期刊
SYNTHETIC COMMUNICATIONS
卷 37, 期 19-21, 页码 3417-3420出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910701483837
关键词
azines; carbonyl compounds; hydrazine hydrate; iodine
We report the reaction of hydrazine hydrate with carbonyl compounds in the presence of molecular iodine at 0-10 degrees C, which affords symmetrical azines in excellent yields in 1 to 4 min without any adverse effect on other substituents. The reactions are rapid and chemoselective, afford excellent yields, and have high-purity products. The workup procedure is environmentally benign and does not require solvent extraction.
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