Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1993-12-23
1995-03-21
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564420, 564422, 564423, C07C20918
Patent
active
053997689
ABSTRACT:
The present invention relates to a method of preparing 4,6-diaminoresorcinol from 1,2-dichloro-3,5-dinitrobenzene comprising the steps of:
REFERENCES:
patent: 3862245 (1975-01-01), Greco
patent: 4766244 (1988-08-01), Lysenko
patent: 4962198 (1990-10-01), Makosza et al.
patent: 5001265 (1991-03-01), Liu et al.
patent: 5001279 (1991-03-01), Yin
patent: 5099057 (1992-03-01), Lysenko
"Hydroxylation of Nitroarenes with Alkyl Hydroperoxide Anions via Vicarious Nucleophilic Substitution of Hydrogen" by Mieczyslaw Makosza et al listed in The Journal of Organic Chemistry vol. 55, No. 17 .COPYRGT.1990 American Chemical Society.
"Preparation of 1,3-dihydroxy-4,6-diaminobenzene as material for poly(benzbisoxazoles" by Sato Tetsuo et al listed in Chemical Abstracts, vol. 112. (1990); 112:157853.
U.S. Patent Office Submitted Application, Filed Dec. 23, 1993, entitled "A Process for the Preparation of Diaminoresorcinol" inventors Zenon Lysenko et al. Attorney Docket No. C-41,706 (Ser. No. 08/173,547).
U.S. Patent Office Submitted Application, Filed Dec. 23, 1993, entitled "A Method of Cleaving Arylethers" inventors Zenon Lysenko et al. Attorney Docket No. C-41,228 (Ser. No. 08/173,451).
"Preparation of 1,3-dihydroxy-4,6-diaminobenzene and its Salts" by Kato Kazufumi et al. listed in Chemical Abstracts vol. 113:152015y (1991).
"Preparation of 1,3-dihydroxy-4,6-diaminobenzene of its Salts as Materials for Poly(benzobisoxazoles" by Kato, Kazufumi et al. listed in Chemical Abstracts vol. 114:121720v (1992).
"Preparation of 4,6-dinitroresorcinol from 1,5-dichloro-2,4-dinitrobenzene" by Rauner Wolfram et al listed in Chemical Abstracts vol. 70:11268q (1944).
Lysenko Zenon
Pews Richard G.
Burn B.
Hollrah Glennon H.
The Dow Chemical Company
Zettler Lynn M.
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