期刊
CHEMICAL COMMUNICATIONS
卷 50, 期 63, 页码 8761-8763出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc03826f
关键词
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资金
- National Basic Research Program (973 Program) of China [2010CB833200]
- NSF of China [21332007, 20902075]
- Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT) of Ministry of Education, China
We report one-pot and chemoselective Knoevenagel-type reactions using highly stable amides and lactams as the electrophilic substrates. The method is based on the in situ activation of amide carbonyl with triflic anhydride and a subsequent reaction with carbanions generated in situ from carbonyl compounds. The amide-based method is an alternative to the versatile thioamide-based Eschenmoser sulfide contraction.
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