104192-38-3Relevant articles and documents
On the parity in helical twisting power of Ru(III) 1,3-diketonates of C2 symmetry in nematic liquid crystals
Yoshida, Jun,Sato, Hisako,Yamagishi, Akihiko,Hoshino, Naomi
, p. 8453 - 8456 (2007/10/03)
It is demonstrated that the sign of helical twisting power (HTP) of an enantiomeric Ru(III) complex of type [Ru(acac)2L] can be switched by choosing L from either Lper or Lpara, which is elongated either perpendicular or p
First Examples Exhibiting both Double Melting Behavior and Mesomorphism in a Series of Long Chain Substituted Compounds: 1,3-Di(p-n-alkoxyphenyl)propane-1,3-dione
Ohta, Kazuchika,Muroki, Hiromitsu,Hatada, Koh-Ichi,Takagi, Akira,Ema, Hiroshi,et al.
, p. 163 - 178 (2007/10/02)
A new series of β-diketones substituted by the same kind of chains, (alkoxy groups) having different lengths (CnO-Diketone, n = 1-12), has been synthesized.It was found that CnO-Diketone shows triple melting behavior for n = 1, double melting behavior for n = 2-7, and smectic mesomorphism for n = 8-12.It is the first example exhibiting both double (triple) melting behavior and mesomorphism in a series of long chain substituted compounds, so far as we know.Furthermore, it is noteworthy that the critical change from double melting behavior to mesomorphism occurs between n = 7 and n = 8, which is also the first example in the long chain substituted compounds, so far as we know.Keywords: double melting behavior, smectic mesomorphism, long chain substituted compounds, β-diketone
