345266-95-7Relevant academic research and scientific papers
Preparation of (-)-(M)-Paracyclophanohexahelicene from (-)-(M)-1,4-Dimethylhexahelicene and the Absolute Configuration of 4-Substituted Paracyclophanes
Nakazaki, Masao,Yamamoto, Koji,Maeda, Miharu
, p. 1985 - 1987 (1981)
Photocyclization of a cis-trans mixture of the 1,2-diarylethylene precursor 9 gives 1,4-dimethylhexahelicene (10).The levorotatory enantiomer of 10 with M helicity is converted to (-)-(M)-paracyclophanohexahelicene (6), which confirms the R configura
