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Phenoxymethyl chloromethyl ketone, with the chemical formula C10H14ClNO2, is a chemical compound that has gained notoriety for its potential use as a chemical warfare agent and as a riot control agent. Classified as a Schedule 3 substance under the Chemical Weapons Convention, Phenoxymethyl chloromethyl ketone is recognized for its potent irritant properties and its ability to act as an irreversible inhibitor of the enzyme alpha-chymotrypsin. Despite its controversial nature due to potential harm in warfare and riot control scenarios, it has also been considered for pharmaceutical research applications.

940-47-6

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940-47-6 Usage

Uses

Used in Riot Control:
Phenoxymethyl chloromethyl ketone is used as a potential irritant in riot control agents, leveraging its ability to cause discomfort and irritation, thereby helping to disperse and control crowds during civil unrest or protests.
Used in Chemical Warfare:
Although its use is highly controversial and regulated under international law, phenoxymethyl chloromethyl ketone has been studied for its potential as a chemical warfare agent due to its capacity to incapacitate individuals through severe irritation and incapacitation.
Used in Pharmaceutical Research:
In the scientific community, phenoxymethyl chloromethyl ketone has been explored for its potential use in pharmaceutical research, particularly as an irreversible inhibitor of the enzyme alpha-chymotrypsin. This property could be harnessed for developing new therapeutic approaches, although the compound's controversial nature and potential for misuse present significant challenges.

Check Digit Verification of cas no

The CAS Registry Mumber 940-47-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,4 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 940-47:
(5*9)+(4*4)+(3*0)+(2*4)+(1*7)=76
76 % 10 = 6
So 940-47-6 is a valid CAS Registry Number.

940-47-6Relevant academic research and scientific papers

Biocatalytic cascade for the synthesis of enantiopure β-azidoalcohols and β-hydroxynitriles

Schrittwieser, Joerg H.,Lavandera, Ivan,Seisser, Birgit,Mautner, Barbara,Kroutil, Wolfgang

supporting information; experimental part, p. 2293 - 2298 (2009/08/17)

A three-step, two-enzyme, one-pot reaction sequence starting from prochiral a-chloroketones leading to enantiopure (3- azidoalcohols and (3-hydroxynitriles is described. Asymmetric bioreduction of a-chloroketones by hydrogen transfer catalysed by an alcohol dehydrogenase (ADH) established the stereogenic centre in the first step to furnish enantiopure chlorohydrin intermediates. Subsequent biocatalysed ring closure to the epoxide and nucleophilic ring opening with azide, N3-, or cyanide, CN-, both catalysed by a nonselective halohydrin dehalogenase (Hhe) proceeded with full retention of configuration to give enantiopure (-azidoalcohols and (3-hydroxynitriles, respectively. Both enantiomers of various optically pure (-azidoalcohols and (-hydroxynitriles were synthesised.

Asymmetric reduction of α-thiocyanatoketones by Saccharomyces cerevisiae and Mortierella isabellina-a new route to optically active thiiranes

Lukowska, Edyta,Plenkiewicz, Jan

, p. 1202 - 1209 (2008/02/05)

A simple method for the preparation of optically active 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-oles from racemic 1-chloro-3-aryloxy- and 1-chloro-3-arylsulphanyl-2-propanols via 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-ones has been developed. The enantiomerically enriched β-hydroxythiocyanates were obtained by a microbiological reduction of the thiocyanatoketones with Saccharomyces cerevisiae or Mortierella isabellina and subsequently converted into optically active thiiranes on treatment with a lithium hydroxide solution.

PROCESS FOR THE PREPARATION OF ALPHA-CHLOROKETONES FROM ALKYL ESTERS

-

Page/Page column 7, (2010/02/11)

The present invention relates to a process for the preparation of α-chloroketones from readily available alkyl esters by the reaction of a sulfoxonium ylide on said alkyl esters to generate a keto sulfoxonium ylide that is in turn treated with anhydrous HCl.

Non-racemic halohydrins via biocatalytic hydrogen-transfer reduction of halo-ketones and one-pot cascade reaction to enantiopure epoxides

Poessl, Tina M.,Kosjek, Birgit,Ellmer, Ursula,Gruber, Christian C.,Edegger, Klaus,Faber, Kurt,Hildebrandt, Petra,Bornscheuer, Uwe T.,Kroutil, Wolfgang

, p. 1827 - 1834 (2007/10/03)

Biocatalytic hydrogen-transfer reduction of α-chloro-ketones furnished non-racemic chlorohydrins by employing either Rhodococcus ruber as lyophilized cell catalyst or an alcohol dehydrogenase preparation from Pseudomonas fluorescens DSM 50106 (PF-ADH). Fo

One-Carbon Chain Extension of Esters to α-Chloroketones: A Safer Route without Diazomethane

Wang, Dengjin,Schwinden, Mark D.,Radesca, Lilian,Patel, Bharat,Kronenthal, David,Huang, Ming-Hsing,Nugent, William A.

, p. 1629 - 1633 (2007/10/03)

The reaction of a variety of methyl esters with dimethylsulfoxonium methylide at 0-25 °C affords the chain-extended β-keto dimethylsulfoxonium ylides. Subsequent treatment with hydrogen chloride in THF proceeds with loss of DMSO to afford the corresponding α-chloroketones. This sequence has been utilized to convert the methyl esters of CBZ-protected alanine and valine to the anti N-protected α-amino epoxides, which are important pharmaceutical intermediates. When the same protocol is applied to BOC-protected phenylalanine methyl ester, epimerization occurs so that the use of a more reactive aryl ester is required. This chemistry provides a practical route to α-chloroketones that avoids the use of toxic and explosive diazomethane.

CHLOROHYDROXYACETONE DERIVATIVE AND PROCESS FOR PRODUCING OPTICALLY ACTIVE CHLOROPROPANEDIOL DERIVATIVE FROM THE SAME

-

, (2008/06/13)

A process for efficiently preparing an optically active chloropropanediol derivative, especially (S)-1-benzyloxy-3-chloro-2-propanol, which has a high optical purity and is useful as an intermediate for medicines. The process comprises treating an inexpen

Preparation of halohydrin β-blocker precursors using yeast-catalysed reduction

Martinez, Fernando,Del Campo, Carmen,Sinisterra,Llama, Emilio F.

, p. 4651 - 4660 (2007/10/03)

The preparation of halohydrin β-blocker precursors using yeast-catalysed reduction of α-haloketones was performed. The influence in the yield and e.e. of several process variables was analysed. The (S)-enantioselectivity observed with Saccharomyces cerevisiae can be changed to (R)-enantioselectivity using methyl vinyl ketone as selective inhibitor (25 mM). Using resting fresh cells better yields and e.e.s are observed than using growing cells. Yarrowia lipolytica 1240 resting cells gave 87% yield of (S)-1-chloro-3(1-naphthyloxy)propan-2-ol (99% e.e.). Pichia mexicana 11105 resting cells gave 85% yield of (R)-1-chloro-3(1-naphthyloxy)propan-2-ol (precursor of propranolol) (95% e.e). The reduction process is applied to other α-haloketones, a lower e.e. being obtained the closer the size of the ketone substituents.

NUCLEOPHILIC SUBSTITUTION OF α-HALO-KETONES-XXII ACETOLYSIS OF α'-PHENOXY-α-CHLORO-KETONES. A COMPARISON OF THEIR REACTIVITY WITH THAT OF THE CORRESPONDING THIOETHERS

Pusino, A.,Rosnati, V.,Saba, A.

, p. 1893 - 1900 (2007/10/02)

The results obtained in the acetolysis of α-chloro-ketones 1 a-e are compared with those previously reported for the acetolysis of the corresponding α'-phenylthio-α-chloro-ketones 15a-e and discussed in terms of the enolization-solvolysis mechanisms.

Carbon and oxygen analogs of penicillin

-

, (2008/06/13)

In accordance with this invention, it has been found that carbon and oxygen analogs of 6β-aminopenicillanic acid and biologically active derivatives thereof can be formed from esters of 6-oxopenicillanic acid. For example, 6β-phenoxyacetoxypenicillanic ac

Cyclopentanone derivatives

-

, (2008/06/13)

Cyclopentane derivatives of the formula: STR1 wherein R1 represents hydrogen or a carboxylic acyl group, and either (I) R2 represents a group of the formula: (wherein R3 and R4 represent hydrogen or alkyl, and R5 represents hydrogen, or alkyl, alkoxy, cycloalkyl or adamantyl, or R5 represents alkyl substituted by alkoxy, or by cycloalkyl or by adamantyl, or the group --CR3 R4 R5 together forms a cycloalkyl or adamantyl group), X represents trans-vinylene or ethylene and Y represents carbonyl or a group of the formula: STR2 wherein R6 represents hydrogen or alkyl, and R7 represents hydrogen or a carboxylic acyl group, or else (ii) R2 represents a group of the formula: (wherein A represents alkylene, Z represents a direct bond or oxygen or sulphur, and R8 represents an aryl or heterocyclyl group which may be substituted by one or more of halogen, alkyl, alkoxy and trihalomethyl), X in formula I represents ethylene or trans-vinylene and Y in formula I represents carbonyl or a group of formula III, or else (iii) R2 represents a group R8 and X and Y in formula I represent simultaneously ethylene and carbonyl, trans-vinylene and carbonyl, or ethylene and --CH(OR7)-- groups respectively. The compounds are new and possess pharmacological properties similar to those of prostaglandins.

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