Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1978-01-25
1979-06-26
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4100
Patent
active
041593910
ABSTRACT:
P-Dimethoxybenzene is dissolved in monochlorobenzene and reacted with elemental chlorine in the presence of concentrated sulfuric acid catalyst to give 1,4-dichloro-2,5-dimethoxybenzene.
REFERENCES:
patent: 3363005 (1968-01-01), Alvarez
E. I. Du Pont de Nemours and Company
Helfin Bernard
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