6-Amino-3-butyl-phthalide → HCID 69883859, compound
Reaction equation
[NH2:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]([CH2:12][CH2:13][CH2:14][CH3:15])[O:7][C:8]2=[O:9])=[CH:4][CH:3]=1>ClC(OCC)=O>[CH2:12]([CH:6]1[C:5]2[C:10](=[CH:11][C:2]([NH:1][C:8]([O:7][CH2:6][CH3:5])=[O:9])=[CH:3][CH:4]=2)[C:8](=[O:9])[O:7]1)[CH2:13][CH2:14][CH3:15]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 3.08 g (0.015 mol) of compound obtained in Example 4 and 10 ml of ethyl chloroformate is heated for 10 minutes. The excess ethyl chloroformate is removed in vacuo and the residue is washed with water and crystallised from dilute ethanol to give the title compound.
Workup
- temperatureis heated for 10 minutes
- customThe excess ethyl chloroformate is removed in vacuo
- washthe residue is washed with water
- customcrystallised from dilute ethanol
Sources & evidence
- ORD record
- ord-83f871d074334ef2b97f56c1d4fb2043
- Source dataset
- uspto-grants-2004_02
- Patent number
- US06689808B2
Reaction notes
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