BXZADLGAYWRZCR-UHFFFAOYSA-N synthesis

Yield:-

Steps:

Multi-step reaction with 5 steps
1: 1H-imidazole / N,N-dimethyl-formamide / 1 h / 20 °C
2: lithium borohydride / tetrahydrofuran / 0 - 20 °C
3: triethylamine / dichloromethane / -10 - 20 °C
4: lithium triethylborohydride / tetrahydrofuran / 2 h / 20 °C
5: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 20 °C

References:

NOVARTIS AG;DILLON, Michael, Patrick;LINDVALL, Mika;POON, Daniel;RAMURTHY, Savithri;RAUNIYAR, Vivek;SHAFER, Cynthia;SUBRAMANIAN, Sharadha;TANNER, Huw WO2014/47020, 2014, A1