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Oxolation

Methylenedi oxybenzocyclobutene Cycl obuta[/]- ,3-benzodi oxole,... [Pg.85]

Fuel oil No. 2-D Fuel oil No. 4 Diesel fuel, medium Light industrial fuel Medium industrial fuel Heavy industrial fuel Bunker C. Furfurane oxole >100 154-240 ... [Pg.488]

Cyclization of 1 -[.V- 2.2-bis(/ t )-butyloxycarbonyl)cthyl -./V-mcthylamino]-5,6,7,8-tetrafluoro-4-oxol, 4-dihydroquin-... [Pg.89]

QN 2-oxidoreductase (OR), lH-2-Oxol, 2-dihydroQN-8monooxygenase. 35% OR yield Nitrogen removal (hydroxycoumarin pathway). OR Activity 19 units (33 times the extract activity)... [Pg.175]

The condensation reactions occur only through the mediation of sylanol groups generated by hydrolysis. There are two main opportunities. The condensation can be carried out by oxolation or olation mechanisms. The oxolation occurs with the participation of two sylonol groups. In the course of the reaction a hydroxo ligand is exchanged for an oxo one [8] ... [Pg.78]

Several recent papers analyzed the properties of five-membered heterocycles (azoles, oxoles, thio derivatives) in terms of their higher or lower aromaticity.113-120... [Pg.18]

Finally, PdO particles are spontaneously formed from palladium hydroxide Pd(OH)2 via dehydration hy internal oxolation in agreement with the positive value of the partial charge of the water molecule (5h20 = 0.03). Figure 13.3 summarizes the overall mechanism leading to the formation of PdO colloidal particles. [Pg.259]

Figure 13.19 summarizes the reaction mechanism starting from Sn(OH) + or Sn(OH)e in acidic media in alkaline media. As in the case of Pd, Sn02 oxide is spontaneously formed by dehydration due to an internal oxolation reaction promoted by a strong polarization of the O-H bond of the hydroxide. Thermodynamically stable species with respect to pH are presented in Fig. 13.20. Various molecular cationic species with different hydroxylated levels are possible in an acidic medium, whereas only Sn(OH)g is expected for a basic pH. Figure 13.19 summarizes the reaction mechanism starting from Sn(OH) + or Sn(OH)e in acidic media in alkaline media. As in the case of Pd, Sn02 oxide is spontaneously formed by dehydration due to an internal oxolation reaction promoted by a strong polarization of the O-H bond of the hydroxide. Thermodynamically stable species with respect to pH are presented in Fig. 13.20. Various molecular cationic species with different hydroxylated levels are possible in an acidic medium, whereas only Sn(OH)g is expected for a basic pH.
Using this terminology, furan becomes oxole and tetrahydrofuran is named oxolane pyridine is azine and piperidine is azinane. As with trivial names, the potential difficulty over partly reduced heterocycles is resolved... [Pg.3]

Tetrahydrofuran and Furan. Some drugs containing tetrahydrofurans (oxalanes) tend to be readily air oxidized, and thus have a poor shelf life and are unstable even prior to being administered other tetrahydrofuran-containing drugs are metabolically stable. Furans (oxoles) behave more like aromatic compounds than ethers accordingly, they undergo aromatic hydroxylation. [Pg.152]

See other pages where Oxolation is mentioned: [Pg.711]    [Pg.736]    [Pg.1140]    [Pg.1727]    [Pg.488]    [Pg.265]    [Pg.356]    [Pg.666]    [Pg.1972]    [Pg.2321]    [Pg.52]    [Pg.587]    [Pg.685]    [Pg.589]    [Pg.43]    [Pg.260]    [Pg.329]    [Pg.349]    [Pg.353]    [Pg.354]    [Pg.225]    [Pg.412]    [Pg.194]    [Pg.92]    [Pg.381]    [Pg.907]    [Pg.269]    [Pg.269]    [Pg.276]    [Pg.302]    [Pg.711]    [Pg.660]    [Pg.736]    [Pg.2500]    [Pg.2500]    [Pg.49]    [Pg.49]    [Pg.110]   
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Oxolation mechanism

Oxolation reaction

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