A Hydrogen‐Bonding Receptor That Binds Urea with High Affinity | Zendy

Bell Thomas W. | Zendy; Hou Zheng | Zendy

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A Hydrogen‐Bonding Receptor That Binds Urea with High Affinity

Author(s) -

Bell Thomas W.,

Hou Zheng

Publication year - 1997

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199715361

Subject(s) - urea , hydrogen bond , chemistry , recrystallization (geology) , receptor , acceptor , thermal stability , crystallography , molecule , biochemistry , organic chemistry , biology , paleontology , physics , condensed matter physics

All the conceivable donor and acceptor sites of urea are involved in hydrogen bonds in the complex with the highly preorganized artificial receptor 1 . The resulting complex is so stable that it can be purified by thermal recrystallization from pure DMSO; a stability constant of 1.4 × 10 4 M −1 has been estimated from the urea‐selective UV/Vis response of this receptor.

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