Phenyl chloroformate → HCID 20542235, compound
Reaction equation
Cl[C:2]([O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:3].[Cl:11][C:12]1[CH:13]=[CH:14][C:15]([N:18]2[CH:22]([OH:23])[C:21]3[S:24][CH2:25][CH:26]([O:29][CH3:30])[CH2:27][S:28][C:20]=3[C:19]2=[O:31])=[N:16][CH:17]=1>N1C=CC=CC=1>[Cl:11][C:12]1[CH:13]=[CH:14][C:15]([N:18]2[CH:19]([O:31][C:2]([O:4][C:5]3[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=3)=[O:3])[C:20]3[S:28][CH2:27][CH:26]([O:29][CH3:30])[CH2:25][S:24][C:21]=3[C:22]2=[O:23])=[N:16][CH:17]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
By reacting phenyl chloroformate (16.7 g) with 7-(5-chloropyrid-2-yl)-6-hydroxy-3-methoxy-8-oxo-3,4,7,8-tetrahydro-2H,6H-1,4-dithiepino[2,3-c]-pyrrole (prepared as described in Example 1; 12.3 g) in anhydrous pyridine (100 cc) at between -10° C. and +20° C., 7-(5-chloropyrid-2-yl)-3-methoxy-8-oxo-6-phenoxycarbonyloxy-3,4,7,8-tetrahydro-2H,6H-1,4-dithiepino[2,3-c]pyrrole (m.p. 167° C.; 10.1 g) is obtained.
Workup
- customat between -10° C. and +20° C.
Sources & evidence
- ORD record
- ord-198c9e1b30d04b06b2c56478f019f5cd
- Source dataset
- uspto-grants-1982_04
- Patent number
- US04327095
Reaction notes
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