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5-Bromo-1-naphthol is an organic compound with the chemical formula C10H7BrO, and is a derivative of naphthol. It is a white to off-white crystalline solid that is commonly used as a reagent in organic synthesis.
Used in Organic Synthesis:
5-Bromo-1-naphthol is used as a reagent for the synthesis of various organic compounds due to its ability to react with diazonium salts to form azo dyes.
Used in Pharmaceutical Industry:
5-Bromo-1-naphthol is used as an intermediate in the production of pharmaceuticals, contributing to the development of new drugs and medicines.
Used in Pesticide Industry:
5-Bromo-1-naphthol is used as a component in the manufacturing of pesticides, helping to create effective solutions for pest control.
Used in Optical Brighteners Industry:
5-Bromo-1-naphthol is used as a key ingredient in the production of optical brighteners, enhancing the appearance of various materials by reflecting light more effectively.
Safety Precautions:
5-Bromo-1-naphthol is considered to be a hazardous substance, and proper safety precautions should be taken when handling it, as it can cause irritation to the skin, eyes, and respiratory system.

52927-23-8

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52927-23-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52927-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,2 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52927-23:
(7*5)+(6*2)+(5*9)+(4*2)+(3*7)+(2*2)+(1*3)=128
128 % 10 = 8
So 52927-23-8 is a valid CAS Registry Number.

52927-23-8Relevant articles and documents

A Visible Light and Iron-mediated Carbocationic Route to Polysubstituted 1-Halonaphthalenes by Benzannulation using Allylbenzenes and Polyhalomethanes

Roslan, Irwan Iskandar,Zhang, Hongwei,Ng, Kian-Hong,Jaenicke, Stephan,Chuah, Gaik-Khuan

, p. 1007 - 1013 (2020/12/30)

A wide array of polysubstituted 1-bromo and chloronaphthalenes are obtained from coupling of allylbenzenes and polyhalomethanes. The reaction is mediated by iron metal under visible light irradiation and proceeds via a Kharasch addition intermediate followed by intramolecular FeIII mediated Friedel-Crafts alkylation, with the formation of two Csp2?Csp2 bonds in the process. This method gives easy access to 1-halonaphthalenes with substituent(s) at C-5 to C-8 that are otherwise hard to synthesize. (Figure presented.).

9-AZABICYCLO [3 . 3 . 1] NONANE DERIVATIVES AS MONOAMINE REUPTAKE INHIBITORS

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Page/Page column 43-44, (2010/11/26)

The present invention relates to a 9-azabicyclo[3.3.1]nonane derivative of formula (I), wherein R1 is H or C1-5alkyl; X is O or NR2, wherein R2 is H, C1-5alkyl or C2-5acyl and Ar is C6-10aryl or a 5-10 membered heteroaryl ring system, both being optionally substituted with one to three of R3-R5 independently selected from halogen, C1-5alkyl, C1-5alkoxy, C3-6cycloalkyl, C2-5alkenyl, C2-5alkynyl, CN, NO2, hydroxy, phenyl, phenoxy and phenylC1-2alkoxy, wherein said C1-5alkyl and C1-5alkoxy are optionally substituted with one to three halogens and wherein said phenyl, phenoxy and phenylC1-2alkoxy are optionally substituted with one to three substituents independently selected from halogen and methyl or two of R3-R5 at adjacent positions together form a methylenedioxy or propylene unit, with the proviso that the compounds exo-9-methyl-3-phenoxy-9-azabicyclo[3.3.1]nonane and N-(9-methyl-9-azabicyclo[3.3.1]non-3-yl)-1H indazole-5-amine are excluded, or a pharmaceutically acceptable salt or solvate thereof. The invention also relates to pharmaceutical compositions comprising said 9-azabicyclo[3.3.1]nonane derivatives and to their use in therapy.

Indole derivatives for the treatment of depression and anxiety

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Page/Page column 14, (2010/02/05)

The present invention provides compounds of formula (I): which are useful for treating depression, anxiety, and alleviating the symptoms caused by withdrawal or partial withdrawal from the use of tobacco or of nicotine.

Piperidines derivatives and their use as serotonin receptor antagonists

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, (2010/02/05)

The present invention provides compounds of formula (I): which are useful for treating depression, anxiety, and alleviating the symptoms caused by withdrawal or partial withdrawal from the use of tobacco or of nicotine.

Benzofuran derivatives

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Page 13, (2010/02/06)

The present invention provides compounds of formula (I) which are useful for treating depression, anxiety, and alleviating the symptoms caused by withdrawal or partial withdrawal from the use of tobacco or of nicotine.

New chiral synthons from the microbial oxidation of bromonaphthalenes

Hudlicky, Tomas,Endoma, Mary Ann A.,Butora, Gabor

, p. 61 - 68 (2007/10/03)

1-Bromo- and 2-bromonaphthalene were subjected to bio-oxidation with whole cells of Pseudomonas putida NCIB 9816-11. The major metabolites were isolated and spectroscopically characterized as (+)-cis-(1R,2S)-Dihydroxy-1,2-dihydro-8-bromonaphthalene 1, (+)-cis-(1R,2S)-Dihydroxy-1,2-dihydro-5-bromonaphthalene 2 from 1-bromonaphthalene and (+)-cis-(1R,2S)-Dihydroxy-1,2-dihydro-7-bromonaphthalene 8 from 2-bromonaphthalene. The absolute stereochemistry and enantiomeric excess were determined by conversion of each metabolite to the known (-)-cis-tetrahydronaphthalene diol 6.

The Baeyer-Villiger Oxidation of Aromatic Aldehydes and Ketones with Hydrogen Peroxide Catalyzed by Selenium Compounds

Syper, Ludwik

, p. 167 - 172 (2007/10/02)

A series of organoselenium compounds was investigated as activators of hydrogen peroxide in the Baeyer-Villiger oxidation.As a result, a convenient and cheap method for transformation of aromatic aldehydes, having polycondensed ring systems or electron-donating substituents, and polymethoxy derivatives of acetophenone, into phenols was elaborated.This method utilizes hydrogen peroxide activated by areneseleninic acids, as oxidizing agent.

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