1,1,2,2,3-pentachlorocyclopropane

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (25 g, 0.116 mol) is added to a suspension of potassium hydroxide (7.8 g, 0.139 mol) in 1,4-dioxane (900 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Ethoxymethylfuran (17.5 g, 0.139 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate is evaporated under reduced pressure to give (1S*,5S*)-2,3,4,4-tetrachloro-1-ethoxymethyl-8-oxabicyclo[3.2.1]octa-2,6-diene (23 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate is evaporated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (100 g, 0.467 mol) is added to a suspension of potassium hydroxide (31.4 g, 0.56 mol) in 1,4-dioxane (3600 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Methylfuran (38.36 g, 0.467 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate evaporated under reduced pressure to give (1R*,5S*)-2,3,4,4-tetrachloro-1-methyl-8-oxabicyclo[3.2.1]octa-2,6-diene (83 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate evaporated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (25 g, 0.116 mol) is added to a suspension of potassium hydroxide (7.8 g, 0.139 mol) in 1,4-dioxane (900 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Ethoxymethylfuran (17.5 g, 0.139 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate is evaporated under reduced pressure to give (1S*,5S*)-2,3,4,4-tetrachloro-1-ethoxymethyl-8-oxabicyclo[3.2.1]octa-2,6-diene (23 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate is evaporated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (25 g, 0.116 mol) is added to a suspension of potassium hydroxide (7.8 g, 0.139 mol) in 1,4-dioxane (900 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Ethoxymethylfuran (17.5 g, 0.139 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate is evaporated under reduced pressure to give (1S*,5S*)-2,3,4,4-tetrachloro-1-ethoxymethyl-8-oxabicyclo[3.2.1]octa-2,6-diene (23 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate is evaporated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (100 g, 0.467 mol) is added to a suspension of potassium hydroxide (31.4 g, 0.56 mol) in 1,4-dioxane (3600 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Methylfuran (38.36 g, 0.467 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate evaporated under reduced pressure to give (1R*,5S*)-2,3,4,4-tetrachloro-1-methyl-8-oxabicyclo[3.2.1]octa-2,6-diene (83 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate evaporated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (100 g, 0.467 mol) is added to a suspension of potassium hydroxide (31.4 g, 0.56 mol) in 1,4-dioxane (3600 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Methylfuran (38.36 g, 0.467 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate evaporated in vacuo to give (1R*,5S*)-2,3,4,4-tetrachloro-1-methyl-8-oxabicyclo[3.2.1]octa-2,6-diene (83 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate evaporated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (100 g, 0.467 mol) is added to a suspension of potassium hydroxide (31.4 g, 0.56 mol) in 1,4-dioxane (3600 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Methylfuran (38.36 g, 0.467 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate evaporated in vacuo to give (1R*,5S*)-2,3,4,4-tetrachloro-1-methyl-8-oxabicyclo[3.2.1]octa-2,6-diene (83 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate evaporated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (100 g, 0.467 mol) is added to a suspension of potassium hydroxide (31.4 g, 0.56 mol) in 1,4-dioxane (3600 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Methylfuran (38.36 g, 0.467 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate evaporated in vacuo to give (1R*,5S*)-2,3,4,4-tetrachloro-1-methyl-8-oxabicyclo[3.2.1]octa-2,6-diene (83 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate evaporated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (25 g, 0.116 mol) is added to a suspension of potassium hydroxide (7.8 g, 0.139 mol) in 1,4-dioxane (900 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Ethoxymethylfuran (17.5 g, 0.139 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate is evaporated under reduced pressure to give (1S*,5S*)-2,3,4,4-tetrachloro-1-ethoxymethyl-8-oxabicyclo[3.2.1]octa-2,6-diene (23 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate is evaporated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Pentachlorocyclopropane (100 g, 0.467 mol) is added to a suspension of potassium hydroxide (31.4 g, 0.56 mol) in 1,4-dioxane (3600 ml) and the mixture is stirred at room temperature for 30 minutes and then heated to 65° C. for a further 30 minutes. 2-Methylfuran (38.36 g, 0.467 mol) is added to the reaction mixture, the temperature is raised to 85-90° C. and the mixture is stirred for 16 hours. The reaction mixture is cooled to room temperature, filtered through a plug of diatomaceous earth and the filtrate evaporated under reduced pressure to give (1R*,5S*)-2,3,4,4-tetrachloro-1-methyl-8-oxabicyclo[3.2.1]octa-2,6-diene (83 g), used without further purification in the next step. heated to 65° C. for a further 30 minutes the temperature is raised to 85-90° C. the mixture is stirred for 16 hours The reaction mixture is cooled to room temperature filtered through a plug of diatomaceous earth the filtrate evaporated under reduced pressure