Synthesis, properties and molecular structure of a new isomer of [2.4]-paracyclophanetetraene:(E,Z,E,Z)-[2.4]-paracyclophanetetraene
作者:Hossein Reza Darabi、Takeshi Kawase、Masaji Oda
DOI:10.1016/0040-4039(95)02065-9
日期:1995.12
(E,Z,E,Z)-[2.4]-Paracyclophanc is first obtained together with other isomers by the McMurry coupling of 4,4′-diformyl-(Z)-stilbene; an X-ray analysis of the new cyclophane shows an ellipsoidal structure with more strained (E)-stilbene skeleton than its tetrahydro compound.