Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1996-09-18
1998-04-21
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4561
Patent
active
057419361
ABSTRACT:
3-Chloro-3'-nitro-4'-methoxybenzophenone with substantially lower contents of dinitro derivatives than hitherto is obtained if 3-chloro-4'-methoxybenzophenone is nitrated in from 65 to 85% strength by weight sulfuric acid with nitric acid at temperatures in the range from -20.degree. to +60.degree. C.
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patent: 4361704 (1982-11-01), Onopchenko et al.
patent: 4560800 (1985-12-01), Bakshi et al.
Chemical Abstracts, vol. 107, No. 25, Dec. 21, 1987, Columbus, Ohio, US; Abstract No. 236236k, Seite 741; Spalte 2; XP002022340 *Zusammenfassung* & RO 91 633 A (Intreprinderea de Medicamente "Terapia").
A.H.M. Raeymaekers, Synthesis and Anthelminthic Activity of Alkyl-(5-acyl-1-H-benzimidazol-2-yl) Carbamates,Arzneim.-Forsch./Drug Res., 28 (1), Heft 4, pp. 586-594, (1978).
Fiege Helmut
Kissener Wolfram
Paetz Klaus-Christian
Bayer Aktiengesellschaft
Reamer James H.
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