Journal
SYNTHESIS-STUTTGART
Volume 54, Issue 17, Pages 3739-3752Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/a-1786-6496
Keywords
photocatalysis; Rh-2(OAc)(4); cycloaddition; alpha-diazo compounds; switchable regioselectivity
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Funding
- Taishan Scholars Construction Projects of Shandong [tsqn201812075]
- Natural Science Foundation of Shandong Province for Distinguished Young Scholars [ZR2020JQ07]
- Youth Innovation Science and Technology Plan of Colleges and Universities in Shandong Province [2019KJC003]
- Qingdao University of Science Technology
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Visible-light-promoted [2+1] and [2+2] cycloaddition reactions of diazocarbonyls with olefins have been developed, and the regioselectivity and reactivity could be controlled by the addition of Rh-2(OAc)(4) in the presence of Ir(ppy)(3) catalyst.
Visible-light-promoted [2+1] arid [2+2] cycloaddition reactions of diazocarbonyls with olefins have been developed, affording functionalized cyclopropanes and cyclobutanes, respectively. In visible-light catalysis of Ir(ppy)(3), a simple addition of Rh-2(OAc)(4) switches the regioselectivity from [2+1] to [2+2] cycloaddition with good reactivity and high regioselectivity.
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