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Hydrogen Bonding-assisted Syntheses

Figure 3-4 Hydrogen bonding-assisted syntheses of the [2]catenanes 12 and 14 under kinetic control. Figure 3-4 Hydrogen bonding-assisted syntheses of the [2]catenanes 12 and 14 under kinetic control.
Figure 3-6 Hydrogen bonding-assisted synthesis of the [2]catenane 21 under thermodynamic control. Figure 3-6 Hydrogen bonding-assisted synthesis of the [2]catenane 21 under thermodynamic control.
We have found that chiral boronate complexes with BLA (Brpnsted acid-assisted chiral Lewis acids) to give new catalysts for enantioselective synthesis which achieve selectivity by a double effect of intramolecular hydrogen-bonding interaction and attractive ji-ti donor-acceptor interaction in the transition state by a hydroxy aromatic group [27a],... [Pg.149]

Reimer-Tiemann reaction 685, 1071 Resole resins 1457, 1458, 1460 model compounds of 1476-1487 synthesis of 1475, 1476 Resol prepolymers 969 Resonance Assisted Hydrogen Bonding (RAHB) 552... [Pg.1502]

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