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4,5-dichlorocyclopent-4-ene-1,3-dione is a chemical compound with the molecular formula C5H4Cl2O2. It is a halogenated cyclopentane derivative, featuring a cyclopentane ring with a double bond between the 4th and 5th carbon atoms, and two chlorine atoms attached to the 4th and 5th carbon atoms, respectively. The compound also contains two carbonyl groups (C=O) at the 1st and 3rd positions, which are part of the cyclopentane ring. This molecule is known for its reactivity and can be used as an intermediate in the synthesis of various organic compounds. Due to its structural features, it may exhibit electrophilic properties, making it a potential candidate for reactions involving nucleophiles. The compound's properties, such as its reactivity, stability, and potential applications, are influenced by the presence of the chlorine atoms and the carbonyl groups, which can participate in various chemical transformations.

3229-28-5

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3229-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3229-28-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,2 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3229-28:
(6*3)+(5*2)+(4*2)+(3*9)+(2*2)+(1*8)=75
75 % 10 = 5
So 3229-28-5 is a valid CAS Registry Number.

3229-28-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,5-dichlorocyclopent-4-ene-1,3-dione

1.2 Other means of identification

Product number -
Other names 2,3-dichloro-2-cyclopentene-1,4-dione

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:3229-28-5 SDS

3229-28-5Relevant academic research and scientific papers

NOVEL BISPHOSPHANE CATALYSTS

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Page/Page column 19, (2008/06/13)

In the present Application protection is sought for compounds of the general formula (I) as ligands for reactions catalysed by transition metals. The preparation thereof and use thereof, in particular for the preparation of β-amino acids, is also discusse

NEW REACTIONS OF 4,5-DICHLORO-2-DICHLOROMETHYLENE-4-CYCLOPENTENE-1,3-DIONE

Gunbin, V. N.,Talzi, V. P.,Gudoshnikov, S. K.,Barysheva, N. A.,Maslennikov, E. I.

, p. 465 - 468 (2007/10/02)

The reaction of 4,5-dichloro-2-dichloromethylene-4-cyclopentene-1,3-dione with DMFA gives a high yield of 2,3-dichloro-5-(dimethyliminiomethyl)-2-cyclopentene-1,4-dione. 2,3-Dichloro-5,5-bismethylthio-2-cyclopentene-1,4-dione was isolated as a result of the analogous reaction with DMSO.A reaction mechanism involving diketocarbene is proposed.

REACTION OF 4,5-DICHLORO-2-DICHLOROMETHYLENE-4-CYCLOPENTENE-1,3-DIONE WITH PHENOLS

Simonov, V. D.,Konovalova, G. M.

, p. 1667 - 1670 (2007/10/02)

Depending on the conditions, the reaction of 4,5-dichlor-2-dichloromethylene-4-cyclopentene-1,3-dione with phenols in the presence of diethylamine leads to the substitution of one or two chlorine atoms in the exocyclic dichloromethylene group of the diket

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