期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 88, 期 19, 页码 14140-14155出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.3c01684
关键词
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A radical sulfonation-ipso-cyclization cascade promoted by Mn(OAc)(3).2H(2)O using functionalized alkynes or alkenes and potassium metabisulfite (K2S2O5) was reported. 30 spirocyclic sulfonates were synthesized under mild conditions. A modular synthesis approach was demonstrated for the preparation of various azaspiro[4,5]-trienone-based sulfonamides and sulfonate esters.
A radical sulfonation-ipso-cyclization cascade promoted by Mn(OAc)(3).2H(2)O using functionalized alkynes or alkenes and potassium metabisulfite (K2S2O5) is reported. A total of 30 spirocyclic sulfonates were synthesized under mild conditions. We also demonstrate a modular synthesis approach in multiple steps for the preparation of various azaspiro[4,5]-trienone-based sulfonamides and sulfonate esters.
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