Abstract
Permanently porous hydrogen-bonded organic frameworks comprising rod-like molecules with two MIDA boronate termini have been prepared. We show that MIDA boronates self-assemble through multiple hydrogen-bonding interactions. Thiophene-containing frameworks are fluorescent and have a 6.6% absolute quantum yield. The approach appears to be general and introduces new design rules for constructing hydrogen-bonded organic frameworks.
Highlights
Porous hydrogen-bonded organic frameworks comprising rod-like molecules with two methyliminodiacetic acid (MIDA) boronate termini have been prepared
Porous hydrogen-bonded frameworks of rod-like thiophenes, selenophenes, and tellurophenes capped with MIDA boronates†
We show that MIDA boronates self-assemble through multiple hydrogen-bonding interactions
Summary
Porous hydrogen-bonded frameworks of rod-like thiophenes, selenophenes, and tellurophenes capped with MIDA boronates† Porous hydrogen-bonded organic frameworks comprising rod-like molecules with two MIDA boronate termini have been prepared. We show that MIDA boronates self-assemble through multiple hydrogen-bonding interactions. Organic cage compounds are a typical class of intrinsic porous crystalline solids.[9,10,11,12,13,14] Extrinsic porous materials are formed by the assembly of nonporous small molecules including COFs and the recent revival of hydrogen-bonded organic frameworks (HOFs).
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