Remarkable electron-withdrawing effect of the Ph2P(O)-ethynyl group: Ph2P(O)-ethynyl-substituted aryl halides and copper acetylides for tailor-made Sonogashira couplings
Author:
Affiliation:
1. Department of Applied Chemistry
2. Okayama University of Science
3. Okayama 700-0005
4. Japan
5. Department of Chemistry
Abstract
Ph2P(O)-ethynylphenyl bromide showed higher reactivity in Sonogashira couplings than phenylethynylphenyl bromide because of the electron-withdrawing nature of the Ph2P(O) group.
Publisher
Royal Society of Chemistry (RSC)
Subject
Organic Chemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2015/QO/C4QO00325J
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