Multi-step reaction with 17 steps
1.1: CuBr*Me2S / tetrahydrofuran; diethyl ether / 1 h / -78 °C
1.2: tetrahydrofuran; diethyl ether / 4 h / -78 °C
2.1: 5.37 g / LiAlH4 / diethyl ether / 3.25 h / -40 °C
3.1: 91 percent / LiCl; 2,6-lutidine; MsCl / dimethylformamide / 19 h / 0 °C
4.1: i-Pr2NH; n-BuLi / tetrahydrofuran / 1 h / -78 °C
4.2: 100 percent / tetrahydrofuran / -78 - -20 °C
5.1: 97 percent / LiAlH4 / diethyl ether / 1.75 h / 0 °C
6.1: 98 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / -78 - 20 °C
7.1: LiCl; Et3N / acetonitrile / 0.17 h / 0 °C
7.2: 1.12 g / acetonitrile / 0 - 20 °C
8.1: 93 percent / diisobutylaluminum hydride / CH2Cl2; hexane / 2 h / -78 - 20 °C
9.1: Et3N / tetrahydrofuran / 1 h / 20 °C
10.1: NaI / acetone / 2 h / 0 - 20 °C
11.1: 4.64 g / CuI / tetrahydrofuran / 20 h / 60 °C
12.1: NIS; AgNO3 / acetone / 1 h / 20 °C
13.1: 1.37 g / p-TsOH*H2O / methanol / 4 h / 20 °C
14.1: 2-iodoxybenzoic acid / dimethylsulfoxide / 2 h / 20 °C
15.1: 380 mg / CrCl2 / tetrahydrofuran / 12 h / 20 °C
16.1: 92 percent / Et3N; 4-DMAP / CH2Cl2 / 1 h / 20 °C
17.1: 19 percent / PtCl2 / toluene / 3 h / Heating
With
2,6-dimethylpyridine; chromium dichloride; dmap; N-iodo-succinimide; copper(l) iodide; lithium aluminium tetrahydride; n-butyllithium; oxalyl dichloride; copper(I) bromide dimethylsulfide complex; diisobutylaluminium hydride; toluene-4-sulfonic acid; silver nitrate; dimethyl sulfoxide; methanesulfonyl chloride; triethylamine; diisopropylamine; sodium iodide; lithium chloride; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione;
platinum(II) chloride;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; acetone; toluene; acetonitrile;
6.1: Swern oxidation;
DOI:10.1021/ol048463n