- ONE-POT SYNTHESIS OF MACROCYCLIC DI- AND TETRALACTONES USING [2+2] PHOTOCYCLOADDITION REACTIONS OF DI-2-PYRONES WITH alpha,omega-DIOLEFINS
[作者:ZHANG HUI MIN; KAWABATA KAZUYA; MIYAUCHI HIDEKI; SHIMO TETSURO,期刊:Heterocycles, 页码:333-343 , 文章类型: Article,,卷期:2012年85-2]
- Sensitized photocycloaddition reactions of 6,6'-dimethyl-4,4' -[1,4-bis(methylenoxy)phenylene]-di-pyrone (1) with poly(ethyleneglycol)divinyl ethers (2a, b) or 2,2'-dimethyltrimethylene dimethacrylate (4), together with ...
- ONE-POT SYNTHESES OF 4,8-DIALKYLBENZO[1,2-b:4,5-b']-DITHIOPHENES
[作者:PAPPENFUS TED M; SEIDENKRANZ DANIEL T; REINHEIMER ERIC W,期刊:Heterocycles, 页码:355-364 , 文章类型: Article,,卷期:2012年85-2]
- Two-step, one-pot syntheses are described for the preparation of 4,8-dialkylbenzo[1,2-b:4,5-b']dithiophenes (BDTs) from alkyllithium or alkyl Grignard reagents. The yields for various alkyl groups used in this procedure ...
- TUMONOIC ACIDS K AND L, NOVEL METABOLITES FROM THE MARINE-DERIVED FUNGUS PENICILLIUM CITRINUM
[作者:CHEN LI; HUANG KAI; ZHONG PING; HU XIAO; FANG ZHEXIANG; WU JIULIN; ZHANG QIQING,期刊:Heterocycles, 页码:413-419 , 文章类型: Article,,卷期:2012年85-2]
- Three new compounds, namely tumonoic acids K (1), L (2), and methyl 2-(2-acetyl-3,5-dihydroxy-4,6-dimethylphenyl)acetate (3), together with nine known compounds, were isolated from the marine-derived fungus Penicillium c...
- ROLE OF IONIC LIQUIDS AS SUPPORTS OF CATALYSTS
[作者:HAGIWARA HISAHIRO,期刊:Heterocycles, 页码:281-297 , 文章类型: Article,,卷期:2012年85-2]
- Chemically stable and independent properties of an ionic liquid has been utilized as a liquid support for immobilization of homogeneous or heterogeneous catalysts by simply dissolving or suspending in an ionic liquid. Af...
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