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2525-42-0

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2525-42-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2525-42-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,2 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2525-42:
(6*2)+(5*5)+(4*2)+(3*5)+(2*4)+(1*2)=70
70 % 10 = 0
So 2525-42-0 is a valid CAS Registry Number.

2525-42-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name propa-1,2-dienylsulfonylbenzene

1.2 Other means of identification

Product number -
Other names phenyl propa-1,2-dienyl sulfone

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:2525-42-0 SDS

2525-42-0Relevant articles and documents

The Diels-Alder Reaction of Furan and Phenylsulphonylpropadiene. The Simple Base Induced Rearrangement of 3-Methylene-2-endo-phenylsulphonyl-7-oxabicyclohept-5-ene

Guildford, Allen J.,Turner, Ralph W.

, p. 466 - 467 (1983)

The Diels-Alder reaction of furan and phenylsulphonylpropadiene gives predominantly the 7-oxabicycloheptene (1), whose hydrogenation products (3) and (4) provide a simple entry to the synthesis of substituted cyclohexenols.

Generation of 1,2-oxathiolium ions from (arysulfonyl)- and (arylsulfinyl)allenes in Br?nsted acids. NMR and DFT study of these cations and their reactions

Lozovskiy, Stanislav V.,Ivanov, Alexander Yu.,Khoroshilova, Olesya V.,Vasilyev, Aleksander V.

, p. 2897 - 2906 (2018/12/13)

In strong Br?nsted acids (CF3SO3H, FSO3H, D2SO4), (arysulfonyl)allenes (ArSO2-CR1=C=CR2R3) and (arylsulfinyl)allenes (ArSO-CR1=C=CR2R3) undergo cyclization into the corresponding stable 1,2-oxathiolium ions, which were studied by means of NMR and DFT calculations. Quenching of solutions of these cations with low nucleophilic media, aqueous HCl, leads to their deprotonation with a stereoselective formation of (arysulfonyl)butadienes (for instance, ArSO2-CR1=C-C(Me)=CH2, for R2 = R3 = Me, yields of 87-98%). Reactions of (arysulfonyl)allenes in the system TfOH (0.1 equiv)-HFIP (hexafluoropropan-2-ol) followed by hydrolysis give rise to allyl alcohols (ArSO2-CR1=CH-C(OH)R2R3, yields of 78-99%). Reflux of solutions of (arysulfonyl)allenes in the presence of TfOH (1 equiv) in 1,2-dichlorobenzene leads to the cyclization into thiochromene 1,1-diox-ides in high yields. Under the action of TfOH or AlX3 (X = Cl, Br) followed by hydrolysis of reaction mixtures, (arylsulfinyl)allenes give allyl alcohols (ArSO2-CR1=CH-C(OH)R2R3). Plausible reaction mechanisms have been proposed for all studied reactions.

Sulfinate-Organocatalyzed (3+2) Annulation of Allenyl Sulfones with 1,1-Dicyano Olefins in the Presence of a Quaternary Ammonium Phase Transfer Agent

Martzel, Thomas,Lohier, Jean-Fran?ois,Gaumont, Annie-Claude,Brière, Jean-Fran?ois,Perrio, Stéphane

supporting information, p. 2696 - 2706 (2018/07/29)

The benzenesulfinate-catalyzed (3+2) annulation between allenyl sulfones and aryl(alkyl)idenemalononitriles has been developed under mild phase transfer conditions, affording a breadth of functionalized sulfonyl cyclopentenes in good to excellent yields (

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