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. Author manuscript; available in PMC: 2017 Jun 19.
Published in final edited form as: Bioorg Med Chem Lett. 2016 Apr 6;26(11):2691–2694. doi: 10.1016/j.bmcl.2016.04.006

Table 1.

Structures and yields of compounds 3b–p

graphic file with name nihms860524u1.jpg
Entry Compound β, γ-Unsaturated aldehyde R Yielda (%)
1 3b 2b 2-CH3 51
2 3c 2c 3-CH3 90
3 3d 2d 4-CH3 70
4 3e 2e 2-CH3O 49
5 3f 2f 3-CH3O 68
6 3g 2g 4-CH3O 60
7 3h 2h 2-F 49
8 3i 2i 3-F 79
9 3j 2j 4-F 67
10 3k 2k 2-Cl 60
11 3l 2l 3-Cl 90
12 3m 2m 4-Cl 85
13 3n 2n 2-Br 65
14 3o 2o 3-Br 85
15 3p 2p 4-Br 74
a

Isolated yield.