HCID 178474867, compound → HCID 178511322, compound
Reaction equation
C([NH:4][CH2:5][CH2:6][N:7]1[C:11]2[N:12]=[C:13]([Cl:16])[CH:14]=[CH:15][C:10]=2[N:9]=[C:8]1[OH:17])(=O)C>Cl>[NH2:4][CH2:5][CH2:6][N:7]1[C:11]2[N:12]=[C:13]([Cl:16])[CH:14]=[CH:15][C:10]=2[N:9]=[C:8]1[OH:17]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
11 grams of 1-(2-acetylaminoethyl)-2-hydroxy-6-chloro-7-aza-benzimidazole were stirred for 4 hours with 40 ml of concentrated hydrochloric acid at 80° C. and then allowed to stand overnight at 0° C., the substance crystallized out was recrystallized from methanol. Yield: 5 grams; M.P. of the hydrochloride 310°-312° C.
Workup
- customthe substance crystallized out
- customwas recrystallized from methanol
- customM.P. of the hydrochloride 310°-312° C.
Sources & evidence
- ORD record
- ord-464399ea63b7494abab0817407294486
- Source dataset
- uspto-grants-1981_01
- Patent number
- US04247556
Reaction notes
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