Chroman-4-ones and process for preparing same

Details Chroman-4-ones and process for preparing same Chroman-4-ones and process for preparing same

1979-07-23

1984-10-23

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549332, 549345, C07D31122

Patent

active

044790074

ABSTRACT:
Chroman-4-ones are prepared by reacting an o-hydroxyarylcarbonyl compound with a carbonyl compound in the presence of an amine. A typical reaction of o-hydroxy-acetophenone with cyclopentanone can be depicted as follows: ##STR1##

REFERENCES:
patent: 3419560 (1968-12-01), Bernstein et al.
patent: 3467676 (1969-09-01), Jen et al.
patent: 3704323 (1972-11-01), Krapcho
patent: 3707476 (1972-12-01), Freedman
patent: 4060619 (1977-11-01), Philipp et al.
patent: 4065574 (1977-12-01), Moon et al.
patent: 4151179 (1979-04-01), Appleton et al.
patent: 4162326 (1979-07-01), Mihailovski
patent: 4168271 (1979-09-01), Cardenas et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd edition, vol. 2, pp. 597-598.
Matsui et al., Chem. Abstract, 58, 7911g, (1963).
Razdan et al., Chemical Abstract, 79, 126,312c, (1973), (Abstract of S. African Patent 72 05019).
Chem. Eng. News, pp. 19-20, Apr. 12, 1976.
The Vitamins, vol. V, 2nd ed., Academic Press, N.Y., 1972, p. 191.

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