CAN Mediated oxidative addition of 2-hydroxynaphthoquinone to dienes: a facile synthesis of naphthofurandiones
摘要:
2-Hydroxy-1,4-naphthoquinone undergoes CAN mediated oxidative addition to various dienes followed by ring closure yielding corresponding furoquinones. (C) 2001 Elsevier Science Ltd. All rights reserved.
CAN Mediated oxidative addition of 2-hydroxynaphthoquinone to dienes: a facile synthesis of naphthofurandiones
作者:Vijay Nair、P.M Treesa、Davis Maliakal、Nigam P Rath
DOI:10.1016/s0040-4020(01)00700-1
日期:2001.9
2-Hydroxy-1,4-naphthoquinone undergoes CAN mediated oxidative addition to various dienes followed by ring closure yielding corresponding furoquinones. (C) 2001 Elsevier Science Ltd. All rights reserved.
Synthesis and biological evaluation of new benzo[<i>f</i>]furo[2,3-<i>h</i>]-and benzo[<i>f</i>]pyrano[2,3-<i>h</i>]coumarin derivatives.
作者:Maria Tsoukka、Konstantinos E. Litinas、Demetrios N. Nicolaides、Dimitra J. Hadjipavlou-Litina
DOI:10.1002/jhet.5570440304
日期:2007.5
Furocoumarins 3,5 and pyranocoumarin 7 were synthesized from the reaction of furonaphthalenediones 2,4 and pyranonaphthalenedione 6 respectively with carbethoxymethylene(triphenyl)phosphorane in refluxing DCM for 3-6 hours or under microwave irradiation in toluene for a few minutes. Compounds 3,5,7 and their precursors were tested as anti-inflammatory/antioxidant agents. They were found to compete