Chlorimides

Chlorimide is an unstable gas which can be stored in aq soln the pure gas decomps within... 

Sulfur-containing samples show colored spots when sprayed with 2,6-dibromo-quinone-4-chlorimide Gibbs reagent). For preparation, 2 g of this compound is dissolved in 100 ml of acetic acid or ethanol. Heating to 110°C is necessary to give a reaction. This reagent also creates colored zones when samples contain phenols. For reactions with phenols, only the less-reactive 2,6-dichloroquinone-4-chlorimide can be used under the same conditions. 

Al-Majed [16] described a simple colorimetric method for the determination of (iq-penicillamine in pure form and in pharmaceutical formulations that is based on coupling between (/))-penicillamine and 2,6-dichloroquinone-4-chlorimide (DCQ) in... 

Abou-Ouf et al. [16] described a spectrophotometric method for the determination of primaquine phosphate in pharmaceutical preparation. Two color reactions for the analysis of primaquine phosphate dosage form, which are based on 2,6-dichlor-oquinone chlorimide and l,2-naphthoquinone-4-sulfonate, were described. The reactions depend on the presence of active centers in the primaquine molecule. These are the hydrogen atoms at position 5 of the quinoline nucleus and the primary amino group of the side chain. The method was applied to tablets of primaquine phosphate and a combination of primaquine phosphate and amodiaquine hydrochloride. 

Nitroso-/3-naphthol has been made by the action of hydroxyl-amine hydrochloride on /3-naphtho-quinonc-chlorimide 1 by the action of sulfuric acid upon a solution of potassium or sodium nitrite and the sodium salt of /3-naphthol 2 by the action of sodium nitrite upon an alcoholic solution of zinc chloride and /3-naphthol 3 by the action of sodium nitrite upon /3-naphthol suspended in zinc sulfate solution 4 by the action of nitrous acid on /3-dinaphthol methane 6 and by the action of nitrosyl sulfate upon the sodium salt of /3-naphthol.6... 

In swimming pools disinfected by bromine, bromamide and bromimide can form. These compounds have about half the disinfecting power of HOBr giving bromine an advantage compared to chlorine. Chloramide and chlorimide have 80 to 100 times less disinfecting power than HOC1. Bromides. 

Benzoquinone-l,4 di(chloro-iniine) [called Benzo-chinon-(1.4)-bis-chlorimid or p-Chinon-bis-chlor-imid in Ger], C1N CBH4 NC1 mw 175.02, N 16.01% ndls(from w) having a si aromatic odor, mp 124 -6°(dec) expl when heated rapidly above the mp readily sol in hot ale, hot AcOH, eth or benz si sol in hot w almost insol in cold w was first prepd by Krause(Ref 2) by treating an ice-cold soln of p-phenylenediamine in dil HC1 with, an excess of chlorinated lime(bleaching powder). 

Chloramine B , see Sodium A-chlorobenzenesulfonamide, 2222 Chloratomercurio(formyl)methylenemercury(II), 0650 Chloric acid, 3990 Chlorimide, see Dichloramine, 4057... 

Diphenylphosphinigsaure-chlorid reagiert in Ether mit Kohlensaure-chlorimid-dialkyl-ester unter Alkylchlorid-Abspaltung zu Imid-chloriden, die beim Erwarmen auf 100-120° unter Abspaltung eines zweiten Mol Alkylchlorid in Diphenylphosphinsaure-isocyanat (70%) iibergehen820 ... 

Phosphorsaure-(l-alkoxy-alkylidenamid)-alkylester-halogenide werden aus 5-unsubst. 2-Halogen-1,3,2-dioxaphospholanen mit Essigsaure-chlorimid-ethylester... 

Trithiophosphorigsaure-triphenylester wird mit Kohlensaure-chlorimid-dialkylestern unter WasserausschluB quantitativ zu Trithiophosphorsaure-(alkoxycarbonylimid)-triphe-nylestem umgesetzt250 ... 

Triphenyl- -(l-ehlor-2,2-dicyan-vinylimid) E2, 104 Triphenyl- -chlorimid E2, 116 Triphenyl- -(4-chlor-phenylimid) XII/1, 176 Triphenyl- -Cyanimid E2, 100, 116... 

C6H2Br2CINO 2,6-dibromoquinone-4-chlorimide 537-45-1 25.00 2.1919 2 6268 C6H3CIF3N 2-chloro-5-(trifluoromethyl)pyridlne 52334-81-3 25.00 1.4475 2... 

Dichloro< uinonechlnrimide [called 2.6-Dichlor-chinon-chlorimid-(4) in Ger],... 

Resorufin is also formed by heating nitrosophenol or quinone-chlorimide with resorcin, or by heating nitrosoresorcin with phenol or by oxidation of paramidophenol with resorcin, or by oxidation of asymmetrical amidoresorcin with phenol, hese reactions are all carried out in presence of concentrated sulphuric acid. 

Zrl4- NH3. Little is yet known of their structures (Table 10.9). The compound VNCI4 is apparently vanadium chlorimide trichloride and has been assigned a structure in which the molecules are loosely associated in pairs. The bond... 

The dibromoquinone-chlorimide colorimetric method is the official method for thymol analysis in U.S.P. 

---