Big Chemical Encyclopedia

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

Articles Figures Tables About

Methylindene, cyclization

MethyUndanes, 20 281 Methylindene, cyclization, 28 298 Methylnaphthalene, cyclization, 28 298, 299 Methyl-N-phenylcarbamate synthesis, 41 226-227... [Pg.143]

Polyphosphoric acid in cyclization of ethyl a-acetyl-/3-(2,3-dimethoxy-phenyl)propionate to 6,7-dimeth-oxy-3-methylindene-2-carboxyl-ate, 40, 43... [Pg.121]

Platinum, the most studied metal, catalyzes both C5 and C6 cyclizations in parallel reactions. n-Butylbenzene, for example, gives methylindan and methylindenes,... [Pg.54]

Fig. 4. Dehydrocyclization of n-butylbenzene over 2% platinum on silica gel catalyst. (—) Cyclization to methylindan and methylindenes and (---) cyclization to naphthalene. According to Csicsery (13). Fig. 4. Dehydrocyclization of n-butylbenzene over 2% platinum on silica gel catalyst. (—) Cyclization to methylindan and methylindenes and (---) cyclization to naphthalene. According to Csicsery (13).
An example of several PPA cyclizations studied by Koo - " is the preparation of ethyl 6,7-dimethoxy-3-methylindene-2-carboxylate (13). The keto ester (12) is added to PPA precooled to 5° in a beaker, and the mixture is stirred thoroughly... [Pg.451]


See other pages where Methylindene, cyclization is mentioned: [Pg.740]    [Pg.691]    [Pg.16]    [Pg.740]    [Pg.954]   
See also in sourсe #XX -- [ Pg.298 ]




SEARCH



Methylindene

© 2024 chempedia.info