Multi-step reaction with 7 steps
1: NCS / pentane / 0.5 h / Ambient temperature
2: 1.) BuLi, 2,2,6,6-tetramethylpiperidine / 1.) THF, 0 deg C, 2.) THF, -78 deg C
3: 60 percent / tetrahydrofuran; diethyl ether; hexane / 1.) -78 deg C, 30 min, 2.) room temperature, 30 min
4: 99 percent / Et3N / CH2Cl2 / 1.) 0 deg C, 1 h, 2.) room temperature, 3 h
5: 63 percent / (Ph3P)3RhCl / acetonitrile; H2O / 4 h / Heating
6: 74 percent / NaHCO3, oxone / acetone; H2O / 1.) 5 deg C, 1 h, 2.) room temperature, 1 h
7: 1.) 3M HCl, 2.) Amberlyst A 26 (OH- form) / 1.) MeOH, H2O, room temperature, 3 h, 2.) MeOH, H2O
With
2,2,6,6-tetramethyl-piperidine; hydrogenchloride; Oxone; N-chloro-succinimide; Wilkinson's catalyst; n-butyllithium; Amberlyst A 26 (OH- form); sodium hydrogencarbonate; triethylamine;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; water; acetone; acetonitrile; pentane;
DOI:10.1016/S0040-4020(96)01172-6