Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Anisole p-iodo

Bromoanisole Anisole, p-bromo- (8) Benzene, 1-bromo-4-methoxy- (9) (104-92-7) Methyl iodide Methane, iodo- (8,9) (74-88-4)... [Pg.54]

The reaction of p-iodo- or p-bromo-anisole or of 1-iodonaphthalene with the anion formed from the a,(3-unsaturated nitrile (36) gives 60-70% combined yields of the isomeric nitriles (37) and (38) together with small amounts of the diarylated derivatives (39).135... [Pg.468]

Carbanion 170 derived from cyclohexenylidene acetonitrile reacts with /7-bromo or p-iodo anisole to afford a mixure of 171a and 171b, the two isomers of the monosubstitution product (equation 110)203. [Pg.1438]

Aryl ethers in the presence of a solvent can be preferentially halo-genated in the nucleus. Thus, anisole with phosphorus pentabromide or with iodine monochlotide yields p-bromoanisole (90%) and p-iodo-anisole (46%), respectively. Phosphorus pentachloride has also been used for the halogenation of the nucleus as in the preparation of 4-chloro-biphenyl ether (90%). The action of this reagent with aliphatic and aryl-aliphatic ethers is very complex, giving both cleavage and halogenation products. ... [Pg.55]

The carbanion of cyclohexyhdeneacetonitrile reacts with p-bromo and p-iodo-anisoles and 1-iodonaphthalene to afford good yields of the isomeric substitution products (60 to 69%) at Cy together with traces of 2,2-(diaryl)cyclohexyhdene acetonitrile ... [Pg.930]


See other pages where Anisole p-iodo is mentioned: [Pg.34]    [Pg.66]    [Pg.214]    [Pg.108]    [Pg.34]    [Pg.66]    [Pg.214]    [Pg.108]    [Pg.695]    [Pg.521]    [Pg.683]    [Pg.291]    [Pg.456]    [Pg.183]    [Pg.256]    [Pg.256]    [Pg.256]    [Pg.444]   
See also in sourсe #XX -- [ Pg.166 , Pg.167 ]




SEARCH



Anisol

Anisole

© 2024 chempedia.info