Multi-step reaction with 9 steps
1.1: LDA / 1,2-dimethoxy-ethane / -78 - 0 °C
1.2: trimethyltin chloride / 1,2-dimethoxy-ethane; 2-methyl-propan-2-ol / 0.08 h / 0 °C
1.3: [(η3-C3H5)PdCl]2; (S,S)-1,2-[(o-PPh2C6H4)C(O)NH]2-cyclohexyl / 1,2-dimethoxy-ethane / -78 - 20 °C
2.1: 85 percent / diethyl ether / -20 - 20 °C
3.1: LDA / tetrahydrofuran; hexane / -78 - 0 °C
3.2: tetrahydrofuran; hexane / 2 h / 20 °C
4.1: Pd2(dba)3*CHCl3; PPh3; CuI / n-butylamime / benzene / 18 h / 50 °C
5.1: NMO; aq. OsO4 / CH2Cl2 / 8 h / 20 °C
6.1: aq. NaIO4 / acetone / 1 h / 20 °C
7.1: NaBH4 / methanol / 0.17 h / 20 °C
8.1: I2; PPh3; imidazole / acetonitrile; diethyl ether / 2 h / 20 °C
9.1: ZnCl2; t-BuLi / tetrahydrofuran; pentane / 1.08 h / -78 - 20 °C
9.2: Pd(PPh3)4 / tetrahydrofuran; pentane / 20 °C
With
1H-imidazole; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; sodium tetrahydroborate; sodium periodate; copper(l) iodide; osmium(VIII) oxide; N-methyl-2-indolinone; iodine; tert.-butyl lithium; triphenylphosphine; zinc(II) chloride; lithium diisopropyl amide;
N-butylamine;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; diethyl ether; hexane; dichloromethane; acetone; acetonitrile; pentane; benzene;
4.1: Sonogashira coupling / 9.2: Negishi reaction;
DOI:10.1021/ja051547m