Chem., Mar 1946; 162: 549 - 554 Link On the Oxidation of 2-Hydroxy-1,4-naphthoquinone Derivatives with Alkaline Potassium ... doi:10.1021/ja01298a030 On the Oxidation of 2-Hydroxy-1,4-naphthoquinone Derivatives with Alkaline Potassium Permanganate. Part ... an alkyl chain in a certain naphthoquinone (phenomenon first observed in the compound lapachol) is reduced by one methylene ...
in the synthesis of this compound, the starting material is treated with 1,4-naphthoquinone and DPT. DTP converts the oxo- ...
In the Hooker reaction (1936) an alkyl chain in a certain naphthoquinone (phenomenon first observed in the compound lapachol) ... On the Oxidation of 2-Hydroxy-1,4-naphthoquinone Derivatives with Alkaline Potassium Permanganate Samuel C. Hooker J. Am. Chem ... doi:10.1021/ja01298a030 On the Oxidation of 2-Hydroxy-1,4-naphthoquinone Derivatives with Alkaline Potassium Permanganate. Part ...
The addition of vitamin K, containing a functional naphthoquinone ring, restores the oxidation activity of malate oxidase. The ...
... biodegrades via formation of 1-naphthol-3,4-oxide, which converts to 1,4-naphthoquinone. The 4-position of 1- ...
4-naphthoquinone) (PMANQ) film". Synthetic Metals. 140 (2-3): 183-197. doi:10.1016/S0379-6779(03)00373-4. (CS1 maint: location ...
Apropos of the study of the hemostatic activity in prostatectomy of a new molecule: beta-naphthoquinone monosemicarbazone ( ...
4-naphthoquinone + 1,4-dithiothreitol Thus, the two substrates of this enzyme are 2-methyl-3-phytyl-1,4-naphthoquinone and ... The systematic name of this enzyme class is 2-methyl-3-phytyl-1,4-naphthoquinone:oxidized-dithiothreitol oxidoreductase. This ... 4-naphthoquinone + oxidized dithiothreitol ⇌ {\displaystyle \rightleftharpoons } 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1, ... oxidized dithiothreitol, whereas its two products are 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone and 1,4- ...
It is a polycyclic aromatic ketone, based on 2-methyl-1,4-naphthoquinone, with a 3-phytyl substituent. It is found naturally in ... "A dedicated thioesterase of the Hotdog-fold family is required for the biosynthesis of the naphthoquinone ring of vitamin K1". ... 4-Naphthoquinones, Vitamers, Vitamin K, World Health Organization essential medicines, Wikipedia medicine articles ready to ...
... or sodium 1,2-naphthoquinone-4-sulfonate is a chemical reagent used as a derivatizing agent to measure levels ... 2-naphthoquinone-4-sulfonate". Journal of Chromatography A. 676 (2): 311-9. doi:10.1016/0021-9673(94)80431-1. PMID 7921184. ...
... and naphthoquinone. X-ray crystallographic studies of glyphosate and EPSPS show that glyphosate functions by occupying the ...
Naphthoquinones, a class of secondary metabolite, are commonly produced, and these either kill or inhibit the growth and ...
"A dedicated thioesterase of the Hotdog-fold family is required for the biosynthesis of the naphthoquinone ring of vitamin K1". ...
Ursolic acid and the naphthoquinone derivative 4,9-dihydroxy-α-lapachone. This species is a member of the diploid North ...
While the full synthesis of opioids from naphthoquinone (Gates synthesis) or other simple organic starting materials is ...
... although he hypothesised that it was naphthoquinone). Anthony and Zatman also found the unknown redox cofactor in alcohol ...
ball-and-stick model resonance hybrid canonical forms Guanidine can be selectively detected using sodium 1,2-naphthoquinone-4- ...
"Researchers from Sunrise University Report on Findings in Quinones (Sequential Synthesis of Amino-1,4-Naphthoquinone-Appended ...
4-naphthoquinone (spinochrome B) Chika KURODA and Masae OKAJIMA (1967), Studies on the Derivatives of Naphthoquinones, XVIII. ... 2,3,5,6,8-Pentahydroxy-1,4-naphthalenedione, also called 2,3,5,6,8-pentahydroxy-1,4-naphthoquinone or spinochrome D, is an ... organic compound with formula C 10H 6O 5, formally derived from 1,4-naphthoquinone through the replacement of five hydrogen ...
4-Naphthoquinones, Diterpenes, Vitamin K). ...
... , often called 5,8-dihydroxy-1,4-naphthoquinone or 5,8-dihydroxy-1,4-naphthalenedione (IUPAC), is a naturally ... occurring organic compound with formula C 10H 6O 4, formally derived from 1,4-naphthoquinone through replacement of two ...
... which primarily consist of a variety of naphthoquinones and ketones, are thought to be more potent than in Eupnoi and Dyspnoi. ...
2-naphthoquinones. Alternatively, the product of an acid-catalyzed condensation of 4-nitroso-N,N-dialkylaniline with 2-naphthol ...
... but not the naphthoquinones present in the extracts. The flavonoids are thought to affect the M3 muscarinic receptors in smooth ...
4-Naphthoquinones, Hydroxynaphthoquinones, Plant toxins). ...
4-Naphthoquinones, Chloroarenes). ...
In Cyphophthalmi the scent glands release naphthoquinones, chloro-naphthoquinones and aliphatic methyl ketones, Insidiatores ... and Palpatores use substances like naphthoquinones, methyl- and ethyl-ketones, and naphthoquinones. These secretions have ...
4-naphthoquinones" From 1942 to 1945, Cram worked in chemical research at Merck & Co laboratories, doing penicillin research ...
... naphthoquinones MeSH D04.615.638.721.374 - vitamin k MeSH D04.615.638.721.374.689 - vitamin k 1 MeSH D04.615.638.721.374.844 - ...
The colored precipitant is (4-oxy-2-methylnaphtylimine)-2-methyl-1,4-naphthoquinone, which is a condensation reaction product ...