Process for the preparation of chromene derivatives

Details Process for the preparation of chromene derivatives Process for the preparation of chromene derivatives

1989-09-07

1990-11-06

Lee, Lester L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

A01N 4316, C07D31164

Patent

active

049688197

ABSTRACT:
The invention relates to a process for the preparation of Chromenes of the general Formula V ##STR1## prepared from chromanone derivatives.

REFERENCES:
patent: 3992432 (1976-11-01), Napier et al.
patent: 4162326 (1979-07-01), Mihailovski
Streitwieser et al., Introduction to Organic Chemistry, 2nd Ed., pp. 741-742 (1981).
Streitwieser et al., Introduction to Organic Chemistry, Second Edition, p. 261 (1981).
The MerckIndex, Ninth Edition, ONR-94 (1976).
Beilsteins Handbuck Der Organischen Chemie, (1970), pp. 2019-2020.

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