isocyanatocycloheptane

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

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

Procedure: 0.01 mol of NaOH in solution in a minimum of water is added to a solution of 2.4 g of (4-(cycloheptylamino)pyrid-3-yl)sulphonamide in 80 cm3 of a mixture of water and acetone (1/1). Stirring is effected with a bar magnet and 2.1 g of cycloheptyl isocyanate are added. Stirring is continued while monitoring the progress of the reaction by thin layer chromatography. Evaporation is carried out in vacuo and the residue is taken up in 100 cm3 of 0.2N NaOH. After filtering, the pH of the solution is adjusted to 6.5 and the resulting precipitate is suction-filtered and then dried. The N-{[4-(cycloheptylamino)pyrid-3-yl]sulphonyl}-N'-(cycloheptyl)urea so obtained may optionally be recrystallised from an aqueous alcoholic solution. is effected with a bar Stirring the progress of the reaction by thin layer chromatography Evaporation After filtering the resulting precipitate is suction-filtered dried

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

Procedure: 0.01 mol of NaOH in solution in a minimum of water is added to a solution of 2.4 g of (4-(cycloheptylamino)pyrid-3-yl)sulphonamide in 80 cm3 of a mixture of water and acetone (1/1). Stirring is effected with a bar magnet and 2.1 g of cycloheptyl isocyanate are added. Stirring is continued while monitoring the progress of the reaction by thin layer chromatography. Evaporation is carried out in vacuo and the residue is taken up in 100 cm3 of 0.2N NaOH. After filtering, the pH of the solution is adjusted to 6.5 and the resulting precipitate is suction-filtered and then dried. The N-{[4-(cycloheptylamino)pyrid-3-yl]sulphonyl}-N'-(cycloheptyl)urea so obtained may optionally be recrystallised from an aqueous alcoholic solution. is effected with a bar Stirring the progress of the reaction by thin layer chromatography Evaporation After filtering the resulting precipitate is suction-filtered dried

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

Procedure: The titled compound was prepared in 91% yield from cycloheptyl isocyanate using the procedure detailed for compound 7. mp 164.2-169.8° C. 1H NMR (300 MHz, DMSO-d6): δ 7.79 (d, J=9 Hz, 2H), 7.47-7.36 (m, 7H), 7.29-7.22 (m, 2H), 6.55 (s, 1H), 5.82-5.70 (m, 2H), 3.63-3.49 (m, 1H), 3.13-3.02 (m, 2H), 2.63 (t, J=8 Hz, 2H), 1.84-1.66 (m, 4H), 1.60-1.27 (m, 10H). MS (ESI) m/z: 496.24 (M+H+).

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

Procedure: The titled compound was prepared in 91% yield from cycloheptyl isocyanate using the procedure detailed for compound 7. mp 164.2-169.8° C. 1H NMR (300 MHz, DMSO-d6): δ 7.79 (d, J=9 Hz, 2H), 7.47-7.36 (m, 7H), 7.29-7.22 (m, 2H), 6.55 (s, 1H), 5.82-5.70 (m, 2H), 3.63-3.49 (m, 1H), 3.13-3.02 (m, 2H), 2.63 (t, J=8 Hz, 2H), 1.84-1.66 (m, 4H), 1.60-1.27 (m, 10H). MS (ESI) m/z: 496.24 (M+H+).

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

Procedure: 0.01 mol of NaOH in solution in a minimum of water is added to a solution of 2.4 g of (4-(cycloheptylamino)pyrid-3-yl)sulphonamide in 80 cm3 of a mixture of water and acetone (1/1). Stirring is effected with a bar magnet and 2.1 g of cycloheptyl isocyanate are added. Stirring is continued while monitoring the progress of the reaction by thin layer chromatography. Evaporation is carried out in vacuo and the residue is taken up in 100 cm3 of 0.2N NaOH. After filtering, the pH of the solution is adjusted to 6.5 and the resulting precipitate is suction-filtered and then dried. The N-{[4-(cycloheptylamino)pyrid-3-yl]sulphonyl}-N'-(cycloheptyl)urea so obtained may optionally be recrystallised from an aqueous alcoholic solution. is effected with a bar Stirring the progress of the reaction by thin layer chromatography Evaporation After filtering the resulting precipitate is suction-filtered dried

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

Procedure: Treat 1-(4-Chlorophenyl)-2-isopropyl-2,7-diazaspiro[3.5]nonane, Isomer A (0.015 g) in ClCH2CH2Cl (1 mL) and acetonitrile (1 mL) with cycloheptyl isocyanate (18 uL), and the resulting mixture stirred at RT for 424 h. P—S Trisamine (Argoonaut, 4.64 mmol/g) (120 g) and ClCH2CH2Cl (2 mL) were added and the resulting mixture was shaken to 20 h. The reaction mixture was filtered, the resin washed with CH2Cl2 (2 mL). The resulting filtrate was concentrated in vacuo and then placed on a silica gel plate (1000 u) and eluted with CH2Cl2:MeOH (95:5) to give of 1-(4-chlorophenyl)-2-isopropyl-2,7-diazaspiro[3.5]nonane-7-carboxamide, white residue (0.0208 g). Add MeOH (0.5 mL) and 0.1N HCl in MeOH (1 mL), and concentrate in vacuo to give the title compound, as a white solid (0.0222 g). The reaction mixture was filtered the resin washed with CH2Cl2 (2 mL) The resulting filtrate was concentrated in vacuo eluted with CH2Cl2:MeOH (95:5)

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

Procedure: The titled compound was prepared in 91% yield from cycloheptyl isocyanate using the procedure detailed for compound 7. mp 164.2-169.8° C. 1H NMR (300 MHz, DMSO-d6): δ 7.79 (d, J=9 Hz, 2H), 7.47-7.36 (m, 7H), 7.29-7.22 (m, 2H), 6.55 (s, 1H), 5.82-5.70 (m, 2H), 3.63-3.49 (m, 1H), 3.13-3.02 (m, 2H), 2.63 (t, J=8 Hz, 2H), 1.84-1.66 (m, 4H), 1.60-1.27 (m, 10H). MS (ESI) m/z: 496.24 (M+H+).

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

Procedure: 0.01 mol of NaOH in solution in a minimum of water is added to a solution of 2.4 g of (4-(cycloheptylamino)pyrid-3-yl)sulphonamide in 80 cm3 of a mixture of water and acetone (1/1). Stirring is effected with a bar magnet and 2.1 g of cycloheptyl isocyanate are added. Stirring is continued while monitoring the progress of the reaction by thin layer chromatography. Evaporation is carried out in vacuo and the residue is taken up in 100 cm3 of 0.2N NaOH. After filtering, the pH of the solution is adjusted to 6.5 and the resulting precipitate is suction-filtered and then dried. The N-{[4-(cycloheptylamino)pyrid-3-yl]sulphonyl}-N'-(cycloheptyl)urea so obtained may optionally be recrystallised from an aqueous alcoholic solution. is effected with a bar Stirring the progress of the reaction by thin layer chromatography Evaporation After filtering the resulting precipitate is suction-filtered dried