期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 68, 期 5, 页码 2054-2057出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo026492a
关键词
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The oxidative magnesiation of nitrogen-containing pi-deficient halogenoheteroaromatics using active magnesium was accomplished. Both magnesiation followed by addition of a carbonyl compound (Grignard reaction) and magnesiation in the presence of a carbonyl compound (Barbier reaction) were carried out to afford the corresponding product. Especially, the latter method enabled fused halogenodiazines such as 4-chloro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine or 2-chloroquinoxaline to magnesiate at a mild temperature (-20 to 30 degreesC).
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