Diethyl Ether → 2-(3,5-Bis-trifluoromethyl-benzenesulfonylamino)-4,5,6,7-tetrahydro-thiazolo[5,4-c]pyridin-5-ium hydrochloride
Reaction equation
C(OC([N:8]1[CH2:13][CH2:12][C:11]2[N:14]=[C:15]([NH:17][S:18]([C:21]3[CH:26]=[C:25]([C:27]([F:30])([F:29])[F:28])[CH:24]=[C:23]([C:31]([F:34])([F:33])[F:32])[CH:22]=3)(=[O:20])=[O:19])[S:16][C:10]=2[CH2:9]1)=O)(C)(C)C.C(OCC)C.C(Cl)[Cl:41]>>[ClH:41].[F:34][C:31]([F:32])([F:33])[C:23]1[CH:22]=[C:21]([S:18]([NH:17][C:15]2[S:16][C:10]3[CH2:9][NH2+:8][CH2:13][CH2:12][C:11]=3[N:14]=2)(=[O:19])=[O:20])[CH:26]=[C:25]([C:27]([F:28])([F:29])[F:30])[CH:24]=1Participants
4
Procedure
50 ml of saturated etheric hydrochloric add are added to a solution of 9.95 g of 2-(3,5-bis-trifluoromethyl-benzenesulfonylamino)-6,7-dihydro-4H-thiazolo[5,4-c]pyridine-5-carboxylic acid tert-butyl ester in 150 ml of CH2Cl2 and and the mixture obtained is stirred at RT for 4 hours. From the mixture obtained solvent is evaporated and the evaporation residue obtained is treated with diethylether. A solid precipitates, is filtrated off and dried. 2-(3,5-Bis-trifluoromethyl-benzenesulfonylamino)-4,5,6,7-tetrahydro-thiazolo[5,4-c]pyridin-5-ium hydrochloride salt is obtained.
Workup
- addition50 ml of saturated etheric hydrochloric add
- customthe mixture obtained
- customFrom the mixture obtained solvent
- customis evaporated
- customthe evaporation residue obtained
- customA solid precipitates
- filtrationis filtrated off
- customdried
Sources & evidence
- ORD record
- ord-505a54d0fd354dd89dbeadaf473ac3dd
- Source dataset
- uspto-grants-2007_11
- Patent number
- US07291734B2
Reaction notes
Loading…