期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 70, 期 22, 页码 9051-9053出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo051243i
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资金
- NCI NIH HHS [R33-CA91216] Funding Source: Medline
- NIGMS NIH HHS [R01 GM054523-06] Funding Source: Medline
[GRAPHIC] A two-step method for the synthesis of 9-aryl-6-hydroxy-3Hxanthen-3-one fluorophores involving condensation of aryl aldehydes and fluororesorcinol is shown to proceed through a triarylmethane intermediate. The condensation is complicated by retro-Friedel-Crafts reactions which can be minimized by controlling the amount of acid. The xanthenone ring system is prepared by a final oxidative cyclization with DDQ.
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