期刊
ORGANIC LETTERS
卷 23, 期 5, 页码 1606-1610出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c00026
关键词
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资金
- National Natural Science Foundation of China [22001140]
- Natural Science Foundation of Shandong Province, China [ZR2020QB002]
- Foundation of State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences [ZZ20190111]
A TBAI/K2S2O8-promoted [4 + 2] annulation of ketene N,S-acetals, and N-tosylhydrazones was efficiently developed, enabling straightforward access to a variety of trisubstituted pyridazines in reasonable to good yields. The synthetic methodology features a broad substrate scope and a good functional group tolerance. Control experiments demonstrated the indispensability of the alkylthio functionality in the enaminone substrates.
A TBAI/K2S2O8-promoted [4 + 2] annulation of ketene N,S-acetals, and N-tosylhydrazones was efficiently developed, enabling straightforward access to a variety of trisubstituted pyridazines in reasonable to good yields. The synthetic methodology features a broad substrate scope and a good functional group tolerance. Control experiments demonstrated the indispensability of the alkylthio functionality in the enaminone substrates.
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