Binaphthyl-2,2′-diyl hydrogen phosphate. A new chiral atropisomeric selectro for the resolution of helicenes using high performance liquid chromatography
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 4,p. 173-175
- https://doi.org/10.1039/c39780000173
Abstract
On chiral cyclic atropisomeric binaphthyl-2,2′-diyl hydrogen phosphate linked to silica gel, dinaphtho[1,2-d;1′,2′-d′]benzo[1,2-b;4,3-b′]dithiophen (I), 8,20-dibromodiphenanthro[4,3-a;4′,3′-j]chrysene (II), a dibromohexahelicene (III), and hexa-, hepta-, octa-, nona-, trideca-, and tetradeca-carbohelicenes were partially resolved, and 9,10-diaza[7,8; 11,12]dibenzoheptahelicene (IV) completely resolved using high performance liquid chromatography (h.p.l.c.).Keywords
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