{"id":696,"date":"2026-04-14T13:02:00","date_gmt":"2026-04-14T11:02:00","guid":{"rendered":"https:\/\/perso.ens-lyon.fr\/denis.frath\/?p=696"},"modified":"2026-04-14T13:02:36","modified_gmt":"2026-04-14T11:02:36","slug":"synthesis-photophysical-and-chiroptical-properties-of-optically-active-binol-boranil-enantiomers","status":"publish","type":"post","link":"https:\/\/perso.ens-lyon.fr\/denis.frath\/2026\/04\/14\/synthesis-photophysical-and-chiroptical-properties-of-optically-active-binol-boranil-enantiomers\/","title":{"rendered":"Synthesis, Photophysical, and Chiroptical Properties of Optically Active BINOL-Boranil Enantiomers"},"content":{"rendered":"<p>Our article is available to read at <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acsomega.5c11819\" target=\"_blank\" rel=\"noopener\">ACS Omega<\/a>.<a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acsomega.5c11819\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/pubs.acs.org\/cms\/10.1021\/acsomega.5c11819\/asset\/images\/medium\/ao5c11819_0006.gif\" alt=\"https:\/\/pubs.acs.org\/cms\/10.1021\/acsomega.5c11819\/asset\/images\/medium\/ao5c11819_0006.gif\" width=\"395\" height=\"221\" \/><\/a><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-697\" src=\"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-226x300.jpg\" alt=\"\" width=\"209\" height=\"277\" srcset=\"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-226x300.jpg 226w, https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-770x1024.jpg 770w, https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-768x1021.jpg 768w, https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-1155x1536.jpg 1155w, https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-1540x2048.jpg 1540w, https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-content\/uploads\/2026\/04\/acsodf.2026.11.issue-14.xlargecover-scaled.jpg 1925w\" sizes=\"auto, (max-width: 209px) 100vw, 209px\" \/>We describe a very simple and efficient gram-scale synthetic pathway toward Boranils substituted directly on the boron center by 1,1\u2032-bi-2-naphthol derivatives (BINOL). Properties of the resulting BINOL-Boranils were investigated by nuclear magnetic resonance (NMR), UV\u2013visible, fluorescence, electronic circular dichroism (ECD), and circularly polarized luminescence (CPL) spectroscopies. Insight into the molecular structure is also provided based on single-crystal X-ray diffraction experiments. These chiral dyes typically feature high molar absorption coefficients in the range of 35,000 to 90,000 M<sup>\u20131<\/sup>\u00b7cm<sup>\u20131<\/sup>, absorption dissymmetry factors (<i>g<\/i><sub>abs<\/sub>) in the range of 2.5\u20135.5 \u00d7 10<sup>\u20134<\/sup> at the maximum wavelength of absorption of Boranils, and CPL brightness up to <i>B<\/i><sub>CPL<\/sub> = 5.4 M<sup>\u20131<\/sup>\u00b7cm<sup>\u20131<\/sup>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our article is available to read at ACS Omega.We describe a very simple and efficient gram-scale synthetic pathway toward Boranils substituted directly on the boron center by 1,1\u2032-bi-2-naphthol derivatives (BINOL). Properties of the resulting BINOL-Boranils were investigated by nuclear magnetic resonance (NMR), UV\u2013visible, fluorescence, electronic circular dichroism (ECD), and circularly polarized luminescence (CPL) spectroscopies. Insight [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-696","post","type-post","status-publish","format-standard","hentry","category-article"],"_links":{"self":[{"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/posts\/696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/comments?post=696"}],"version-history":[{"count":5,"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/posts\/696\/revisions"}],"predecessor-version":[{"id":702,"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/posts\/696\/revisions\/702"}],"wp:attachment":[{"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/media?parent=696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/categories?post=696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/denis.frath\/wp-json\/wp\/v2\/tags?post=696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}