Reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][CH:10]2[NH:14]C(=O)N[C:11]2=[O:16])=[CH:5][C:4]=1[O:17][CH2:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1.C1C=C2C(C(O)(O)C(=O)C2=CC=1)=[O:32]>C(O)(=O)C.CO.C(Cl)(Cl)Cl>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][CH:10]([C:11]([OH:16])=[O:32])[NH2:14])=[CH:5][C:4]=1[O:17][CH2:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1Participants
4
Procedure
This compound is prepared from the corresponding hydantoin derivative (Example 7) by a procedure similar to that in Example 9; tlc (1:5:20 acetic acid-methanol-chloroform system); Rf 0.4 (ninhydrin).
Sources & evidence
- ORD record
- ord-eefe78a39ad249cdbf4dd0afd48c7156
- Source dataset
- uspto-grants-1993_09
- Patent number
- US05246943
Linked notes
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