Multi-step reaction with 15 steps
1.1: Mg; CuI / tetrahydrofuran / 0 °C
1.2: 100 percent / tetrahydrofuran
2.1: AcOH; H2O / tetrahydrofuran / 65 °C
3.1: 2,4,6-collidine / CH2Cl2 / -78 °C
4.1: p-TsOH*H2O / CH2Cl2 / 20 °C
5.1: 51 percent / 2N NaOH / methanol / 20 °C
6.1: (COCl)2; DMSO; Et3N / CH2Cl2 / -70 - -30 °C
7.1: PPh3; Et3N / CH2Cl2 / -40 °C
8.1: n-BuLi / tetrahydrofuran; hexane / -70 °C
9.1: 85 percent / p-TsOH*H2O / methanol / 20 °C
10.1: 100 percent / imidazole / dimethylformamide / 20 °C
11.1: Cp2ZrClH / tetrahydrofuran / 20 °C
11.2: 93 percent / I2 / tetrahydrofuran / 0 °C
12.1: t-BuLi / diethyl ether; pentane / -70 °C
12.2: lithium 2-thienylcyanocuprate / diethyl ether; pentane; tetrahydrofuran / 0.5 h / -70 °C
12.3: 79 percent / diethyl ether; pentane; tetrahydrofuran / -70 °C
13.1: 81 percent / DMAP; MsCl / CH2Cl2 / 0 °C
14.1: 47 percent / Bu3SnH; t-butyl peroxide; AIBN / 100 °C
15.1: 76 percent / (HF)n*py; pyridine / acetonitrile
With
pyridine; 1H-imidazole; 2,4,6-trimethyl-pyridine; dmap; sodium hydroxide; copper(l) iodide; Schwartz's reagent; n-butyllithium; oxalyl dichloride; 2,2'-azobis(isobutyronitrile); di-tert-butyl peroxide; (HF)n*Py; water; tert.-butyl lithium; tri-n-butyl-tin hydride; toluene-4-sulfonic acid; magnesium; acetic acid; dimethyl sulfoxide; methanesulfonyl chloride; triethylamine; triphenylphosphine;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; N,N-dimethyl-formamide; acetonitrile; pentane;
DOI:10.1016/S0968-0896(02)00031-7