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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 7, Number 2
BKCSDE 7(2)
February 20, 1986

Title	Dicyanoanthracene and Biphenyl Co-sensitized Photooxygenation of 1,1-Diphenyl-2-vinylcylopropane
Author	Sang Chul Shim*, Jeong Sup Song
Keywords
Abstract	Co-sensitized photooxygenation of 1,1-diphenyl-2-vinylcyclopropane (VCP-DPh) with 9,10-dicyanoanthracene and biphenyl in oxygen-saturated acetonitrile solution produced 3,3-diphenyl-5-vinyl-1,2-dioxolane as the major product. The same photoproduct was obtained by acetone sensitized photooxygenation in oxygen-saturated acetone solution. However, VCP-DPh remained intact when directly irradiated with DCA or irradiated with Rose Bengal to generate singlet oxygen. A mechanism involving a cosensitizer radical cation and sensitizer radical anion is proposed.
Page	150 - 153
Full Text	PDF

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