Multi-step reaction with 9 steps
1: 97 percent / oxalyl chloride / CH2Cl2 / Ambient temperature
2: 92 percent / FeCl3 / CH2Cl2 / -20 °C
3: 62.4 percent / NaH / 1,2-dimethoxy-ethane / 1.) from -10 deg C to RT, 15 min, 2.) reflux, 1 h
4: 1.) n-BuLi, 2.) Me3SnCl, 3.) Pd(PPh3)4, LiCl
5: 96.1 percent / Bu4NF / tetrahydrofuran / 0.08 h / 0 °C
6: 98.7 percent / oxalyl chloride, DMSO / CH2Cl2 / 0.25 h / -78 °C
7: LiN(TMS)2 / tetrahydrofuran / 5 h / Ambient temperature
8: oxalyl chloride, DMSO / CH2Cl2 / 0.25 h / -78 °C
9: 1.) H2, 2.) KI, acetic acid / 1.) 5percent Pd/BaSO4 / 1.) pyridine, RT, 8 min, 2.) RT, 30 min
With
tetrakis(triphenylphosphine) palladium(0); n-butyllithium; oxalyl dichloride; trimethyltin(IV)chloride; tetrabutyl ammonium fluoride; hydrogen; iron(III) chloride; sodium hydride; acetic acid; dimethyl sulfoxide; potassium iodide; lithium chloride; lithium hexamethyldisilazane;
Pd-BaSO4;
In
tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane;