136649-86-0Relevant academic research and scientific papers
Synthesis of thiophenes from allenyl sulfones involving α,β-unsaturated sulfines as intermediates
Linden, Johannes B. van der,Asten, Peter F. T. M. van,Braverman, Samuel,Zwanenburg, Binne
, p. 51 - 60 (2007/10/02)
The synthesis of thiophenes starting from allenyl sulfones, via intermediate formation of α,β-unsaturated sulfines, is described.The allenyl sulfones were synthesized by a -sigmatropic rearrangement of appropriately substituted prop-2-ynyl sulfinates
A novel synthesis of thiophenes from allenic sulfones involving α,β-unsaturated sulfines as intermediates
Braverman,Van Asten,Van Der Linden,Zwanenburg
, p. 3867 - 3870 (2007/10/02)
A new method for the synthesis of α,β-unsaturated sulfines by a Peterson alkylidenation of sulfur dioxide is described. The required α-silyl carbanions are generated by heteroconjugate addition of alkyllithium to α-trimethylsitylated allenic sulfones. The
