22373-75-7

Basic information

• Product Name: (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE
• Synonyms: (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE;S-allethrolone;(4S)-4-Hydroxy-3-methyl-2-(2-propenyl)-2-cyclopenten-1-one;(5S)-1-Methyl-2-allyl-5α-hydroxycyclopentene-3-one;(S)-4-Hydroxy-3-methyl-2-(2-propenyl)-2-cyclopentene-1-one
• CAS NO: 22373-75-7
• Molecular Formula: C₉H₁₂O₂
• Molecular Weight: 152.19
• Mol File: 22373-75-7.mol
• Article Data: 14

Chemical Properties

• Appearance: /
• CAS DataBase Reference: (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE(CAS DataBase Reference)
• NIST Chemistry Reference: (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE(22373-75-7)
• EPA Substance Registry System: (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE(22373-75-7)

Safety Data

• Hazardous Substances Data: 22373-75-7(Hazardous Substances Data)

Usage

General Description

(4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE is a chemical compound with a molecular formula C10H14O. It is a chiral compound with a specific stereochemistry and a hydroxy group attached to the fourth carbon in the cyclopentene ring. The presence of a methyl group and a 2-propenyl group further adds to its structural and chemical properties. (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE is used in organic synthesis and serves as an important intermediate in the production of various pharmaceuticals, natural products, and other organic compounds. Its unique structure and reactivity make it a valuable building block in chemical synthesis and research.

Upstream product

• 61906-51-2 2-but-3-enyl-2,5-dimethoxy-5-methyl-2,5-dihydro-furan 
• 3972-20-1 allethrin I 
• 77806-60-1 l-2-allyl-3-hydroxy-3-methyl-4-cyclopentenone 
• 5312-85-6 2-(but-3-en-1-yl)-5-methylfuran 
• 90428-62-9 3-acetoxy-2-allyl-3-methyl-4-cyclopentenone 
• 53121-21-4 3-(2-methanesulfinyl-1-methyl-2-methylsulfanyl-ethyl)-3-methylsulfanyl-hex-5-en-2-one 
• 61229-33-2 C₁₉H₃₀O₄ 
• 75565-74-1 3-allyl-4-methyl-4,5-epoxypentan-2-one 
• 75565-77-4 2,4-dimethyl-3-allylfuran 
• 75565-72-9 3-isopropenyl-hex-5-en-2-one 
• 1119-51-3 bromopentene 
• 23542-51-0 5-nitropent-1-ene 
• 77119-59-6 3-allyl-4-methyl-5-nitro-3-phenylthio-2-pentanone 
• 65755-66-0 3-phenylthiohex-5-ene-2-one 

Downstream Products

• 54225-41-1 phthalic acid mono-(3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester) 
• 584-79-2 (1RS)-trans-chrysanthemumic acid-((RS)-3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester) 
• 584-79-2 allethrin 
• 584-79-2 (+/-)(1Ξ)-cis-chrysanthemumic acid-((Ξ)-3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester) 
• 102553-39-9 β,β-Dimethyl-tropasaeure-allethrolonylester 
• 260359-57-7 bioallethrin 
• 3972-20-1 allethrin I 
• 93107-48-3 2-methyl-3-allyl-4-oxocyclopent-2-enyl endo-tricyclo<5.2.1.0^2,6>decane-exo-2-carboxylate 
• 93107-48-3 2-methyl-3-allyl-4-oxocyclopent-2-enyl exo-tricyclo<5.2.1.0^2,6>decane-endo-2-carboxylate 
• 5469-04-5 3-Methyl-but-2-enoic acid 3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester 
• 51629-24-4 2-(3-Methoxy-phenyl)-butyric acid 3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester 
• 51628-64-9 2-(4-Acetyl-phenyl)-pent-4-enoic acid 3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester 
• 51631-00-6 3-Methyl-2-(2-methyl-cyclohex-1-enyl)-butyric acid 3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester 
• 51630-84-3 2-Cyclohex-1-enyl-3-methyl-butyric acid 3-allyl-2-methyl-4-oxo-cyclopent-2-enyl ester 

Relevant articles and documents

A convenient synthesis of 4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-enone, an alcohol moiety of a synthetic pyrethroid having strong killing and knockdown activity

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One-pot transformation of simple furans into 4-Hydroxy-2-cyclopentenones in water

A highly efficient one-pot transformation of readily accessible furans into 4-hydroxy-2-cyclopentenones in H2O, using singlet oxygen as oxidant, has been developed.

Process for preparing 4-hydroxy-2-cyclopentenones

A process for producing a compound of the formula: STR1 wherein R1 is a hydrogen atom, an alkyl group or an alkenyl group and R2 is an alkyl group, an alkenyl group or an alkynyl group, which comprises treating a compound of the formula: STR2 wherein R1 and R2 are each as defined above and R is a hydrogen atom or a lower alkyl group in the presence of an acidic substance and water.

Process for preparing cyclopentenolones

A process for preparing cyclopentenolones of the formula STR1 wherein R1 is an alkyl group having not more than 6 carbon atoms, an alkenyl or alkynyl group having not more than 6 carbon atoms or a group of the formula: STR2 in which R2 is a hydrogen atom, a methyl group or a halogen atom directly from the corresponding furan-carbinols of the formula: STR3 wherein R1 is as defined above in a single step with an excellent yield, characterized in that the furan-carbinols are treated with water in the presence or absence of a catalyst.