Preclinical Activity of New [1,2]Oxazolo[5,4-e]isoindole Derivatives in Diffuse Malignant Peritoneal Mesothelioma

Vincenzo Cilibrasi, Patrizia Diana, Virginia Spano', Girolamo Cirrincione, Barbara Parrino, Anna Carbone, Alessandra Montalbano, Paola Barraja, Alessia Lopergolo, Denis Cominetti, Marzia Pennati, Valentina Zuco, Nadia Zaffaroni

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38 Citazioni (Scopus)


A series of 22 derivatives of the [1,2]oxazolo[5,4-e]isoindole system were synthesized through an efficient and versatile procedure that involves the annelation of the [1,2]oxazole moiety to the isoindole ring, producing derivatives with a wide substitution pattern. The structure-activity relationship indicates that the N-4-methoxybenzyl group appears crucial for potent activity. In addition, the presence of a 6-phenyl moiety is important and the best activity is reached with a 3,4,5-trimethoxy substituent. The most active compound, bearing both the structural features, was able to inhibit tumor cell proliferation at nanomolar concentrations when tested against the full NCI human tumor cell line panel. Interestingly, this compound was effective in reducing in vitro and in vivo cell growth, impairing cell cycle progression and inducing apoptosis, as a consequence of the inhibition of tubulin polymerization, in experimental models of diffuse malignant peritoneal mesothelioma (DMPM), a rapidly lethal disease, poorly responsive to conventional therapeutic strategies.
Lingua originaleEnglish
pagine (da-a)7223-7238
Numero di pagine16
RivistaJournal of Medicinal Chemistry
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

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