Multi-step reaction with 11 steps
1.1: LiN(SiMe3)2 / tetrahydrofuran / -78 °C
1.2: tetrahydrofuran
2.1: LiAlH4 / diethyl ether
3.1: (COCl)2; DMSO; Et3N / CH2Cl2
4.1: BuLi / tetrahydrofuran
5.1: H2 / 10 percent Pd/C / ethyl acetate / 5 kg/cm2
6.1: LiAlH4 / diethyl ether
7.1: (COCl)2; DMSO; Et3N / CH2Cl2
8.1: PPh3; t-BuOK / toluene
9.1: BuLi; TMEDA / tetrahydrofuran / -78 °C
9.2: tetrahydrofuran
10.1: Et3N; DMAP / benzene
11.1: 95 percent / Bu3SnH; AIBN / toluene / 2 h / Heating
With
dmap; lithium aluminium tetrahydride; n-butyllithium; oxalyl dichloride; 2,2'-azobis(isobutyronitrile); N,N,N,N,-tetramethylethylenediamine; potassium tert-butylate; hydrogen; tri-n-butyl-tin hydride; dimethyl sulfoxide; triethylamine; triphenylphosphine; lithium hexamethyldisilazane;
palladium on activated charcoal;
In
tetrahydrofuran; diethyl ether; dichloromethane; ethyl acetate; toluene; benzene;
3.1: Swern oxidation / 4.1: Horner-Emmons reaction / 7.1: Swern oxidation;
DOI:10.1039/b203243k