Journal
ORGANIC LETTERS
Volume 20, Issue 12, Pages 3670-3673Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.8b01470
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Funding
- JSPS KAKENHI [JP 15H05485, JP 17H06092, JP 17K17720]
- JST CREST [JPMJCR1522]
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A diphosphination of arynes with diphosphines has been developed. The reaction of stable aryne precursors, 2-(trimethylsilyl)aryl triflates, with tetraaryldiphosphines proceeds in the presence of fluorine- or carbonate-based activators to deliver the corresponding diphosphinated products, sterically and electronically tuned 1,2-bis(diphenylphosphino)benzene (dppbz) derivatives, which can find wide application in transition metal catalysis and material science. Additionally, preliminary computational studies on the reaction mechanism are also reported.
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