A Rh-catalyzed 1,2-sulfur migration/aza-Diels–Alder cascade initiated by aza-vinyl carbenoids from sulfur-tethered N-sulfonyl-1,2,3-triazoles
作者:Yu Jiang、Xiang-Ying Tang、Min Shi
DOI:10.1039/c4cc08829h
日期:——
A novel Rh(ii) catalyzed intramolecular 1,2-sulfur migration/intermolecular aza-Diels–Alder cascade of sulfur-tetheredN-sulfonyl-1,2,3-triazoles has been developed, efficiently affording sulfur-containing tetrahydropyridine derivatives.
Gold-Catalyzed Oxidative Hydrative Alkenylations of Propargyl Aryl Thioethers with Quinoline <i>N</i>-Oxides Involving a 1,3-Sulfur Migration
作者:Sachin Bhausaheb Wagh、Rahulkumar Rajmani Singh、Rajkumar Lalji Sahani、Rai-Shung Liu
DOI:10.1021/acs.orglett.9b00705
日期:2019.4.19
This work reports gold-catalyzed oxidative alkenylations of quinoline N-oxides with propargyl aryl thioethers to afford 3-hydroxy-1-alkylidenephenylthiopropan-2-one via a 1,3-sulfur group migration. The mechanism of this reaction is postulated to involve an α-oxo gold carbene intermediate followed by formation of a four-membered sulfonium ring that is ring-opened by one H2O to form a gold enolate. A
Cinquini,M. et al., Journal of the Chemical Society. Perkin transactions I, 1976, p. 2061 - 2067
作者:Cinquini,M. et al.
DOI:——
日期:——
NIS/HFIP‐Mediated Synthesis of Indene‐Based β‐Iodoalkenyl Sulfides from Propargylic Sulfides
作者:Noelia Velasco、Clara Martínez‐Núñez、Manuel A. Fernández‐Rodríguez、Roberto Sanz、Samuel Suárez‐Pantiga
DOI:10.1002/adsc.202200613
日期:2022.9.6
A tandem 1,3-sulfur migration followed by iodocyclization reaction of propargylic sulfides in the presence of NIS in HFIP has been developed to synthesize indene-based β-iodoalkenyl sulfides. The choice of the reaction media is crucial to promote the reaction. The proposed mechanism involving the initial NIS activation by HFIP and favoring the sulfur migration of the starting propargylic thioether