Sodium borohydride → HCID 22283104, compound
Reaction equation
[C:1]([C:4]1[C:12]2[S:11][C:10]([NH:13][C:14](=[O:16])[OH:15])=[N:9][C:8]=2[C:7]([O:17][CH3:18])=[CH:6][CH:5]=1)(=[O:3])[CH3:2].[BH4-].[Na+]>C(O)C.O>[OH:3][CH:1]([C:4]1[C:12]2[S:11][C:10]([NH:13][C:14](=[O:15])[OH:16])=[N:9][C:8]=2[C:7]([O:17][CH3:18])=[CH:6][CH:5]=1)[CH3:2]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Conditions
- Temperature
- 40 °C
Procedure
0.05 g of (7-acetyl-4-methoxy-benzothiazol-2-yl)-carbamic acid methyll ester (0.00018 Mol) were dissolved in ethanol (30 ml) and 0.028 g of NaBH4 (0.00072 Mol) were added. After stirring at 40° C. for 24 hrs. the reaction mixture was diluted with water, extracted with CH2Cl2, the organic phase washed with brine and dried over MgSO4. After chromatography on silicagel with CH2Cl2/MeOH 97:3 the title compound was obtained as a white solid (38%); F.p.: 179° C. (dec.).
Workup
- extractionextracted with CH2Cl2
- washthe organic phase washed with brine
- dry with materialdried over MgSO4
Sources & evidence
- ORD record
- ord-81ce42725dcc490ba3b8b00315372eac
- Source dataset
- uspto-grants-2003_02
- Patent number
- US06521754B2
Reaction notes
Loading…