Reaction equation
O.CC1(C)CO[C:6]2([CH2:13][CH2:12][C:11](=[O:14])[CH2:10][CH2:9]2)OC1.[CH2:16]([NH2:19])[CH2:17][CH3:18].O.[C:21]1(C)[CH:26]=CC(S(O)(=O)=O)=C[CH:22]=1>C1(C)C=CC=CC=1>[CH2:16]([N:19]1[C@H:6]2[C@@H:9]([CH2:10][C:11](=[O:14])[CH2:12][CH2:13]2)[CH2:26][CH2:21][CH2:22]1)[CH2:17][CH3:18]Participants
6
Procedure
A 250 ml single neck round bottom flask fitted with a water separator containing 20 g of 3A sieves (Linde) was charged with 100 ml of toluene, 10.25 g (0.052 mol) of 3,3-dimethyl-1,5-dioxaspiro[5.5]undecan-9-one (Aldrich Chemical Company), 17.97 g (3.04 mmol) of n-propylamine (Baker) and 18 mg (0.09 mmol) of p-toluenesulfonic acid monohydrate (Aldrich). The reaction mixture was refluxed for 24 hours and cooled, and the toluene was evaporated under reduced pressure to produce the title compound.
Workup
- temperatureThe reaction mixture was refluxed for 24 hours
- temperaturecooled
- customthe toluene was evaporated under reduced pressure
Sources & evidence
- ORD record
- ord-5a4c264c5471459b8d3a8fecca54cb00
- Source dataset
- uspto-grants-1986_05
- Patent number
- US04587351
Linked notes
Loading…