Journal
ARCHIV DER PHARMAZIE
Volume 353, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ardp.201900376
Keywords
antitumor; arylboronic acid; lenalidomide; Suzuki cross-coupling
Funding
- National Natural Science Foundation of China [81125023]
- Shanghai Science and Technology Council [16DZ2280100]
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Lenalidomide is a cereblon modulator known for its antitumor, anti-inflammatory, and immunomodulatory properties in clinical applications. Recently, some reported lenalidomide analogs could exhibit a significant bioactivity through various modifications in the isoindolinone ring. In this study, we designed and synthesized a series of novel lenalidomide analogs on the basis of the installation of a methylene chain at the C-4 position of isoindolinone via the Suzuki cross-coupling reaction. These new compounds were further evaluated for their in vitro antiproliferative activities against two tumor cell lines (MM.1S and Mino). Specifically, compound 4c displayed the strongest antiproliferative activity against the MM.1S (IC50 = 0.27 +/- 0.03 mu M) and Mino (IC50 = 5.65 +/- 0.58 mu M) tumor cell lines. In summary, we have developed a new synthetic strategy for C-4 derivatization of lenalidomide, providing a bioactive scaffold that could be used to discover further potential antitumor lead compounds in pharmaceutical research.
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