Chiral Conjugated Microporous Polymers as Novel Chiral Fluorescence Sensors for Amino Alcohols

Novel (R)‐(+)‐1,1′‐bi‐2‐naphthol ((R)‐(+)‐BINOL)‐based conjugated microporous polymers ( CMP1–4 ) with high Brunauer–Emmett–Teller (BET) surface area are synthesized through Sonogashira–Hagihara cross‐coupling of di‐/tetra‐bromo‐substituted (R)‐(+)‐BINOL derivatives and 1,3,5‐triethynylbenzene. Fluorescence studies find that CMP4 can act as a sensitive and enantioselective sensor for chiral amino alcohols, such as 2‐amino‐1‐propanol ( AA1 ), 2‐amino‐3‐methyl‐1‐butanol ( AA2 ), and 2‐amino‐2‐phenylethanol ( AA3 ), which expands the application scope of conjugated microporous polymers. image