1,2,2A,3,4,5-六氢苊-1-酮

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:75.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a mixture of 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one (12.2 g, 70.9 mmol), hydroxylamine hydrochloride (7.85 g) and water (90 ml) were slowly added sodium acetate (14.5 g), methanol (120 ml), THF (30 ml) and water (60 ml) with stirring while heating at 75° C., and the mixture was stirred for 2 hr and 40 min. After cooling to room temperature, methanol was evaporated under reduced pressure, and the obtained precipitate was collected by filtration, and washed with water to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one oxime (13.5 g). the mixture was stirred for 2 hr and 40 min After cooling to room temperature methanol was evaporated under reduced pressure the obtained precipitate was collected by filtration washed with water

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 2a,3,4,5-Tetrahydro-2H-acenaphthylen-1-one (4.85 g) was dissolved in methanol (70 ml). Sodium borohydride (1.07 g) was added to the solution under ice-cooling, and the mixture was stirred at room temperature for 1 hr. The reaction mixture was poured into water, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, dried over magnesium sulfate, and concentrated to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-ol. cooling the mixture was extracted with ethyl acetate The extract was washed with water and saturated brine dried over magnesium sulfate concentrated

反应条件: temp:75.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a mixture of 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one (12.2 g, 70.9 mmol), hydroxylamine hydrochloride (7.85 g) and water (90 ml) were slowly added sodium acetate (14.5 g), methanol (120 ml), THF (30 ml) and water (60 ml) with stirring while heating at 75° C., and the mixture was stirred for 2 hr and 40 min. After cooling to room temperature, methanol was evaporated under reduced pressure, and the obtained precipitate was collected by filtration, and washed with water to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one oxime (13.5 g). the mixture was stirred for 2 hr and 40 min After cooling to room temperature methanol was evaporated under reduced pressure the obtained precipitate was collected by filtration washed with water

反应条件: temp:75.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a mixture of 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one (12.2 g, 70.9 mmol), hydroxylamine hydrochloride (7.85 g) and water (90 ml) were slowly added sodium acetate (14.5 g), methanol (120 ml), THF (30 ml) and water (60 ml) with stirring while heating at 75° C., and the mixture was stirred for 2 hr and 40 min. After cooling to room temperature, methanol was evaporated under reduced pressure, and the obtained precipitate was collected by filtration, and washed with water to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one oxime (13.5 g). the mixture was stirred for 2 hr and 40 min After cooling to room temperature methanol was evaporated under reduced pressure the obtained precipitate was collected by filtration washed with water

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 2a,3,4,5-Tetrahydro-2H-acenaphthylen-1-one (4.85 g) was dissolved in methanol (70 ml). Sodium borohydride (1.07 g) was added to the solution under ice-cooling, and the mixture was stirred at room temperature for 1 hr. The reaction mixture was poured into water, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, dried over magnesium sulfate, and concentrated to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-ol. cooling the mixture was extracted with ethyl acetate The extract was washed with water and saturated brine dried over magnesium sulfate concentrated

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 2a,3,4,5-Tetrahydro-2H-acenaphthylen-1-one (4.85 g) was dissolved in methanol (70 ml). Sodium borohydride (1.07 g) was added to the solution under ice-cooling, and the mixture was stirred at room temperature for 1 hr. The reaction mixture was poured into water, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, dried over magnesium sulfate, and concentrated to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-ol. cooling the mixture was extracted with ethyl acetate The extract was washed with water and saturated brine dried over magnesium sulfate concentrated

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a suspension of 50% sodium hydride (7.4 g) in anhydrous dioxane (50 ml), under nitrogen, a solution of diethyl oxalate (34.5 g) in anhydrous dioxane (20 ml) and then a solution of 2a,3,4,5-tetrahydro-acenaphthen-1-one (20.4 g) in anhydrous dioxane (130 ml) are added under stirring at room temperature. The reaction mixture is kept under stirring at a temperature varying between about 25° C. and about 45° C. for 4 hours, then it is diluted with ice water (1500 ml) and acidified to pH 4 with 2N HCl. The precipitate is filtered, washed with water and then purified by treatment with methanol to give 2-ethoxalyl-2a,3,4,5-tetrahydro-acenaphthen-1-one (30.8 g), m.p. 92°-94° C., wich is reacted with methylhydrazine (5.7 g) in acetic acid (300 ml) at 50° C. for 1 hour. under stirring at a temperature The precipitate is filtered washed with water purified by treatment with methanol

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a suspension of 50% sodium hydride (7.4 g) in anhydrous dioxane (50 ml), under nitrogen, a solution of diethyl oxalate (34.5 g) in anhydrous dioxane (20 ml) and then a solution of 2a,3,4,5-tetrahydro-acenaphthen-1-one (20.4 g) in anhydrous dioxane (130 ml) are added under stirring at room temperature. The reaction mixture is kept under stirring at a temperature varying between about 25° C. and about 45° C. for 4 hours, then it is diluted with ice water (1500 ml) and acidified to pH=4 with 2N HCl. The precipitate is filtered, washed with water and then purified by treatment with methanol to give 2-ethoxalyl-2a,3,4,5-tetrahydroacenaphthen-1-one (30.8 g), m.p. 92°-94° C., which is reacted with methylhydrazine (5.7 g) in acetic acid (300 ml) at 50° C. for 1 hour. under stirring at a temperature The precipitate is filtered washed with water purified by treatment with methanol

反应条件: temp:75.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a mixture of 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one (12.2 g, 70.9 mmol), hydroxylamine hydrochloride (7.85 g) and water (90 ml) were slowly added sodium acetate (14.5 g), methanol (120 ml), THF (30 ml) and water (60 ml) with stirring while heating at 75° C., and the mixture was stirred for 2 hr and 40 min. After cooling to room temperature, methanol was evaporated under reduced pressure, and the obtained precipitate was collected by filtration, and washed with water to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-one oxime (13.5 g). the mixture was stirred for 2 hr and 40 min After cooling to room temperature methanol was evaporated under reduced pressure the obtained precipitate was collected by filtration washed with water

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 2a,3,4,5-Tetrahydro-2H-acenaphthylen-1-one (4.85 g) was dissolved in methanol (70 ml). Sodium borohydride (1.07 g) was added to the solution under ice-cooling, and the mixture was stirred at room temperature for 1 hr. The reaction mixture was poured into water, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, dried over magnesium sulfate, and concentrated to give 2a,3,4,5-tetrahydro-2H-acenaphthylen-1-ol. cooling the mixture was extracted with ethyl acetate The extract was washed with water and saturated brine dried over magnesium sulfate concentrated