期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 70, 期 6, 页码 2143-2147出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo048053c
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资金
- NHGRI NIH HHS [HG-002806-01] Funding Source: Medline
[GRAPHICS] Two-photon induced Wolff rearrangement of a terphenyl diazoketone 1 was achieved by using focused laser pulses of 532 nm from a Q-switched Nd:YAG laser. The nonfluorescent terphenyl diazoketone 1 was transformed into a fluorescent ester derivative 4, which can be detected in situ using the focused laser pulses at 532 nm. Laser power dependence studies show that the Wolff rearrangement is induced by two-photon absorption of the terphenyl diazoketone 1, but suggests that more than two photons of 532 nm are involved (a multiphoton process) in excitation of the ester derivative 4.
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