Synthetic Route of 1806-29-7, An article , which mentions 1806-29-7, molecular formula is C12H10O2. The compound – 2,2-Biphenol played an important role in people’s production and life.
Ground and excited singlet (S1) state interactions of 2,2?- and 4,4?-biphenyldiols with proton acceptors
Proton-transfer interactions of 2,2?- and 4,4?-biphenyldiols with urea (U), N-methylurea (MU), and triethylamine (TEA) have been investigated in methanol solutions using optical absorption as well as steady-state and time-resolved fluorescence measurements. In the ground state, both 2,2?- and 4,4?-biphenyldiols do not interact with weak proton acceptors, like U and MU. In the excited singlet (S1) state, only the 2,2?-biphenyldiol is seen to transfer a proton to U and MU, via the formation of intermolecular hydrogen-bonded exciplexes as intermediates. With TEA, a strong proton acceptor, both 2,2?- and 4,4?-biphenyldiols undergo an efficient proton-transfer reaction in their S1 state. In the ground-state, however, only 2,2?-analogue is seen to transfer a proton to TEA. The differences in the proton-transfer behavior of 2,2?- and 4,4?-biphenyldiols with different proton acceptors have been rationalized in terms of the presence and absence of intramolecular hydrogen bonding in the two diols.
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Chiral Catalysts,
Chiral catalysts – SlideShare