98789-91-4Relevant articles and documents
Rhodium-Catalyzed Annelation of Benzoic Acids with α,β-Unsaturated Ketones with Cleavage of C?H, CO?OH, and C?C Bonds
Zhang, Guodong,Hu, Zhiyong,Belitz, Florian,Ou, Yang,Pirkl, Nico,Goo?en, Lukas J.
supporting information, p. 6435 - 6439 (2019/04/10)
In the presence of a [Cp*RhCl2]2 catalyst, the Lewis acid In(OTf)3, and the mild base Na2CO3, aromatic carboxylates and α,β-unsaturated ketones undergo a unique hydroarylation/Claisen/retro-Claisen pr
Aliphatic Liquid Crystals, 8. - Bi- and Tercyclohexyl Derivatives by Claisen Rearrangement
Sucrow, Wolfgang,Raedecker, Guenter
, p. 219 - 224 (2007/10/02)
Claisen rearrangement of the acrylic esters 7 and 21 transfers the configuration of the cyclohexenols trans-2 and trans-17 to the aldehydes 11 and 23.Robinson annelation converts the latter to the title compounds 15a and 27a.The synthetic sequence is desi
Aliphatic Liquid Crystals, 2. Some Nematic Derivatives of all-trans-Perhydrophenanthrene
Sucrow, Wolfgang,Minas, Hermann,Stegemeyer, Horst,Geschwinder, Peter,Murawski, Hans-Ruediger,Krueger, Carl
, p. 3332 - 3349 (2007/10/02)
A stereoselective synthesis of the all-trans-7-alkylperhydro-2-phenanthrenols 15a-f in 11 steps and 28 liquid crystalline esters 16 of 15a-f are described, additionally some further derivatives of 7-alkylperhydro-2-phenanthrenol.An X-ray structure analysis of ester 16ec is reported.