Trichloromethanethiol → HCID 18411445, compound
Reaction equation
Cl.[Cl:2][C:3]1[CH:4]=[C:5]([CH:9]([O:13][CH:14]2[CH2:19][CH2:18][CH2:17][CH2:16][O:15]2)[C:10]([NH2:12])=[NH:11])[CH:6]=[CH:7][CH:8]=1.[OH-].[Na+].[Cl:22][C:23]([SH:26])(Cl)Cl>ClCCl>[Cl:22][C:23]1[S:26][N:12]=[C:10]([CH:9]([C:5]2[CH:6]=[CH:7][CH:8]=[C:3]([Cl:2])[CH:4]=2)[O:13][CH:14]2[CH2:19][CH2:18][CH2:17][CH2:16][O:15]2)[N:11]=1Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
To an ice-cooled solution of 2-(3-chlorophenyl)-2-(tetrahydropyran-2-yloxy)acetamidine hydrochloride (12.0 g, 39.51 mmol) in dichloromethane (20 mL) and sodium hydroxide (9.49 g, 0.237 mol, dissolved in 60 mL water) was added a solution of perchloromethyl mercaptan (9.18 g, 49.46 mmol) in dichloromethane (50 mL) over a period of 35 min. The reaction mixture was stirred at ice-cold temperature for a further 1 h and the organic layer was collected, dried (sodium sulfate), filtered and concentrated in vacuo. Purification by column chromatography on silica gel using a mixture of hexane and ethyl acetate (94/6) afforded the title compound as a light yellow oil (8.4 g, 61.5%). 1H-NMR (CDCl3) δ7.56 (d, J=6.9 Hz, 1H, Ar--H), 7.39-7.44 (m, 1H, Ar--H), 7.28-7.32 (m, 2H, Ar--H),6.08 and 6.03 (s, 0.5H each, α-H), 4.84 and 4.72 (t, J=3.1Hz, 0.5H each, OCHO), 3.49-3.92 (m, 2H, OCH2), 1.55-1.94 (m, 6H, 3CH2).
Workup
- customthe organic layer was collected
- dry with materialdried (sodium sulfate)
- filtrationfiltered
- concentrationconcentrated in vacuo
- customPurification by column chromatography on silica gel using
- additiona mixture of hexane and ethyl acetate (94/6)
Sources & evidence
- ORD record
- ord-481b687af6db4224af92faede64a7f01
- Source dataset
- uspto-grants-2000_05
- Patent number
- US06060472
Reaction notes
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