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. Author manuscript; available in PMC: 2006 May 24.
Published in final edited form as: J Comb Chem. 2004;6(3):437–442. doi: 10.1021/cc0340473

Scheme 1.

Scheme 1

Synthesis of 4-amino-7-chloroquinoline library 1{1-24;2,13}. a) 1,3-diaminopropane (neat), reflux, 2 h, 83% yield; b) R1CHO (5{1-24}, 4 eq.), MeOH, rt, 24 h; c) NaBH4 (5 eq.), rt., 1 h; d) R2CHO (5{2,13}, 4 eq.), MeOH, rt, 24 h; e) NaBH4 (5 eq.), rt, 1 h.