4-Methylphenyl isocyanate → 4-p-Tolylcarbamoyl-2,2,7,7-tetramethyl-1,4-diazacycloheptan-5-one
Reaction equation
[CH3:1][C:2]1([CH3:12])[CH2:8][NH:7][C:6](=[O:9])[CH2:5][C:4]([CH3:11])([CH3:10])[NH:3]1.[C:13]1([CH3:22])[CH:18]=[CH:17][C:16]([N:19]=[C:20]=[O:21])=[CH:15][CH:14]=1>>[C:13]1([CH3:22])[CH:18]=[CH:17][C:16]([NH:19][C:20]([N:7]2[C:6](=[O:9])[CH2:5][C:4]([CH3:11])([CH3:10])[NH:3][C:2]([CH3:12])([CH3:1])[CH2:8]2)=[O:21])=[CH:15][CH:14]=1Participants
3
Procedure
Using the same procedure as described in Example 4, 17 parts of 2,2,7,7-tetramethyl-1,4-diazacycloheptan-5-one and 14.3 parts of p-tolyl isocyanate were reacted together and afforded a solid material which was recrystallised from petroleum ether (of boiling range 60° to 80°C) to yield 21 parts of 4-p-tolylcarbamoyl-2,2,7,7-tetramethyl-1,4-diazacycloheptan-5-one of melting point 126°C. This material gave the following elemental analysis by weight:
Workup
- customwere reacted together
- customafforded a solid material which
- customwas recrystallised from petroleum ether (of boiling range 60° to 80°C)
Sources & evidence
- ORD record
- ord-460147e67be84911ad9f86ceb4751479
- Source dataset
- uspto-grants-1976_06
- Patent number
- US03962255
Reaction notes
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