The addition of enynic phosphonatesto alcohols in the presence of boron trifluoride, leads to γ,δ-ethylenic β-ketophosphonates.Yields of 70% have been obtained. WhetherZorEenynic derivates are starting materials theEketophosphonate is obtained in both cases. The dipole moments of both ...
2. rozš. vyd.Allen, DavidSmith, MichaelIntl J
doi:10.1002/bscb.19570660103J. MomignyP. NatalisWiley‐VCH Verlag GmbH & Co. KGaABulletin Des Sociétés Chimiques Belges
Poly{1-[4-(2-chloroethyl)phenyl]ethylene} ( 3 ) was synthesized by bulk polymerization of 4-(2-chloroethyl)styrene ( 6 ) in two steps from commercial products. The polymer was characterized by means of GPC (weight-average molecular weight M w = 85 000 and number-average molecular weight...