n-Butyl carbamate → (9H-xanthene-9-carbonyl)carbamic acid butyl ester
Reaction equation
[CH:1]1[C:14]2[CH:13]([C:15](Cl)=[O:16])[C:12]3[C:7](=[CH:8][CH:9]=[CH:10][CH:11]=3)[O:6][C:5]=2[CH:4]=[CH:3][CH:2]=1.[CH2:18]([O:22][C:23](=[O:25])[NH2:24])[CH2:19][CH2:20][CH3:21]>>[CH2:18]([O:22][C:23](=[O:25])[NH:24][C:15]([CH:13]1[C:12]2[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=2[O:6][C:5]2[C:14]1=[CH:1][CH:2]=[CH:3][CH:4]=2)=[O:16])[CH2:19][CH2:20][CH3:21]Participants
3
Procedure
The title compound, white solid, m.p.=180-183° C., MS: m/e=325.4 (M+H+) was prepared in accordance with the general method of example 6 from 9H-xanthene-9-carbonyl chloride and carbamic acid butyl ester.
Sources & evidence
- ORD record
- ord-f741eba2d5a442b0ade179301372adb3
- Source dataset
- uspto-grants-2003_07
- Patent number
- US06596743B2
Reaction notes
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