Synthetic intermediates for the preparation of diaromatic O-(ami

Details Synthetic intermediates for the preparation of diaromatic O-(ami Synthetic intermediates for the preparation of diaromatic O-(ami

1979-05-15

1980-09-02

Siegel, A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2603473, 424275, 424285, 61K 3138, C07D33322, C07D30720, A61K 3134

Patent

active

042207940

ABSTRACT:
The present invention relates to compounds having the formula: ##STR1## in which n is an integer from 1 to 4, A is selected from the group consisting of oxygen and sulfur and R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen and C.sub.1-4 alkyl.
These compounds are useful for the preparation of corresponding amino derivatives.

REFERENCES:
patent: 4116974 (1978-09-01), Farge et al.

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