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Preparative visible-laser photochemistry: Qinghaosu-type 1,2,4-trioxanes by molecular oxygen trapping of Paterno-Buechi triplet 1,4-diradicals derived from 3,4-dihydro-4,4-dimethyl-2H-pyran-2-one and quinones

✍ Scribed by Adam, Waldemar; Kliem, Ulrike; Mosandl, Thomas; Peters, Eva Maria; Peters, Karl; Von Schnering, Hans Georg

Book ID
127193217
Publisher
American Chemical Society
Year
1988
Tongue
English
Weight
896 KB
Volume
53
Category
Article
ISSN
0022-3263

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✍ Adam, Waldemar ;Kliem, Ulrike ;Lucchini, Vittorio πŸ“‚ Article πŸ“… 1988 πŸ› John Wiley and Sons 🌐 English βš– 783 KB

Thc UV-VIS laser irradiatiun o f 4-puntcn-4-olidc ( I ) with hcii-Lophenone (BPI o r with p-bcnzoquinone (BQ) undcr an argon xtniosphcrc dTorded the acctal-type oxctanes 2-BP arid 2-BQ. rcspcctivrly. Only for BP was the oxctanc regioisorncr 3-BP oht;iinrd. x t u a l l y iis rn;ijnr product. while 34