Reaction of Sodium Borohydride.III. Reduction of Aromatic Nitro Compounds with Sodium Borohydride
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چکیده
منابع مشابه
The reduction of cozymase by sodium borohydride.
Cozymase (diphosphopyridine nucleotide, DPN) has been assayed by a variety of biochemical and chemical methods (1). Among the simplest procedures has been the determination of the light absorption of reduced DPN at 340 rnp after reduction by sodium hydrosulfite. Since special precautions are required to remove completely the excess reducing agent which absorbs in this region, it appeared advant...
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It was noted early in the investigations of the Pyo compounds that treatment of Pyo I1 with an alkaline iodine solution resulted in the formation of a product which was markedly more active against Staphy1ococcu.s aureus than was the original substance. In t.hese cases, the activity of the product was about 10 times that of the starting material (1). Since it was known that this reagent has the...
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LEGAL first showed that Weyl's reaction for creatinin was also given by acetone. The reaction consists in the addition of a few drops of a 5 0/0 solution of sodium nitro-prusside, followed by 1 0/0 sodium hydrate. A red colour is produced both with acetone and creatinin solutions. Le Nobel' elaborated the test by showing in the case of acetone that acidifyinog with acetic acid changed the red t...
متن کاملInactivation of Tetracycline with Sodium Borohydride.
Recently we reported on the rapid inactivation of tetracycline by use of cupric-morpholine complex (Kaplan, Lannon, and Buckwalter, J. Pharm. Sci., 64, 163, 1965). This degradation procedure is used as part of an assay technique for kanamycin in the presence of tetracycline. We have since found that sodium borohydride (Metal Hydrides Inc., Beverly, Mass.) can substitute for cupric-morpholine co...
متن کاملReduction of Chlorophyllides, Chlorophylls and Chlorophyll Derivatives by Sodium Borohydride.
Sodium borohydride is a well known reducing agent. In methanol at room temperature formyl and keto groups are readily reduced to alcohol groups, while ester and carboxyl groups, carbon-carbon and carbon-nitrogen double bonds are only reduced with difficulty (2, 17). Of the groups present in chlorophyll b the C3 formyl and the C9 keto groups should be amenable to reduction, while the C2 vinyl an...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1977
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.97.1_116