Multi-step reaction with 8 steps
1: 1.) t-BuLi / 1.) pentane, THF, -78 deg C, 75 min, 2.) from -78 deg C to RT, 1 h
2: 1.) oxalyl chloride, dimethylsulfoxide, 2.) Et3N / 1.) CH2Cl2, -70 deg C, 20 min, 2.) CH2Cl2, from -70 deg C to 20 deg C, 2.75 h
3: lithium aluminum deuteride / diethyl ether / 0.42 h / 0 - 20 °C
4: N,N-diisopropylethylamine / CH2Cl2 / 4 h / 24 °C
5: 1.) borane-tetrahydrofuran, 2.) aq. NaOH, aq. H2O2 / 1.) THF, from 0 deg C to RT, 4.7 h, 2.) 0 deg C, 1 h
6: Et3N / CH2Cl2 / 0 °C
7: 17 percent / sodium iodide-triacetone / 5 h / 20 °C
8: 1.) sec-BuLi / 1.) cyclohexane, THF, -78 deg C, 33 min, 2.) THF, RT, 1 h
With
sodium hydroxide; lithium aluminium deuteride; borane-THF; oxalyl dichloride; dihydrogen peroxide; tert.-butyl lithium; sec.-butyllithium; dimethyl sulfoxide; triethylamine; N-ethyl-N,N-diisopropylamine; sodium iodide;
In
diethyl ether; dichloromethane;
DOI:10.1021/ja00051a009