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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 11
BKCSDE 28(11)
November 20, 2007 

First Concise Synthesis of Biologically Interesting Nigrolineabenzopyran A,(±)-Blandachromene II, and (±)-Daurichromene D
Yong Rok Lee*, Xue Wang
Benzopyran, Nigrolineabenzopyran A, Blandachromene II, Daurichromene D
The first efficient synthesis of biologically interesting nigrolineabenzopyran A, blandachromene II, and daurichromene D with the benzopyran moiety has been accomplished using ethylenediamine diacetatecatalyzed reaction as a key step. The key step in these synthetic strategies involves the formation of benzopyran moiety via an electrocyclization reaction.
2061 - 2064
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