Multi-step reaction with 8 steps
1: 100 percent / ethanol / 3 h / Heating
2: 95 percent / H2 / 5percent Pt/C / methanol / 8 h / 760 Torr / Ambient temperature
3: 61 percent / methanol / 16 h / Heating
4: 95 percent / 1 N aq. K2CO3 / methanol / 16 h / Heating
5: 76 percent / 4-methylmorpholine, N,N'-dicyclohexylcarbodiimide, 3-hydroxy-1,2,3-benzotriazin-4(3H)-one / tetrahydrofuran / 22 h / -10 - 20 °C
6: 100 percent / HCO2H / 17 h / Ambient temperature
7: 52 percent / 4-methylmorpholine, O-benzotriazol-1-yl-N,N,N',N'-tetramethyluroniumhexafluorophosphate / acetonitrile / 17 h
8: 100 percent / HCO2H / 22 h / Ambient temperature
With
4-methyl-morpholine; formic acid; hydrogen; potassium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; 3-hydroxy-3,4-dihydrobenzotriazine-4-one; dicyclohexyl-carbodiimide;
platinum on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; acetonitrile;
DOI:10.1021/jm960022p