Two-Photon Photochemical Generation of Reactive Enediyne
- 16 August 2006
- journal article
- research article
- Published by American Chemical Society (ACS) in The Journal of Organic Chemistry
- Vol. 71 (19), 7417-7421
- https://doi.org/10.1021/jo061285m
Abstract
p-Quinoid cyclopropenone-containing enediyne precursor (1) has been synthesized by monocyclopropanation of one of the triple bonds in p-dimethoxy-substituted 3,4-benzocyclodeca-1,5-diyne followed by oxidative demethylation. Cyclopropenone 1 is stable up to 90 °C but readily produces reactive enediyne 2 upon single-photon (Φ300nm = 0.46) or two-photon (σ800nm = 0.5 GM) photolysis. The photoproduct 2 undergoes Bergman cyclization at 40 °C with the lifetime of 88 h.This publication has 54 references indexed in Scilit:
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