4,5,6,7-Tetrahydro-N6-propyl-2,6-benzothiazolediamine → HCID 22726019, compound
Reaction equation
[NH2:1][C:2]1[S:3][C:4]2[CH2:10][CH:9]([NH:11][CH2:12][CH2:13][CH3:14])[CH2:8][CH2:7][C:5]=2[N:6]=1.[CH3:15][S:16]([OH:19])(=[O:18])=[O:17]>C(O)(C)C>[CH3:15][S:16]([OH:19])(=[O:18])=[O:17].[NH2:1][C:2]1[S:3][C:4]2[CH2:10][CH:9]([NH:11][CH2:12][CH2:13][CH3:14])[CH2:8][CH2:7][C:5]=2[N:6]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
11.0 g of (±) 2-amino-6-propylamino-4,5,6,7-tetrahydrobenzothiazole was dissolved in 180 mL of hot isopropanol and 3.8 mL of methanesulfonic acid was added. The formed precipitate was filtered off after cooling and dried to give 10.2 g of crystals with m.p. 227-237° C.
Workup
- filtrationThe formed precipitate was filtered off
- temperatureafter cooling
- customdried
Sources & evidence
- ORD record
- ord-4657c2dbe2d447818139b17591215d95
- Source dataset
- uspto-grants-2004_04
- Patent number
- US06727367B2
Reaction notes
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