Multi-step reaction with 12 steps
1: 75 percent / 1.) LDA, 2.) Mo5*pyridine*HMPT complex / hexane; tetrahydrofuran / 3 h / -78 °C
2: 75 percent / LiAlH4 / tetrahydrofuran / 4 h / Heating
3: 98 percent / sodium periodate / tetrahydrofuran; H2O / 1.2 h / Ambient temperature
4: CH2Cl2 / 0.5 h / Ambient temperature
5: activated alumina (Wako) / 2 h
6: 88 percent / LiAlH4 / diethyl ether / 3 h / Heating
7: 1.) sodium periodate, 2.) sodium borohydride / 1.) THF, 0 deg C, 1 h, 2.) THF, water, 45 min
8: 31 percent / pyridine / 4 °C
9: sodium iodide / acetone / 2.2 h / Heating
10: 84 percent / p-toluenesulfonic acid / tetrahydrofuran
11: n-BuLi / tetrahydrofuran / -5 - 0 °C
12: 39 percent / CuCl2*2H2O, CuO / acetone / 0.33 h / Heating
With
pyridine; aluminum oxide; sodium tetrahydroborate; sodium periodate; lithium aluminium tetrahydride; n-butyllithium; Mo5*pyridine*HMPT; toluene-4-sulfonic acid; sodium iodide; copper(II) oxide; lithium diisopropyl amide;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; water; acetone;
DOI:10.1246/bcsj.60.707