21043-40-3, 1-Cyclopentylpiperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,21043-40-3
(General Procedure 16)4-Cyclopentyl-piperazine-1-carboxylic Acid 4-iodo-pyrazol-1-yl Ester The title compound was prepared from 1-hydroxy-4-iodopyrazole and N-cyclopentylpiperazine applying the general procedure 16. The crude product was purified by flash chromatography (Quad flash 12, EtOAc-heptane-3% Et3N) (61%, crystals). 1H NMR (300 MHz; CDCl3): delta 1.33-1.94 (m, 8H), 2.46-2.61 (m, 5H), 3.57 (bt, 2H), 3.67 (bt, 2H), 3.63 (bs, 2H), 3.77 (bs, 2H), 7.40 (d, 1H), 7.44 (d, 1H); HPLC-MS: m/z=391.1 (M+1); Rt=1.31 min.
21043-40-3 1-Cyclopentylpiperazine 806421, apiperazines compound, is more and more widely used in various fields.
Reference：
Patent; Ebdrup, Soren; de Jong, Johannes Cornelis; Jacobsen, Poul; Hansen, Holger Claus; Vedso, Per; US2003/166644; (2003); A1;,
Piperazine – Wikipedia
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