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. Author manuscript; available in PMC: 2020 Nov 11.
Published in final edited form as: Cancer Cell. 2019 Oct 31;36(5):483–497.e15. doi: 10.1016/j.ccell.2019.10.001

Scheme 3:

Scheme 3:

(a) 3,5-Bis(trifluoromethyl)phenyl boronic acid, Pd(dppf)2Cl2, Na2CO3, toluene, EtOH, H2O, 100 °C, 2 hr; (b) di-tert-Butyl-(chloromethyl)phosphate, Cs2CO3, Nal, DMF, 60 °C, 16 hr; (c) Methylhydrazine 60%, EtOH, 80 °C, 1 hr; (d) TFA, DCM, room temp. 1 hr.