期刊
ORGANOMETALLICS
卷 36, 期 14, 页码 2637-2645出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.7b00244
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资金
- Singapore Ministry of Education [RG 114/15]
- Nanyang Technological University
- JST, CREST
A series of donor acceptor-type benzo[b]phosphole and naphtho[2,3-b]phosphole oxides have been synthesized through metal-catalyzed reactions as key steps: that is, (1) cobalt- and copper-catalyzed multicomponent coupling of an arylzinc reagent, an alkyne, and dichlorophenylphosphine to assemble the electron deficient benzophosphole or naphthophosphole oxide core and (2) palladium-catalyzed cross-coupling to introduce an electron donating substituent to the benzo or naphtho moiety. These donor-acceptor molecules are strongly fluorescent, showing weak to strong solvatochromism depending on the electron-donating substituent.
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