Synthesis and antitumor activity of 1,3-benzodioxole derivatives
摘要:
A series of 1,3-benzodioxoles (5-19) was synthesized and evaluated for their in vitro antitumor activity against human tumor cell lines. Some derivatives exhibited tumor growth inhibition activity. In particular, 6-(4-aminobenzoyl)-1,3-benzodioxole-5-acetic acid methyl ester 8, the most active compound of the series, possesses a significant growth inhibitory activity on 52 cell lines at concentrations ranging from 10(-7) to 10(-5) M. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
A SIMPLE AND EFFICIENT SYNTHESIS OF GYKI 52466 AND GYKI 52895
摘要:
The synthesis of 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-5H-2,3-benzodiazepine (GYKI 52466. 1), the prototype of a series of noncompetitive AMPA receptor antagonists, and its 3,4-dihydroderivative (GYKI 52895, 2) is described. The title compounds have been prepared starting from safrole through a quite effective procedure.
2,3-Benzodiazepines were synthesized by two-step or one-pot reactions from aryne precursors. Reaction of 2-(trimethylsilyl)aryl triflates with β-diketones in the presence of CsF gave ortho-substitu...