Kuhlung 3 ml Phosphor(II1)-chlorid getropft. Danach wird eine Stunde auf 70-80°C erwarmt. Die abgekuhlte Liisung wirdlangsam in 100 ml Wasser eingetropft, mit waBriger Carbonatlosung neutral gewaschen und hiervon das Losungsmittel destillativ entfernt. Der verbleibende Ruckstand wird aus Methanol um
Mesomorphism in the 4,4′-Dialkoxy- trans -Stilbenes
✍ Scribed by Young, William R.; Haller, Ivan; Aviram, Arieh
- Book ID
- 126860771
- Publisher
- Taylor and Francis Group
- Year
- 1972
- Tongue
- English
- Weight
- 741 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1542-1406
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**Mass Spectra of Donor Substituted 4‐Diphenylphosphinyl Stilbenes** The electron impact induced fragmentation of six donor substituted diphenylphosphinyl stilbenes **1a**–**f** have been determined. In general, independent fragmentation of the diphenylphosphinyl group and the donor substituent was