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Class 562/434 - Nitro or nitroso


Subclass of Class 562 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the acid contains the nitro group (-NO2)
No. of patents: 172
Last issue date: 09/23/2008


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NumberTitleIssue Date
4016193Novel substituted phenylacetic acid derivatives and a process for preparing thereof
Novel substituted phenylacetic acid derivatives having the formula: ##STR1## wherein R1 represents a hydrogen atom or lower alkyl radical and R3 represents an alkenyl or alkynyl radical having 3 - 4 carbon atoms with excellent a...
04/05/1977
4014920N-cinnamylcarbamic acid esters
Amines of the formula ##SPC1## Wherein R1 is lower alkyl, lower alkoxy or amino, R2 is hydrogen or lower alkyl, R3 is hydrogen, lower alkyl, carboxyl or lower alkoxycarbonyl, R4 is hydrogen or lower alkyl, R
03/29/1977
4000183Adamantyl-phenoxy- and phenylthio-alkyl-alkanoyl esters
Compounds of the formula I wherein R1 is adamantyl, Ph is phenylene which is optionally substituted by amino, nitro, lower alkyl, lower alkoxy, halogen or trifluoromethyl, X is oxy or thio, alk is alkylene with 1 to 20 C atoms or alkenylene wit...
12/28/1976
4000144Adamantyl-phenylthioalkane derivatives
Compounds of the formula I wherein R1 is adamantyl, Ph is phenylene which is optionally substituted by amino, nitro, lower alkyl, lower alkoxy, halogen or trifluoromethyl, X is oxy or thio, alk is alkylene with 1 to 20 C atoms or alkenylene wit...
12/28/1976
3996289Process for the preparation of 2-nitrobenzaldehyde
2-NITROBENZALDEHYDE, A VALUABLE CHEMICAL INTERMEDIATE, IS PREPARED THROUGH THE OXIDATION OF AN ALKALI METAL SALT OF 2-NITROPHENYLPYRUVIC ACID WITH POTASSIUM PERMANGANATE IN AN ALKALINE MEDIUM. Advantageously the requisite starting material is prepared dir...
12/07/1976
3985809Production of anisaldehyde
The present invention is directed broadly to the manufacture of aromatic aldehydes and acids, and is more specifically concerned with the preparation of anisaldehyde utilizing a manganic salt to oxidize either methoxytoluene or the benzyl or toluol sulfon...
10/12/1976
3983156Substituted ω-nitroacetophenones
Substituted ω-nitroacetophenones and their preparation and intermediates therefor are described together with pharmaceutical compositions containing such nitroacetophenones for the prophylaxis and treatment of diseases associated with allergic or immunol...
09/28/1976
3972876Process for the preparation of symmetrical and unsymmetrical azines and mixtures thereof
A process is disclosed for the preparation of symmetrical azines of the formulas ##EQU1## and unsymmetrical azines of the formulas ##EQU2## and mixtures of azines (I), (II), and (IV), and (I), (III) and (V), wherein R1 , R2
08/03/1976
3972878Method for preparing azines and hydrazones
Ammonia and aldehydes or ketones are selectively oxidized by hydrogen peroxide to the corresponding azines when they are reacted in the presence of both (a) an amide of a carboxylic acid having a pK greater than about 4.3 and (b) a co-catalyst having the ...
08/03/1976
3959364Preparation of arylalkanoic acids
A novel process for making aryl propionic acids is described. It comprises reaction of a Grignard compound, obtained from an aryl bromide and magnesium, with a lithium, sodium, magnesium or calcium salt of 2-bromopropionic acid, followed by acidification....
05/25/1976
3950408Process for preparing [1-oxo-2-cyclopentyl (or 2-isopropyl)-2-methyl-6,7-dichloro-5-indanyloxy] acetic acid
Process for preparing [1-oxo-2-cyclopentyl(or 2-isopropyl)-2-methyl-6,7-dichloro-5-indanyloxy]acetic acid, pharmaceutically acceptable salt, ester and amide derivatives thereof and intermediate 5-ether derivatives thereof comprising reacting under Fr...
04/13/1976
3950388Process for making hydroxyether carboxylates
Organic compounds having a substituent represented by the formula ##EQU1## wherein M is alkali metal or ammonium which are useful complexing agents for metal and/or alkaline earth metal ions are prepared by reaction of a conjugate base of a hemiketal...
04/13/1976
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