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A number of 7-ω-carboxamidoalkyl-substituted estra-1,3,5(10),6-tetraenes as potential ligands for the estrogen receptor ERα have been prepared using either a conjugate addition of α,ω-iodoalkanenitriles or a Michael addition to steroidal ketone 3 as the key step.

Organo-phosphorus compounds Organo-phosphorus compounds S 0080Elongated Phosphoranes by C-C Coupling of Haloaroylmethylidenetriphenylphosphoranes: Synthesis and Applications.-Several examples for the application including in situ formation and reaction of the elongated phosphoranes are also presented. In addition a solid phase system is also given. -(THIEMANN*, T.; UMENO, K.; WANG, J.; TABUCHI, Y.; ARIMA, K.; WATANABE, M.; TANAKA, Y.; GOROHMARU, H.; MATAKA, S.; J.

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