hydroxyphthalimide造句

例句与造句

1. Microwave irradiation of phthalic anhydride and hydroxylamine hydrochloride in pyridine produces " N "-hydroxyphthalimide in 81 % yield.
2. The reaction of diethyl phthalate with hydroxylamine hydrochloride in the presence of sodium acetate also leads to " N "-hydroxyphthalimide.
3. Esters of " N "-hydroxyphthalimide and activated p-toluenesulfonyl chloride are used as so-called photoacids, which split off protons during UV irradiation.
4. Even without the addition of a base, phthalic anhydride and hydroxylamine phosphate react to give " N "-hydroxyphthalimide when heated to 130 癈 86 % yield.
5. Furthermore, applications of " N "-hydroxyphthalimide as oxidizing agents in photographic developers and as charge control agents in toners have been described in the patent literature.
6. It's difficult to find hydroxyphthalimide in a sentence. 用hydroxyphthalimide造句挺难的
7. Using molecular oxygen alkanes can be oxidized to form alcohols, secondary alcohols to ketones, acetals to esters and alkenes to Amides can be converted into carbonyl compounds with " N "-hydroxyphthalimide and cobalt ( II ) salts under mild conditions.
8. The use of " N "-hydroxyphthalimide as a catalyst in the oxidation of KA oil avoids the formation of the undesirable by-product ammonium sulfate which is produced by the conventional ?-caprolactam synthesis ( Beckmann rearrangement of cyclohexanone oxime with sulfuric acid ).
9. Hydrolysis of " N "-hydroxyphthalimide by the addition of strong bases produces phthalic acid monohydroxamic acid . " N "-hydroxyphthalimide ethers, on the other hand, are colorless and provide " O "-alkylhydroxylamines by alkaline hydrolysis or cleavage through hydrazine hydrate.
10. Hydrolysis of " N "-hydroxyphthalimide by the addition of strong bases produces phthalic acid monohydroxamic acid . " N "-hydroxyphthalimide ethers, on the other hand, are colorless and provide " O "-alkylhydroxylamines by alkaline hydrolysis or cleavage through hydrazine hydrate.
11. The color of the synthesized " N "-hydroxyphthalimide depends on the type of solvent used; the color transition from white to yellow is irreversible . " N "-hydroxyphthalimide forms strongly colored, mostly yellow or red salts with alkali and heavy metals, ammonia and amines.
12. The color of the synthesized " N "-hydroxyphthalimide depends on the type of solvent used; the color transition from white to yellow is irreversible . " N "-hydroxyphthalimide forms strongly colored, mostly yellow or red salts with alkali and heavy metals, ammonia and amines.
13. The reaction of phthalic anhydride with hydroxylamine hydrochloride and Na 2 CO 3 in water at 95 癈 gives " N "-hydroxyphthalimide as a pale yellowish needles in 95 % crude yield, from which pure and colorless " N "-hydroxyphthalimide is obtained in 76 % yield by recrystallization.
14. The reaction of phthalic anhydride with hydroxylamine hydrochloride and Na 2 CO 3 in water at 95 癈 gives " N "-hydroxyphthalimide as a pale yellowish needles in 95 % crude yield, from which pure and colorless " N "-hydroxyphthalimide is obtained in 76 % yield by recrystallization.
15. "N "-hydroxyphthalimide can be converted with vinyl acetate in the presence of palladium ( II ) acetate to the " N "-vinyloxyphthalimide, which is quantitatively hydrogenated to " N "-ethoxyphthalimide and after purified by cleavage, yielding " O "-ethylhydroxylamine.
16. A variety of different functional groups can be oxidized with the nitroxide radical ( phthalimide-" N "-oxyl, PINO ) formed by the abstraction of a hydrogen atom from " N "-hydroxyphthalimide under gentle conditions ( similar to the piperidine derivative 2, 2, 6, 6-tetramethylpiperidinyloxyl ( TEMPO ) ):
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