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. 2022 Dec 6;7(50):47251–47264. doi: 10.1021/acsomega.2c06513

Table 2. Physical Data of Compounds (12–15).

compound yield (%) M.P. (°C) color Rf
12 54 256–258 light brown 0.4a
13 78 237–239 yellow 0.5b
14 71 155–157 brown 0.4b
15 60 180–182 dark brown 0.5b
a

n-hexane/EtOAc = 1:4.

b

n-hexane/EtOAc = 3:2.