2-(2-Pyridiniomethyl)isothiouronium dichloride → Thiourea
Reaction equation
[ClH:1].Cl.[CH3:3][C:4]1[CH:5]=[CH:6][C:7]([CH2:10][S:11][C:12](=[NH:14])[NH2:13])=[N:8][CH:9]=1.Cl.Cl.N1C=CC=CC=1CSC(=N)N>>[ClH:1].[Cl:1][CH2:10][C:7]1[CH:6]=[CH:5][C:4]([CH3:3])=[CH:9][N:8]=1.[NH2:13][C:12]([NH2:14])=[S:11].[ClH:1].[ClH:1].[CH3:3][C:4]1[CH:5]=[CH:6][C:7]([CH2:10][S:11][C:12](=[NH:13])[NH2:14])=[N:8][CH:9]=1Participants
5
Procedure
2-(5-Methylpyrid-2-ylmethyl)isothiourea dihydrochloride can be prepared in accordance with the method described in Example 1 for the preparation of 2-(pyrid-2-ylmethyl)isothiourea dihydrochloride. Using 2-chloromethyl-5-methylpyridine hydrochloride (170 g) and thiourea (86 g) as the starting materials, 2-(5-methylpyrid-2-ylmethyl)isothiourea dihydrochloride (160 g) is obtained.
Sources & evidence
- ORD record
- ord-b87187e41bf4488396b292389ba02e72
- Source dataset
- uspto-grants-1981_06
- Patent number
- US04272534
Reaction notes
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