Production of indanes

Details Production of indanes Production of indanes

1982-03-11

1984-04-03

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By ring formation from nonring moiety, e.g., aromatization,...

585 25, 585 27, 585466, C07C 300, C07C 350, C07C 354

Patent

active

044409664

ABSTRACT:
The reaction between particular styrenes and particular alkenes to produce alkyl substituted indanes has been discovered to give improved yields when phosphoric acid is used as the catalyst. The catalyst is readily separated from the organic products at the end of the reaction and can be used repeatedly to catalyze further reactions. The product further comprises novel adducts of the alkene and styrene which are converted into the desired isochroman products when the indanes are used as intermediates in the production of isochromans.

REFERENCES:
patent: 2851501 (1958-09-01), Benz et al.
patent: 3151174 (1964-09-01), Wood et al.
patent: 3347946 (1967-10-01), Wood et al.
patent: 4308412 (1981-12-01), Wiegers et al.

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