 4-cyclohexyl-butyraldehyde: 1H NMR (CDCl3): 9.76 (s, 1H), 2.41-2.37 (m, 2H), 1.71-1.58 (m, 7H), 1.27-1.07 (m, 6H), 0.93-0.82 (m, 2H). stir for 10 minutes Separate the layers extract a second time with diethyl ether (100 mL) wash with 1N sodium hydroxide (100 mL) dry over magnesium sulfate filter concentrate on a rotary evaporator

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

Procedure: Add Dess-Martin reagent (7.02 g, 16.6 mmol) to a stirred solution of 4-cyclohexyl-1-butanol (2.5 mL, 14.4 mmol) in anhydrous dichloromethane (120 mL). Stir for 3 h at room temperature under nitrogen. Add diethyl ether (200 mL) and 1N sodium hydroxide (150 mL) and stir for 10 minutes. Separate the layers and extract a second time with diethyl ether (100 mL). Combine the diethyl ether extracts, wash with 1N sodium hydroxide (100 mL), dry over magnesium sulfate, filter, and concentrate on a rotary evaporator to yield 2.01 g (90%) of 4-cyclohexyl-butyraldehyde: 1H NMR (CDCl3): 9.76 (s, 1H), 2.41-2.37 (m, 2H), 1.71-1.58 (m, 7H), 1.27-1.07 (m, 6H), 0.93-0.82 (m, 2H). Separate the layers extract a second time with diethyl ether (100 mL) wash with 1N sodium hydroxide (100 mL) dry over magnesium sulfate filter concentrate on a rotary evaporator