期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 76, 期 11, 页码 4764-4770出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo200582z
关键词
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资金
- DAE/BRNS India
- IIT Bombay
Novel carbonylated pyrazole phosphonates have been synthesized as single regioisomers by treating conjugated enones, dienones, tropone, and quinone with the Bestmann-Ohira reagent under KOH/EtOH conditions at room temperature. Through an interrupted version of the above reaction, carbonylated spiropyrazoline phosphonates have been synthesized from arylide-necycloalkanones under similar conditions (K(2)CO(3)/EtOH) with absolute regio-and diastereoselectivity. The key structures were confirmed by detailed spectroscopic analysis and X-ray crystallography.
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