Skip to main content
. Author manuscript; available in PMC: 2010 Sep 2.
Published in final edited form as: Mol Biosyst. 2010 Jun 28;6(8):1389–1402. doi: 10.1039/c003917a

Scheme 4.

Scheme 4

(a) R1CH=CHB(OH)2, Pd(PPh3)4, Na2CO3, DME, 85 °C, over night, (b) H2, Pd/C, EtOH, rt, over night, yield: 62–76% for 2 steps, (c) Br2, AcOH, 0 °C, 1 h, yield: 60–68%, (d) NaNO2, HCl, H2O, −20 °C, 30 min, then tBuSH, 0 °C, 1 h, (e) tBuOK, DMSO, rt, over night, yield: 71–77% for 2 steps.