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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 3.

Structures of tryptophans for Scheme 1.

graphic file with name nihms180557t3.jpg
No. R3 R4 R5
25 OCH3 H H see ref 15
26 N[(CH2CH2)2]O H H see ref 15
27 O(CH2)2CH(CH3)2 H OH
28 OCH3 CH3 OH
29 N[(CH2)4] H H see ref 15
30 NHCH2CH2OH H H
31 NHCH2CH(OH)CH2OH H H
32 N[(CH2CH2)2]NCH2Ph H H
33 O(CH2)2CH3 H H
34 OCH(CH3)CH2CH3 H H
35 OCH2CH3 H H see ref 17
36 OCH2CH3 H OH
37 OCH3 CH3 H see ref 31
38 OC4H9-n H H see ref 13
39 NH2 H H see ref 13