Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1992-04-15
1993-05-11
Cintins, Marianne M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568932, 568934, 568939, 568940, C07C20506, C07C20512
Patent
active
052103390
ABSTRACT:
An improved process for the nitration of a substituted or unsubstituted benzocyclobutene compound in a reaction mixture comprising a nitrating agent, an unhalogenated carboxylic acid anhydride, clay and a solvent to produce a corresponding nitrobenzocyclobutene compound, is that wherein:
REFERENCES:
patent: 3466330 (1969-09-01), Tanida et al.
patent: 4216188 (1980-08-01), Shabrua et al.
patent: 4248739 (1981-02-01), Vaughan et al.
patent: 4540763 (1985-09-01), Kirchhoff
patent: 4711964 (1987-12-01), Tan et al.
Tetrahedron, vol. 20 (1964), pp. 2185-2194, Lloyd et al., The Electrophilic Substitution of Benzocyclobutene-1.
Chem. lett., (1988), pp. 1839-1842, Cornelis et al.; Regioselective Liquid-Phase Toluene Nitration with Modified Clays as Catalysts.
Tetrahedron Lett., vol. 29, (1988), pp. 5905-5912, Cornelis et al.; A Procedure for Quantative Regioselective Nitration of Aromatic Hydrocarbons in the Laboratory.
J. Org. Chem., vol. 52 (1987), pp. 2407-2410, Laszlo et al., Vastly Improved Para Preference in the Nitration of Halobenzenes.
J. Org. Chem., vol. 43, No. 14(1978), pp. 2923-2925, Still et al.; Rapid Chromatographic Technique for Preparative Separations with Moderate Resolution.
Advanced Materials in Catalysis, (1977), pp. 209-233, H. E. Swift; Catalytic Properties of Synthetic Layered Silicates and Aluminosilicates.
Pews R. Garth
Thomas P. J.
Cintins Marianne M.
Enright Charles J.
Kraebel Charlotte M.
Peabody John
The Dow Chemical Company
LandOfFree
Process for nitrating benzocyclobutene compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for nitrating benzocyclobutene compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for nitrating benzocyclobutene compounds will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1352295