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. Author manuscript; available in PMC: 2015 Sep 15.
Published in final edited form as: Bioorg Med Chem Lett. 2014 Aug 8;24(18):4466–4471. doi: 10.1016/j.bmcl.2014.07.091

Table 2.

Initial radiofluorination of precursor 15 & 16 using microfluidics.

graphic file with name nihms-620016-f0004.jpg
Run X Temp (°C) Transfer Rate (μl) RCY (%)
1 Cl 140 40 0
2 Cl 160 40 0
3 Cl 180 14 5.2
4 Br 140 40 0
5 Br 160 40 1
6 Br 180 60 7

*Precursors 15 & 16 stable up to 180 °C.