Multi-step reaction with 8 steps
1.1: ozone / methanol / -78 °C
1.2: 76 percent / methyl sulfide / methanol / 1 h / 20 °C
2.1: potassium tert-butoxide; n-butyllithium; (+)-B-methoxydiisopinocampheylborane / tetrahydrofuran / 3 h / -78 °C
2.2: 82 percent / aq. NaOH; H2O2 / tetrahydrofuran
3.1: 85 percent / triethylamine / CH2Cl2 / 1 h / 20 °C
4.1: 96 percent / Grubbs' second-generation catalyst / toluene / 3 h / 120 °C
5.1: 87 percent / NMO; OsO4 / acetone; H2O / 6 h / 20 °C
6.1: pyridine / CH2Cl2 / 0 °C
7.1: 1.8 g / tributyltin hydride; AIBN / benzene / 5 h / 85 °C
8.1: LDA; hexamethylphosphoramide / tetrahydrofuran; hexane / 2.67 h / -60 °C
8.2: 78 percent / n-butyllithium / hexane; tetrahydrofuran / 16 h / -78 °C
With
pyridine; (+)-Ipc2BOMe; N,N,N,N,N,N-hexamethylphosphoric triamide; osmium(VIII) oxide; n-butyllithium; N-methyl-2-indolinone; 2,2'-azobis(isobutyronitrile); potassium tert-butylate; tri-n-butyl-tin hydride; ozone; triethylamine; lithium diisopropyl amide;
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water; acetone; toluene; benzene;
DOI:10.1021/jo0492416