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Synthesis of l,l-cycloisodityrosines by copper(II) acetate-DMAP-mediated intramolecular O-arylation of phenols with phenylboronic acids

✍ Scribed by Yukio Hitotsuyanagi; Hiroshi Ishikawa; Syunsuke Naito; Koichi Takeya

Publisher: Elsevier Science
Year: 2003
Tongue: French
Weight: 114 KB
Volume: 44
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(03)01390-x

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✦ Synopsis

Two types of cycloisodityrosines, 11 and 13, were synthesized from commercially available chiral tyrosine derivatives through the copper(II) acetate-DMAP-mediated diaryl ether formation of boronotyrosyltyrosines 8 and 10, respectively.

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