Pyridine → HCID 20449962, compound
Reaction equation
Cl.[NH2:2][C:3]1[CH:8]=[CH:7][C:6]([N+:9]([O-:11])=[O:10])=[CH:5][C:4]=1[CH:12]([C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=1[Cl:25])[S:13][CH2:14][CH2:15][C:16](O)=[O:17].ClC(OCC)=O.N1C=CC=CC=1>O1CCCC1>[Cl:25][C:20]1[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=1[CH:12]1[C:4]2[CH:5]=[C:6]([N+:9]([O-:11])=[O:10])[CH:7]=[CH:8][C:3]=2[NH:2][C:16](=[O:17])[CH2:15][CH2:14][S:13]1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
By cyclizing 3-[(2-amino-5-nitrophenyl)(2-chlorophenyl)methylthio]propionic acid hydrochloride in analogy to Example 1(c), but in tetrahydrofuran and using ethyl chloroformate and pyridine, there is obtained 6-(2-chlorophenyl)-1,3,4,6-tetrahydro-8-nitro-2H-5,1-benzothiazocin-2-one of melting point 285°.
Sources & evidence
- ORD record
- ord-ae2a2acb9b2a4621ad50b736c3cf5c1e
- Source dataset
- uspto-grants-1984_08
- Patent number
- US04464300
Reaction notes
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