Multi-step reaction with 11 steps
1.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 3 h / -78 °C
1.2: 2 h / 20 °C
2.1: zinc / tetrahydrofuran / 0.5 h / 0 °C
3.1: osmium(VIII) oxide; sodium periodate; water / tetrahydrofuran; toluene / 24 h / 0 - 23 °C
3.2: 0.33 h / 0 - 25 °C
4.1: 1H-imidazole / dichloromethane / 1.17 h / 0 - 20 °C
5.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 3 h / -78 - 20 °C
5.2: 2 h / 25 °C
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.75 h / 0 °C
6.2: 23 °C
7.1: camphor-10-sulfonic acid / methanol / 0 °C
8.1: triethylamine; dmap / dichloromethane / 1 h / 0 - 20 °C
9.1: sodium azide / N,N-dimethyl-formamide / 8 h / 80 °C
10.1: triphenylphosphine / tetrahydrofuran; water / 12 h / 20 °C
11.1: triethylamine; dmap / dichloromethane / 3 h / 0 - 20 °C
With
1H-imidazole; dmap; sodium periodate; osmium(VIII) oxide; sodium azide; oxalyl dichloride; camphor-10-sulfonic acid; water; dimethyl sulfoxide; triethylamine; triphenylphosphine; lithium hexamethyldisilazane; zinc;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;
1.1: |Swern Oxidation / 1.2: |Swern Oxidation / 5.1: |Swern Oxidation / 5.2: |Swern Oxidation;
DOI:10.1002/ejoc.201402157