Multi-step reaction with 10 steps
1.1: 68 percent / 2,6-di-tert-butyl-4-methylpyridine / CH2Cl2 / 6 h / -10 - 0 °C
2.1: oxalyl chloride / CH2Cl2; dimethylsulfoxide / 1 h / -70 °C
2.2: triethylamine / CH2Cl2; dimethylsulfoxide / -70 - 0 °C
3.1: 65 percent / ZnCl2 / CH2Cl2; diethyl ether; tetrahydrofuran / 18 h / -70 - 20 °C
4.1: 90 percent / N,N-diisopropylethylamine / CH2Cl2 / 24 h / 0 - 20 °C
5.1: 78 percent / n-BuLi; anhydrous cerium chloride / tetrahydrofuran; hexane / 5 h / -78 - -23 °C
6.1: hydrogen / PtO2 / ethyl acetate / 7 h / 20 °C
7.1: 44.5 mg / n-tetrapropylammonium perruthenate; N-methylmorpholine N-oxide; molecular sieves 4 Angstroem / CH2Cl2 / 1.2 h / 20 °C
8.1: Zn(BH4)2 / diethyl ether / -10 °C
9.1: N,N-diisopropylethylamine / CH2Cl2 / 18 h / 0 - 20 °C
10.1: 47.8 mg / tetrabutylammonium fluoride / tetrahydrofuran / 5.5 h / 20 °C
With
n-butyllithium; 2,6-di-tert-butyl-4-methylpyridine; cerium(III) chloride; tetrapropylammonium perruthennate; zinc(II) tetrahydroborate; oxalyl dichloride; 4 A molecular sieve; tetrabutyl ammonium fluoride; hydrogen; 4-methylmorpholine N-oxide; N-ethyl-N,N-diisopropylamine; zinc(II) chloride;
platinum(IV) oxide;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; dimethyl sulfoxide; ethyl acetate;
DOI:10.1021/jo020211h