iodoethene

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

Conditions: temp:150.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of (1RS,2SR,6RS,7SR)-4-(2,4,6-trimethylphenyl)-10-oxatricyclo[5.2.1.02,6]dec-8-en-3,5-dione (510 mg, 1.8 mmol), vinyl iodide (280 mg, 1.8 mmol), palladium acetate (20 mg, 0.09 mmol), sodium formate (454 mg, 5.4 mmol) and tetrabuylammonium chloride (500 mg, 1.8 mmol) in dry N,N-dimethylformamide (15 ml) are heated at 150° C. for 20 minutes under microwave irradiation. The mixture is cooled to room temperature and partitioned between water and ethyl acetate. The organic extracts are combined, dried over anhydrous magnesium sulfate, filtered and the filtrate is evaporated under reduced pressure. The residue is purified by column chromatography on silica gel to give (1RS,2SR,6RS,7SR,8RS)-4-(2,4,6-trimethylphenyl)-8-vinyl-10-oxatricyclo[5.2.1.02,6]decane-3,5-dione. The mixture is cooled to room temperature partitioned between water and ethyl acetate dried over anhydrous magnesium sulfate filtered the filtrate is evaporated under reduced pressure The residue is purified by column chromatography on silica gel

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

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

Conditions: temp:150.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of (1RS,2SR,6RS,7SR)-4-(2,4,6-trimethylphenyl)-10-oxatricyclo[5.2.1.02,6]dec-8-en-3,5-dione (510 mg, 1.8 mmol), vinyl iodide (280 mg, 1.8 mmol), palladium acetate (20 mg, 0.09 mmol), sodium formate (454 mg, 5.4 mmol) and tetrabuylammonium chloride (500 mg, 1.8 mmol) in dry N,N-dimethylformamide (15 ml) are heated at 150° C. for 20 minutes under microwave irradiation. The mixture is cooled to room temperature and partitioned between water and ethyl acetate. The organic extracts are combined, dried over anhydrous magnesium sulfate, filtered and the filtrate is evaporated under reduced pressure. The residue is purified by column chromatography on silica gel to give (1RS,2SR,6RS,7SR,8RS)-4-(2,4,6-trimethylphenyl)-8-vinyl-10-oxatricyclo[5.2.1.02,6]decane-3,5-dione. The mixture is cooled to room temperature partitioned between water and ethyl acetate dried over anhydrous magnesium sulfate filtered the filtrate is evaporated under reduced pressure The residue is purified by column chromatography on silica gel

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

Procedure: To a deoxygenated solution of 1.01 g (3.28 mmol) of 5-ethyl-2-phenyl-3-propargyl-6-trifluoromethyl-4(3H)-pyrimidinone and 0.61 g (3.96 mmol) of vinyl iodide in 25 mL of triethylamine was added a mixture of 60 mg of copper (I) iodide and 60 mg of bis(triphenylphosphine) palladium (II) chloride. The mixture was stirred at room temperature for 22 h and rotovapped to remove the bulk of the triethylamine. The residue was taken up in 150 mL of ethyl acetate, washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine, and dried. Removal of the solvent left 1.51 g of a brown tar. Flash chromatography on a column of 30 g of silica gel eluting with 20, 40, 60 and 60% ether in hexanes afforded 0.31 g of crude 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone. A second chromatography yielded 0.25 g (23%) of pure 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone (compound 111) as a solid, mp 104°-106° C. 1H-NMR (CDCl3) d 1.25(3H,t), 2.8(2H,q), 4.75(2H,s), 5.5-5.9(3H,m), 7.55(3H,m), 7.7(2H,m). to remove the bulk of the triethylamine washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine dried Removal of the solvent left 1.51 g of a brown tar

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

Procedure: To a deoxygenated solution of 1.01 g (3.28 mmol) of 5-ethyl-2-phenyl-3-propargyl-6-trifluoromethyl-4(3H)-pyrimidinone and 0.61 g (3.96 mmol) of vinyl iodide in 25 mL of triethylamine was added a mixture of 60 mg of copper (I) iodide and 60 mg of bis(triphenylphosphine) palladium (II) chloride. The mixture was stirred at room temperature for 22 h and rotovapped to remove the bulk of the triethylamine. The residue was taken up in 150 mL of ethyl acetate, washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine, and dried. Removal of the solvent left 1.51 g of a brown tar. Flash chromatography on a column of 30 g of silica gel eluting with 20, 40, 60 and 60% ether in hexanes afforded 0.31 g of crude 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone. A second chromatography yielded 0.25 g (23%) of pure 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone (compound 111) as a solid, mp 104°-106° C. 1H-NMR (CDCl3) d 1.25(3H,t), 2.8(2H,q), 4.75(2H,s), 5.5-5.9(3H,m), 7.55(3H,m), 7.7(2H,m). to remove the bulk of the triethylamine washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine dried Removal of the solvent left 1.51 g of a brown tar

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

Procedure: To a deoxygenated solution of 1.01 g (3.28 mmol) of 5-ethyl-2-phenyl-3-propargyl-6-trifluoromethyl-4(3H)-pyrimidinone and 0.61 g (3.96 mmol) of vinyl iodide in 25 mL of triethylamine was added a mixture of 60 mg of copper (I) iodide and 60 mg of bis(triphenylphosphine) palladium (II) chloride. The mixture was stirred at room temperature for 22 h and rotovapped to remove the bulk of the triethylamine. The residue was taken up in 150 mL of ethyl acetate, washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine, and dried. Removal of the solvent left 1.51 g of a brown tar. Flash chromatography on a column of 30 g of silica gel eluting with 20, 40, 60 and 60% ether in hexanes afforded 0.31 g of crude 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone. A second chromatography yielded 0.25 g (23%) of pure 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone (compound 111) as a solid, mp 104°-106° C. 1H-NMR (CDCl3) d 1.25(3H,t), 2.8(2H, q), 4.75(2H,s), 5.5-5.9(3H,m), 7.55(3H,m) 7.7(2H,m). to remove the bulk of the triethylamine washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine dried Removal of the solvent left 1.51 g of a brown tar

Conditions: temp:-78.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of vinyl iodide (1.88 g, 12.2 mmol) in Et2O at −78° C. was added t-butyl lithium (14.3 ml, 1.7 M/pentane, 24.3 mmol). The mixture was stirred at −78° C. for 1 h and warmed up to −30° C. for 5 min. The mixture was cooled back to −78° C. and 2,2,2-trifluoro-1-(2-mercapto-1,3-thiazol-5-yl)ethanone (1.18 g, 5.53 mmol) in Et2O was added. The reaction mixture stirred 30 min at −78° C., brought to 0° C. and partitioned between aqueous NH4Cl and EtOAc. The layers were separated and the aqueous phase was extracted with EtOAc. The combined organic layers were washed with brine and dried over anhydrous Na2SO4. The solvent was evaporated and the residue chromatographed on silica gel (toluene/acetone; 90:10) to give the title compound. warmed up to −30° C. for 5 min The mixture was cooled back to −78° C. The reaction mixture stirred 30 min at −78° C. brought to 0° C. partitioned between aqueous NH4Cl and EtOAc The layers were separated the aqueous phase was extracted with EtOAc The combined organic layers were washed with brine dried over anhydrous Na2SO4 The solvent was evaporated the residue chromatographed on silica gel (toluene/acetone; 90:10)

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

Procedure: To a deoxygenated solution of 1.01 g (3.28 mmol) of 5-ethyl-2-phenyl-3-propargyl-6-trifluoromethyl-4(3H)-pyrimidinone and 0.61 g (3.96 mmol) of vinyl iodide in 25 mL of triethylamine was added a mixture of 60 mg of copper (I) iodide and 60 mg of bis(triphenylphosphine) palladium (II) chloride. The mixture was stirred at room temperature for 22 h and rotovapped to remove the bulk of the triethylamine. The residue was taken up in 150 mL of ethyl acetate, washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine, and dried. Removal of the solvent left 1.51 g of a brown tar. Flash chromatography on a column of 30 g of silica gel eluting with 20, 40, 60 and 60% ether in hexanes afforded 0.31 g of crude 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3 H)-pyrimidinone. A second chromatography yielded 0.25 g (23%) of pure 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone (compound 111) as a solid, mp 104°-106° C. 1H-NMR (CDCl3) d 1.25(3H,t), 2.8(2H,q), 4.75(2H,s), 5.5-5.9(3H,m), 7.55(3H,m), 7.7(2H,m). to remove the bulk of the triethylamine washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine dried Removal of the solvent left 1.51 g of a brown tar

Conditions: temp:150.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of (1RS,2SR,6RS,7SR)-4-(2,4,6-trimethylphenyl)-10-oxatricyclo[5.2.1.02,6]dec-8-en-3,5-dione (510 mg, 1.8 mmol), vinyl iodide (280 mg, 1.8 mmol), palladium acetate (20 mg, 0.09 mmol), sodium formate (454 mg, 5.4 mmol) and tetrabuylammonium chloride (500 mg, 1.8 mmol) in dry N,N-dimethylformamide (15 ml) are heated at 150° C. for 20 minutes under microwave irradiation. The mixture is cooled to room temperature and partitioned between water and ethyl acetate. The organic extracts are combined, dried over anhydrous magnesium sulfate, filtered and the filtrate is evaporated under reduced pressure. The residue is purified by column chromatography on silica gel to give (1RS,2SR,6RS,7SR,8RS)-4-(2,4,6-trimethylphenyl)-8-vinyl-10-oxatricyclo[5.2.1.02,6]decane-3,5-dione. The mixture is cooled to room temperature partitioned between water and ethyl acetate dried over anhydrous magnesium sulfate filtered the filtrate is evaporated under reduced pressure The residue is purified by column chromatography on silica gel

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

Procedure: To a deoxygenated solution of 1.01 g (3.28 mmol) of 5-ethyl-2-phenyl-3-propargyl-6-trifluoromethyl-4(3H)-pyrimidinone and 0.61 g (3.96 mmol) of vinyl iodide in 25 mL of triethylamine was added a mixture of 60 mg of copper (I) iodide and 60 mg of bis(triphenylphosphine) palladium (II) chloride. The mixture was stirred at room temperature for 22 h and rotovapped to remove the bulk of the triethylamine. The residue was taken up in 150 mL of ethyl acetate, washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine, and dried. Removal of the solvent left 1.51 g of a brown tar. Flash chromatography on a column of 30 g of silica gel eluting with 20, 40, 60 and 60% ether in hexanes afforded 0.31 g of crude 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone. A second chromatography yielded 0.25 g (23%) of pure 5-ethyl-3-(pent-2-yn-4-en-1-yl)-2-phenyl-6-trifluoromethyl-4(3H)-pyrimidinone (compound 111) as a solid, mp 104°-106° C. 1H-NMR (CDCl3) d 1.25(3H,t), 2.8(2H,q), 4.75(2H,s), 5.5-5.9(3H,m), 7.55(3H,m), 7.7(2H,m). to remove the bulk of the triethylamine washed with 75 mL of 5% aqueous hydrochloric acid, 75 mL of saturated aqueous sodium bicarbonate and 75 mL of brine dried Removal of the solvent left 1.51 g of a brown tar