Multi-step reaction with 10 steps
1: 87 percent / 2-methoxy-ethanol; various solvent(s) / 1.5 h / 80 - 130 °C
2: 1.) NaH / 1.) DMF, 0 deg C, 2.) DMF, RT, 30 min
3: BBr3 / CH2Cl2 / 1 h / Ambient temperature
4: 1.) NaH / 1.) DMF, 0 deg C, 2.) DMF, RT, 30 min
5: 1.) n-BuLi / 1.) hexane, Et2O, RT, 2 h, 2.) hexane, Et2O, RT, 30 min
6: H2O2, KHSO4 / methanol / 2 h / Ambient temperature
7: 1.) NaH / 1.) DMF, 0 deg C, 2.) DMF, RT, 30 min
8: POCl3 / 12 h / Ambient temperature
9: 1.) NaH / 1.) DMF, 0 deg C, 2.) DMF, RT, 30 min
10: 1.) NaH / 1.) DMF, 0 deg C, 10 min, 2.) DMF, RT, 2 h
With
potassium hydrogensulfate; n-butyllithium; dihydrogen peroxide; boron tribromide; sodium hydride; trichlorophosphate;
In
methanol; dichloromethane; 2-methoxy-ethanol;
DOI:10.1016/0223-5234(96)89134-3