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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Bioorg Med Chem. 2010 Jan 25;18(5):1899–1909. doi: 10.1016/j.bmc.2010.01.037

Table 2.

Structures of aldehydes for Scheme 1.

graphic file with name nihms180557t2.jpg
No. R1 R2
17 CH3CO H see ref 11,12
18 CH3(CH2)2CO H see ref 17
19 (CH3)2CHCO H see ref 17
20 HCO H
21 ClCH2CO H see ref 15
22 2-furyl-CO H see ref 16
23 HO2C(CH2)2CO H
24 H Cl see ref 15