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1-(4-hydroxy-3,5-diiodophenyl)ethanone, also known as 4-hydroxy-3,5-diiodoacetophenone, is an organic compound with the molecular formula C8H6IO3. It is a derivative of acetophenone, featuring a hydroxyl group at the para position and two iodine atoms at the meta positions on the phenyl ring. This chemical is characterized by its yellow crystalline appearance and has applications in the synthesis of pharmaceuticals and other organic compounds. Due to the presence of iodine atoms, it may exhibit unique chemical properties and reactivity compared to its non-halogenated counterparts.

7191-55-1

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7191-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7191-55-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,9 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7191-55:
(6*7)+(5*1)+(4*9)+(3*1)+(2*5)+(1*5)=101
101 % 10 = 1
So 7191-55-1 is a valid CAS Registry Number.

7191-55-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-(4-hydroxy-3,5-diiodophenyl)ethanone

1.2 Other means of identification

Product number -
Other names 1-(4-hydroxy-3,5-diiodo-phenyl)-ethanone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7191-55-1 SDS

7191-55-1Relevant academic research and scientific papers

Efficient and sustainable laccase-catalyzed iodination of: P -substituted phenols using KI as iodine source and aerial O2 as oxidant

Sdahl, Mark,Conrad, Jürgen,Braunberger, Christina,Beifuss, Uwe

, p. 19549 - 19559 (2019/07/05)

The laccase-catalyzed iodination of p-hydroxyarylcarbonyl- and p-hydroxyarylcarboxylic acid derivatives using KI as iodine source and aerial oxygen as the oxidant delivers the corresponding iodophenols in a highly efficient and sustainable manner with yields up to 93% on a preparative scale under mild reaction conditions.

Fluorescence analysis of iodinated acetophenone derivatives

Crivelaro,Oliveira,Lima,Andrade,Casagrande,Raminelli,Caires

, p. 63 - 67 (2015/07/27)

In the present paper the synthesis and optical characterization of iodinated acetophenone, 4-hydroxy-3-iodoacetophenone and 4-hydroxy-3,5-diiodoacetophenone obtained from 4-hydroxyacetophenone, were carried out. The optical features of iodinated molecules

Ultrasound-promoted rapid and efficient iodination of aromatic and heteroaromatic compounds in the presence of iodine and hydrogen peroxide in water

Ferreira, Irlon M.,Casagrande, Gleison A.,Pizzuti, Lucas,Raminelli, Cristiano

supporting information, p. 2094 - 2102 (2014/07/07)

A rapid and efficient ultrasound-promoted protocol for iodination of aromatic and heteroaromatic compounds, using molecular iodine in the presence of aqueous hydrogen peroxide in water without any cosolvent, has produced versatile iodinated organic molecules with potential application in organic synthesis and medicine in short reaction times and good to excellent yields. Copyright

Potassium 4-iodylbenzenesulfonate: Preparation, structure, and application as a reagent for oxidative iodination of arenes

Yusubov, Mekhman S.,Yusubova, Roza Y.,Nemykin, Victor N.,Maskaev, Andrey V.,Geraskina, Margarita R.,Kirschning, Andreas,Zhdankin, Viktor V.

, p. 5935 - 5942,8 (2020/09/02)

A new hypervalent iodine(V) compound, potassium 4-iodylbenzenesulfonate, was prepared by the oxidation of 4-iodobenzensulfonic acid with Oxone in water. This potassium salt can be further converted into 4-iodylbenzenesulfonic acid by treatment with the acidic form of Amberlyst 15 in water. A single-crystal X-ray structure of potassium 4-iodylbenzenesulfonate revealed the presence of polymeric chains in the solid state due to a combination of numerous intra- and intermolecular interactions. Potassium 4-iodylbenzenesulfonate will likely find many practical applications as a thermally stable and water-soluble hypervalent iodine-based oxidant, particularly useful as a reagent for oxidative iodination of aromatic substrates. This reagent can be effectively recovered from the reaction mixture (92 % recovery) by treatment of the aqueous layer with Oxone at 60°C for 2 h, followed by filtration of the precipitate. A new hypervalent iodine(V) compound, potassium 4-iodylbenzenesulfonate, was prepared by oxidation of 4-iodobenzenesulfonic acid with Oxone in water. This new reagent promises many practical applications as a thermally stable, water-soluble and recyclable hypervalent iodine oxidant, particularly useful for oxidative iodination of aromatic substrates.

Efficient and selective iodination of phenols promoted by iodine and hydrogen peroxide in water

Gallo, Rafael D.C.,Gebara, Karimi S.,Muzzi, Rozanna M.,Raminelli, Cristiano

experimental part, p. 770 - 774 (2010/08/13)

A simple and selective reaction for the preparation of iodinated phenols was developed and phenol derivatives containing electron withdrawing groups were iodinated in very good yields under relatively mild conditions.

A simple and efficient method for solvent-free iodination of hydroxylated aromatic aldehydes and ketones using iodine and iodic acid by grinding method

Vibhute, Archana,Mokle, Shyam,Karamunge, Khushal,Gurav, Vasant,Vibhute, Yeshwant

experimental part, p. 914 - 918 (2011/11/12)

Green, mild and efficient iodination of hydroxylated aromatic aldehydes and ketones using iodine and iodic acid in the solid-state by grinding under solvent-free conditions at room temperature. This method provides several advantages such as environmentally friendly, short reaction times, high yields, non-hazardous and simple work-up procedure.

IBX-I2 redox couple for facile generation of IOH and I +: Expedient protocol for iodohydroxylation of olefins and iodination of aromatics

Moorthy, Jarugu Narasimha,Senapati, Kalyan,Kumar, Sarvesh

supporting information; experimental part, p. 6287 - 6290 (2009/12/08)

(Chemical Equation Presented) IBX is readily reduced to IBAin the presence of molecular iodine in DMSO to generate hypoiodous acid (IOH), which reacts with a variety of olefins as well as R, β-unsaturated ketones leading to their respective iodohydrins with anti stereochemistry. The same redox chemistry in acetonitrile containing TFA produces iodonium ions for facile iodination of a variety of aromatic compounds in respectable isolated yields.

Pyridinium lodochloride: An efficient reagent for lodination of hydroxylated aromatic ketones and aldehydes

Khansole, Sandeep V.,Mokle, Shyam S.,Sayyed, Mudassar A.,Vibhute, Yeshwant B.

experimental part, p. 871 - 874 (2009/12/01)

Direct iodination of several reactive aromatic compounds like hydroxy substituted acetophenones and aldehydes with pyridinium iodochloride (PyICl) proceeded smoothly to afford the corresponding aromatic iodides in good to excellent yield. Pyridinium iodochloride has been found to be an efficient solid iodinating reagent with no hazardous effect and it can be handled safely.

Synthesis of new hydroxyacetophenones by using iodine and iodic acid

Dawane,Vibhute

, p. 299 - 299 (2007/10/03)

Iodine and iodic acid mixture has been used as a reagent for iodination of hydroxyacetophenones, and some new hydroxyiodoacetophenones are prepared.

A short synthetic route to benzofurans. syntheses of naturally occurring euparin and related compounds

Sogawa, Akihiro,Tsukayama, Masao,Nozaki, Hiroshi,Nakayama, Mitsuru

, p. 101 - 111 (2007/10/02)

Euparin (4a) and related benzofurans (4b-e, g) were synthesized by conversion of the corresponding o-(3-hydroxy-3-methylbutynyl)phenyl tosylates (2) in the presence of base into the 2-(1-hydroxy-1-methylethyl)benzofurans (3), followed by dehydration in hi

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