反应详情

温度

50 °C

In a 50 ml roundbottom flask equipped with magnetical stirring, thermometer and addition funnel, sodium hydride (0.8 g, 0.02 mol, 60% dispersion in oil) was suspended in dry toluene under an atmosphere of nitrogen. A solution of 10,11-dihydro-5H-dibenzo[a,d]cycloheptene-5-carbonitrile (3.0 g, 0.014 mol, prepared in a similar way as described in J. Med. Chem., 6, (1963), 251) in dry toluene (15 ml) was added. The reaction mixture was heated to reflux temperature in 30 minutes and then heated at reflux temperature for 150 minutes. After cooling to about 50° C., a solution of 3-bromopropyl tetrahydropyranyl ether (4.5 g, 0.02 mol) in dry toluene (6 ml) was added dropwise. The reaction mixture was heated at reflux temperature for 5 h and then left stirring at room temperature overnight. After filtration of precipitated salts, the solution was washed with 1N HCl (100 ml), diluted with more toluene (100 ml) and finally washed with water. After drying (MgSO4), the organic phase was evaporated in vacuo affording 7.2 g (99%) of 5-(3-(tetrahydropyran-2-yloxy)-1-propyl)-10,11-dihydro-5H-dibenzo-[a,d]cycloheptene-5-carbonitrile.

1. customIn a 50 ml roundbottom flask equipped with magnetical stirring
2. additionthermometer and addition funnel
3. temperatureThe reaction mixture was heated
4. temperatureto reflux temperature in 30 minutes
5. temperatureheated
6. temperatureat reflux temperature for 150 minutes
7. temperatureThe reaction mixture was heated
8. temperatureat reflux temperature for 5 h
9. waitleft
10. filtrationAfter filtration of precipitated salts
11. washthe solution was washed with 1N HCl (100 ml)
12. additiondiluted with more toluene (100 ml)
13. washfinally washed with water
14. dry with materialAfter drying (MgSO4)
15. customthe organic phase was evaporated in vacuo