Optical activity in βγ-unsaturated ketones. Part 2. Effect of the magnitude and energy of the electric transition dipole moment in the aromatic groups in 1- and 1,5-substituted 9,10-ethano-9,10-dihydroanthracen-11-one derivatives was written by Hagishita, Sanji;Kuriyama, Kaoru. And the article was included in Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999) in 1978.COA of Formula: C11H11N This article mentions the following:
Optically active dihydroanthracene derivatives I (e.g., Z = H2, O; R = CO2H, R1 = H; R = R1 = CONH2) were prepared from the Diels-Alder adduct of II (R = H, CO2Me) and CH2:C(OAc)CN. Alteration of the substituents of I changed the magnitude of the transition dipole moment and the transition energy in the aromatic chromophore, and the optical activity depended on the transition dipole-moment magnitude. In the experiment, the researchers used many compounds, for example, 5,6,7,8-Tetrahydronaphthalene-1-carbonitrile (cas: 29809-13-0COA of Formula: C11H11N).
5,6,7,8-Tetrahydronaphthalene-1-carbonitrile (cas: 29809-13-0) belongs to nitriles. Nitrile compounds can be prepared by the incorporation of a cyanide source through C–C bond formation or by dehydration of primary carboxamides. Alkyl nitriles are sufficiently acidic to undergo deprotonation of the C-H bond adjacent to the CN group.Strong bases are required, such as lithium diisopropylamide and butyl lithium. The product is referred to as a nitrile anion. COA of Formula: C11H11N
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts