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Syntheses of 2,2'-bibenzo[7]annulenes by double Au-catalyzed sequential activation of propargylic carboxylates

Authors
Lee, Young JuHeo, Hoon GuOh, Chang Ho
Issue Date
Oct-2016
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Keywords
Cyclization; Gold catalyst; Benzo[7lannulene; Propargyl carboxylate; Bisbenzoannulene
Citation
TETRAHEDRON, v.72, no.40, pp.6113 - 6117
Indexed
SCIE
SCOPUS
Journal Title
TETRAHEDRON
Volume
72
Number
40
Start Page
6113
End Page
6117
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/153892
DOI
10.1016/j.tet.2016.07.060
ISSN
0040-4020
Abstract
We previously reported a novel Au-catalyzed sequential activation of two different propargyl carboxylates to 6-methylene-6H-benzo[7]annulene-5,8-diyl dicarboxylates. This reaction has been extended to syntheses of highly functionalized 2,2'-bibenzo[7]annulenes with four biphenyls bearing two sets of different propargyl carboxylates.
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