Multi-step reaction with 7 steps
1: 1.) 60percent NaH in oil / 1.) THF, 30 min, 2.) RT, 14 h
2: 1.) 4-A molecular sieves, 2.) 90percent I(sym-collidine)2ClO4 (4) / 1.) a.) CH2Cl2, RT, 30 min, b.) 0 deg C, 30 min, 2.) 0 deg C, 30 min
3: 57 percent / triphenyltin hydride, azobis(isobutyronitrile) / benzene / 0.5 h / Heating
4: 75 percent / lithium aluminum hydride / tetrahydrofuran; diethyl ether / 0.5 h / 0 °C
5: 80 percent / imidazole / CH2Cl2 / 29 h / Heating
6: 1.) 4-A molecular sieves, 2.) 90percent I(sym-collidine)2ClO4 (4) / 1.) a.) CH2Cl2, RT, 30 min, b.) -78 deg C, 30 min, 2.) -78 deg C, 30 min
7: 93 percent / triphenyltin hydride, azobis(isobutyronitrile) / benzene / 0.5 h / Heating
With
1H-imidazole; lithium aluminium tetrahydride; 2,2'-azobis(isobutyronitrile); iodonium(di-γ-collidine) perchlorate; 4 A molecular sieve; triphenylstannane; sodium hydride;
In
tetrahydrofuran; diethyl ether; dichloromethane; benzene;
DOI:10.1021/ja00180a037