Process for the preparation of trans-2,3-disubstituted...

Details Process for the preparation of trans-2,3-disubstituted... Process for the preparation of trans-2,3-disubstituted...

2008-05-06

2010-11-30

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Oxygen containing

Reexamination Certificate

active

07842840

ABSTRACT:
The invention concerns a new process for the preparation of naphthoquinones, in particular an improved process for the preparation of 2,3-disubstituted 1,4-naphthoquinones, in the trans configuration.

REFERENCES:
patent: 6291488 (2001-09-01), Gutteridge et al.
patent: 007551 (1983-04-01), None
patent: 0123238 (1984-10-01), None

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