135019-28-2Relevant academic research and scientific papers
Stereoselective Synthesis of Meta- and Three-bridged Cyclophanes with Intramolecular Photocycloaddition by Using the Steric Effect of Methoxyl Group
Okada, Yukihiro,Ishii, Fuyuhiko,Kasai, Yoshinori,Nishimura, Jun
, p. 12159 - 12184 (2007/10/02)
Key Words: Cyclophane; stereoselectivity; conformation; regioisomer; photocycloaddition; torsional angle.Dimethoxymetacyclophanes 9 (n=2,3,4,5, and 6) and 10 were stereoselectively obtained in 61-87percent yields by means of photocycloaddition.
Synthesis of three-bridged cyclophanes via meta- and ortho-cyclophane
Okada,Sugiyama,Kurahayashi,Nishimura
, p. 2367 - 2370 (2007/10/02)
Three-bridged cyclophanes 6a-b and 10 were obtained from directly olefinated meta- and ortho-cyclophanes under [2 + 2] photocycloaddition.
