cycloaddition reactions of I-aryl-4-dimethylamino-1,3diaza-1,3-butadienes (~),l-aryl-4-dimethylamino-2-methylthio-l,3-diaza-l,3butadienes 12). l-aryl-4-methylthio-2-phenyl-4-sec.amino-l,3-diaza-l,3butadienes ( 2) and 4, 4-bis~sec.amino~-l,2-diphenyl-l,3-diaza-l,3-bu~adienes 112) with monophenylketen
Cycloaddition reactions of 2-tributylstannyl-1,3-butadiene
β Scribed by Maurizio Taddei; Andre Mann
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- French
- Weight
- 210 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0040-4039
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## Competitive iron-mediated cycloaddition of butadiene with butadiene versus cycloaddition of butadiene with alkynes in Fe ) complexes in the gas phase, observed using Fourier transform mass spectrometry (FTMS), is described. The preference for 14 +2] cycloaddition between lgbutadiene and alkyn
## Abstract The cycloaddition reaction of Ξ±βoxo sulfines with 2β(trimethylsiloxy)β1,3βdienes, leading ultimately to thiacyclohexanone __S__βoxides (alternatively named as thianone __S__βoxides or perhydrothiapyranone __S__βoxides) is described. 1βOxoβ2βthioxoβindane __S__βoxide 2a, and several Ξ±βox