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Push-pull-Butadiene; Reaktion von 2-Aryl-4,4-bis(methylthio)buta-1,3-dien-1,1-dicarbonitrilen mit Bromwasserstoff

✍ Scribed by Klaus Peseke; Manfred Michalik; Ulrike Schönhusen; Ilona Streichardt


Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
229 KB
Volume
28
Category
Article
ISSN
0044-2402

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X-Ray crystal structure of 4-(methylthio)-4-nitro-l-(pyrrolidin-l-yl)buta-1,3-diene (2b) ') indicates the presence of a C-H . ' . S hydrogen bond. This might also explain the observed downfield shift of this proton in solution. ') The C-atoms of the butadiene chain have been numbered as shown in 1