期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 14, 期 14, 页码 4694-4703出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2006.03.037
关键词
cyclopropanes; cytotoxicity; illudins; spiro compounds; structure-activity relationship
1-Hydroxyspiro [2.5]cyclooet-4-en-3-ones-analogs of natural illudines-were prepared in good yields by cyclization of 1,3-dicarbonyl dianions or 1,3-bis-silyl enol ethers ('masked dianions') with 1,1-diacylcyclopropanes. Several spirocyclopropanes showed a significant antiproliferative activity against human leukemia HL60 cells in vitro. 1-Hydroxyspiro [2.5]cyclooct-4-en-3-ones represent highly reactive precursors of unstable spiro[5.2]cycloocta-4,7-dien-6-ones and reactions with a number of nucleophiles were studied. (c) 2006 Elsevier Ltd. All rights reserved.
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